GR WORLDProducts Information
Below is a list of frequently asked questions and corresponding answers for the GR world.
Setup and Operation
Which cameras are supported by GR WORLD?
This app supports the following cameras:
• GR IV
• GR IV HDF
• GR IV Monochrome
• GR III
• GR III HDF
• GR IIIx
• GR IIIx HDF
• GR II- What languages does GR WORLD support?
GR WORLD supports the following seven languages:
• Japanese
• English
• French
• German
• Korean
• Chinese (Traditional)
• Chinese (Simplified)
GR WORLD follows your smartphone’s language settings.
If the selected language is not supported, English will be used.- How can the language be changed in GR WORLD?
GR WORLD follows your smartphone’s language settings.
If the selected language is not supported, English is used.
You can also change the language in GR WORLD using the steps below.
iPhone
If multiple languages are set on your smartphone, select GR WORLD from Settings → Apps to set the Preferred language.
Check the language you want to display.
Android
Go to Settings → Apps and select GR WORLD to set the language.
Check the language you want to display.
Note: The steps may vary slightly depending on your smartphone model and OS version.- The app is displayed in a different language than the smartphone. What should be done?
If multiple languages are set on your smartphone, the app may be displayed in an unintended language.
In that case, please set the language for GR WORLD using the method below.
iPhone
If multiple languages are set on your smartphone, select GR WORLD from Settings → Apps to set the Preferred language.
Check the language you want to display.
Android
Go to Settings → Apps and select GR WORLD to set the language.
Check the language you want to display.- Why is it necessary to select a country or region?
This is because available app features and services vary depending on the selected country or region.- What does the statement “Available app features and services vary depending on the selected country or region” mean?
In GR WORLD version 1.2.0, firmware updates, notifications, and the GR Gallery may not be available in some countries or regions.- Can the selected country or region be changed later?
The selected country or region cannot be changed later. To change the country or region, the app must be reinstalled.- If “Photos” is tapped during the initial setup before using the app and “Allow Full Access” or “Allow All” is selected in the dialog, will all photos on the smartphone be visible in GR WORLD?
GR WORLD does not access all images stored on your smartphone.
Selecting “Allow Full Access” or “Allow All” for “Photos” is required only to display and manage GR images imported from the camera using GR WORLD and Image Sync (images taken with GR IV / GR III / GR IIIx / GR II).
GR WORLD does not access any data or images stored in folders on your smartphone that were saved by other methods.- [GR IV] An error occurred after pairing was allowed during the app setup. What should be done?
Pairing must also be allowed on the camera.
Tap [Execute Pairing] or press the [OK] button on the camera. After allowing pairing on the camera, the camera will be registered shortly.- [GR IV] When connecting a camera in the app, it is unclear whether to select “First time” or “Previously connected.”
First time:
Select this option if the smartphone and camera have not been paired via Bluetooth before. Select this option when connecting a new camera to the smartphone for the first time.
Previously connected:
Select this option if your smartphone has been paired with the camera via Bluetooth before.
If you are not sure which option to select, please check the following two points:
1. Display the list of paired devices in the camera’s Bluetooth settings and check that your smartphone is shown.
2. Open the Bluetooth settings screen on your smartphone and check that the camera’s device name appears in the list of paired devices.
If both 1 and 2 are displayed, select “Previously connected.”
If neither is displayed, select “First time.”
If only one of them is displayed, remove the pairing for the displayed device, then select “First time” and try again.- [GR III / GR IIIx] When connecting a camera in the app, it is unclear whether to select “First time” or “Previously connected.”
First time:
Select this option if the smartphone and camera have not been paired via Bluetooth before. Select this option when connecting a new camera to the smartphone for the first time.
Previously connected:
Select this option if your smartphone has been paired with the camera via Bluetooth before.
Note: When “First time” is selected, pairing must be performed on the camera.
When “Previously connected” is selected, pairing is not required as long as Bluetooth is enabled on the camera.
If you are not sure which option to select, please check the following two points:
1. Display the list of paired devices in the camera’s Bluetooth settings and check that your smartphone is shown.
2. Open the Bluetooth settings screen on your smartphone and check that the camera’s device name appears in the list of paired devices.
If both 1 and 2 are displayed, select “Previously connected.”
If neither is displayed, select “First time.”
If only one of them is displayed, remove the pairing for the displayed device, then select “First time” and try again.- [GR III / GR IIIx] If Image Sync is being used, which option should be selected: “First time” or “Previously connected”?
If the camera has been used with Image Sync via a Bluetooth connection, select “Previously connected.”
If the camera has only been used via a Wi-Fi connection and Bluetooth has never been used, select “First time.”- [GR IV] The camera is not found even after pressing the “Search for cameras” button. What should be done?
Please check whether pairing is being executed on the camera.
Camera Setup Procedure:
1. Turn on the camera.
2. From the setup menu, select “Wireless Communication Settings” → “Operation Mode”, then choose “On.”
3. From the setup menu, select “Wireless Communication Settings” → “Pairing”, and execute pairing.
Please check that the required permissions for the app are enabled.
Note: The steps may vary slightly depending on your smartphone model and OS version.
For iOS
Open the Settings app, then go to Apps → GR WORLD, and set the following options:
Bluetooth: On
Location: While Using the App
For Android
Open the Settings app, then go to Apps → GR WORLD → Permissions, and set the following options:
Nearby devices: Allow
Location: Allow only while using the app
Please check that location services are enabled on your smartphone.
Note: The steps may vary slightly depending on your smartphone model and OS version.
For iOS
Open the Settings app, go to Privacy & Security, and make sure that Location Services is set to On.
For Android
Open the Settings app, go to Location, and make sure that Use location is set to On.- [GR III / GR IIIx] The camera is not found even after pressing the “Search for cameras” button. What should be done?
Please check that Bluetooth is enabled on the camera.
Camera setup procedure:
1. Turn on the camera.
2. In the setup menu, go to “Bluetooth Settings” → “Operating Mode” and select either “Connect even when the power is off” or “Connect only when the power is on”.
Please check that pairing is being executed on the camera.
Camera Setup Procedure:
1. Turn on the camera.
2. From the setup menu, select “Bluetooth Settings” → “Operation Mode”, then choose “Connect even when power is off” or “Connect only when power is on.”
3. From the setup menu, select “Bluetooth Settings” → “Pairing”, and execute pairing.
Please check that the required permissions for the app are enabled.
Note: The steps may vary slightly depending on your smartphone model and OS version.
For iOS
Open the Settings app, go to Apps → GR WORLD, and set the following:
Bluetooth: On
Location: While Using the App
For Android
Open the Settings app, go to Apps → GR WORLD → Permissions, and set the following:
Nearby devices: Allow
Location: Allow only while using the app
If the issue is not resolved after the above steps, please check that location services are enabled on your smartphone.
Note: The steps may vary slightly depending on your smartphone model and OS version.
For iOS
Open the Settings app, go to Privacy & Security, and make sure that Location Services is set to On.
For Android
Open the Settings app, go to Location, and make sure that Use location is set to On.
Note: Difference between “First time” and “Previously connected”
• “First time” requires pairing to be executed on the camera.
• “Previously connected” does not require pairing to be executed; it is sufficient if Bluetooth is enabled on the camera.- An authentication code is requested during pairing. What should be done?
Enter the authentication code displayed on the camera’s pairing screen into the app.- [GR IV] A confirmation is requested to verify that the authentication codes match during pairing. What should be done?
Confirm that the authentication code displayed on the camera’s pairing screen matches the code displayed on the smartphone. Then, follow the on-screen instructions on the smartphone to allow pairing, and press the “OK” button on the camera.- [GR IV] During pairing, a checkbox labeled “Allow access to contacts and call history” appears when confirming that the authentication codes match. Is it necessary to select it?
Selecting this checkbox is not required.- [GR IV] An authentication code does not appear during pairing, and an error occurs, so it is not possible to proceed. What should be done?
There may be previous pairing settings remaining on the smartphone and the camera. Perform 1 and 2 below to remove the pairing settings from both the smartphone and the camera, and then register the camera again.
1. In the camera’s wireless communication settings, display the list of paired devices. If this smartphone is listed, remove the pairing.
2. Open the Bluetooth settings screen on the smartphone. If the camera’s device name appears in the list of paired devices, remove the pairing.
Note: Depending on your smartphone model or OS version, the authentication code entry may not appear in the app. In some cases, a notification requesting the authentication code may be displayed in the smartphone’s notification area. If this happens, check the notification area.- [GR III / GR IIIx] An authentication code does not appear during pairing, and an error occurs, so it is not possible to proceed. What should be done?
There may be previous pairing settings remaining on the smartphone and the camera. Perform 1 and 2 below to remove the pairing settings from both the smartphone and the camera, and then register the camera again.
1. In the camera’s wireless communication settings, display the list of paired devices. If this smartphone is listed, remove the pairing.
2. Open the Bluetooth settings screen on the smartphone. If the camera’s device name appears in the list of paired devices, remove the pairing.
Note: Depending on your smartphone model or OS version, the authentication code entry may not appear in the app. In some cases, a notification requesting the authentication code may be displayed in the smartphone’s notification area. If this happens, check the notification area.- [GR III / GR IIIx] An error occurred after entering the authentication code displayed on the camera. What should be done?
Please check that the authentication code displayed on the camera matches the code entered in the app.
Also, check whether the camera’s firmware version is compatible with GR WORLD.
Please note that cameras with older firmware versions cannot be connected, which will result in an error.
• GR III / GR III HDF: Version 2.00 or later
• GR IIIx / GR IIIx HDF: Version 1.50 or later
The camera’s firmware version can be checked in the Setup menu under “Version Information”.- [GR IV] When should “Previously connected” be selected?
Select “Previously connected” if the camera was previously registered in GR WORLD but was removed, or if the app was uninstalled.
If not sure, please check the following two items.
1. Display the list of paired devices in the camera’s wireless communication settings and confirm that your smartphone is listed.
2. Open the Bluetooth settings screen on the smartphone and confirm that the camera’s device name is listed in the paired devices list.
If both are listed, select “Previously connected.”- [GR III / GR IIIx] When should “Previously connected” be selected?
If the smartphone and camera have been paired before, the previous pairing settings remain on both devices, allowing them to reconnect automatically using those settings.
• Select “Previously connected” if the camera has been used with Image Sync via a Bluetooth connection.
• Select “Previously connected” if the camera was previously registered in GR WORLD but removed, or if the app was uninstalled.
• If not sure, please check the following two items.
1. Display the list of paired devices in the camera’s Bluetooth settings and confirm that your smartphone is listed.
2. Open the Bluetooth settings screen on the smartphone and confirm that the camera’s device name is listed in the paired devices list.
If both are displayed, select “Previously connected”.- [GR IV] An authentication code does not appear during pairing, and an error occurs. What should be done?
One of the following conditions may apply:
• The camera is in pairing mode.
When “Previously connected” is selected, the camera does not need to be in pairing mode. Pairing can be performed as long as Bluetooth is enabled on the camera.
• No pairing settings remain on either the camera or the smartphone.
Select “First time” and try again.
• Pairing settings remain on either the camera or the smartphone.
Please perform steps 1 and 2 below to remove the pairing settings from both devices, then select “First time” and try again.
1. In the camera’s wireless communication settings, display the list of paired devices. If this smartphone is listed, remove the pairing.
2. Open the Bluetooth settings screen on the smartphone. If the camera’s device name appears in the paired devices list, remove the pairing.- [GR III / GR IIIx] An authentication code does not appear during pairing, and an error occurs. What should be done?
One of the following conditions may apply:
• The camera is in pairing mode.
When “Previously connected” is selected, the camera does not need to be in pairing mode. Pairing can be performed as long as Bluetooth is enabled on the camera.
• No pairing settings remain on either the camera or the smartphone.
Select “First time” and try again.
• Pairing settings remain on either the camera or the smartphone.
Please perform steps 1 and 2 below to remove the pairing settings from both devices, then select “First time” and try again.
1. In the camera’s Bluetooth settings, display the list of paired devices. If this smartphone is listed, remove the pairing.
2. Open the Bluetooth settings screen on the smartphone. If the camera’s device name appears in the paired devices list, remove the pairing.- [GR IV] The confirmation to verify that the authentication codes match did not appear during pairing, but the camera was registered successfully. Is the pairing completed correctly?
If the smartphone and camera have been paired before, the previous pairing settings remain on both devices and are used to reconnect. In this case, confirmation of matching authentication codes is not required.- [GR III / GR IIIx] The confirmation to verify that the authentication codes match did not appear during pairing, but the camera was registered successfully. Is the pairing completed correctly?
If the smartphone and camera have been paired before, the previous pairing settings remain on both devices and are used to reconnect. In this case, confirmation of matching authentication codes is not required.- [GR III / GR IIIx] On an Android device, a checkbox labeled “Allow access to contacts and call history” appeared when entering the authentication code during pairing. Is it necessary to select this checkbox?
No, selecting “Allow access to contacts and call history” is not required.- [GR II] The camera’s SSID does not appear. What should be done?
Connect to the camera’s Wi-Fi network from the smartphone’s Wi-Fi settings.
After the connection is complete, return to the app and continue the operation.
Note: The steps may vary slightly depending on your smartphone model and OS version.
For iOS:
Open the Settings app, go to Wi-Fi, select the camera’s SSID, and enter the password to connect.
After the connection is complete, return to the app and continue the operation.
For Android:
Open the Settings app, go to Network & Internet → Internet, select the camera’s SSID, and enter the password to connect to Wi-Fi.
Once the connection is complete, return to the app and continue.
Note: On Android devices, tapping “Go to Wi-Fi settings” in the app opens the smartphone’s Wi-Fi settings screen.- [GR II] Where can the camera’s SSID and password be found?
You can check the SSID and password in the camera’s Setup menu under “Wi-Fi Information.”- [GR II] After selecting the camera’s SSID, a message saying “This network has no Internet access. Do you want to stay connected?” appears. What should be done?
This message may appear when the camera and the smartphone are connected via Wi-Fi. Because the camera is not connected to the Internet, the smartphone is asking whether to keep the Wi-Fi connection to the camera.
For the app to communicate with the camera, the Wi-Fi connection must be maintained.
Therefore, when this message appears, select “Yes.”- [GR II] After selecting the camera’s SSID, an error message saying “Failed to establish a wireless LAN connection with the camera.” appears. What should be done?
A notification saying “This network has no Internet access. Do you want to stay connected?” may appear in the smartphone’s notification area. Please check the notification area.
This message may appear when the camera and the smartphone are connected via Wi-Fi. Because the camera is not connected to the Internet, the smartphone is asking whether to keep the Wi-Fi connection to the camera.
For the app to communicate with the camera, the Wi-Fi connection must be maintained.
Therefore, when this message appears, select “Yes.”
Also check that the GR II camera’s firmware version is supported by GR WORLD (version 1.10 or later).
Please note that cameras with older firmware versions cannot be connected and will result in an error.- [GR IV] After tapping the image import button, “Connecting via wireless LAN” is displayed, but then an error saying “Failed to establish a Bluetooth connection with the camera.” appears. What should be done?
Check that wireless communication is enabled on the camera, and then try again.
Camera setup procedure:
1. Turn on the camera.
2. In the Setup menu, go to “Wireless Communication Settings” → “Operating Mode” and select “On.”
If the issue is not resolved by the steps above, the following may apply:
• No pairing settings remain on either the camera or the smartphone
→ Select “Reconnect Settings” from the camera settings and try again.
• Pairing settings remain on only one of the devices (either the camera or the smartphone)
→ Select “Reconnect Settings” from the camera settings and try again.
If the issue is not resolved by the steps above, please check that the required permissions have been granted.
Note: The steps may vary slightly depending on your smartphone model and OS version.
For iOS:
Open the Settings app, go to GR WORLD, and check the following settings:
Bluetooth: On
Location: While Using the App
For Android:
Open the Settings app, go to Apps, select GR WORLD, then go to Permissions,
and check the following settings:
Nearby devices: Allow
Location: Allow only while using the app- [GR III / GR IIIx] After tapping the image import button, “Connecting via wireless LAN” is displayed, but then an error saying “Failed to establish a Bluetooth connection with the camera.” appears. What should be done?
Check that wireless communication is enabled on the camera, and then try again.
Camera setup procedure:
1. Turn on the camera.
2. In the Setup menu, go to “Bluetooth Settings” → “Operating Mode” and select either “Connect even when the power is off” or “Connect only when the power is on.”
If the issue is not resolved by the steps above, the following condition may apply:
• No pairing settings remain on either the camera or the smartphone.
In this case, select “Reconnect Settings” from the camera settings and try again.
• Pairing settings remain on only one device (either the camera or the smartphone).
In this case, select “Reconnect Settings” from the camera settings and try again.
If the issue is not resolved by the steps above, check that the required permissions have been granted.
Note: The steps may vary slightly depending on your smartphone model and OS version.
For iOS:
Open the Settings app, go to Apps → GR WORLD, and check the following settings:
Bluetooth: On
Location: While Using the App
For Android:
Open the Settings app, go to Apps → GR WORLD → Permissions, and check the following settings:
Nearby devices: Allow
Location: Allow only while using the app- [Android] After tapping the image import button, a message saying “The GR WORLD app will temporarily use the Wi-Fi network to connect to the device” appears. What should be done?
This message appears when the smartphone asks whether it can continue using the Wi-Fi connection to the camera. To allow the app to communicate with the camera, select “Connect.”- [iOS] After tapping the image import button, “Connecting via wireless LAN” is displayed, and then a message saying “GR WORLD is trying to connect to a Wi-Fi network. Is this OK?” appears. What should be done?
This message appears when the smartphone asks whether to continue using the Wi-Fi connection to the camera. To communicate with the camera, select “Connect.”- [iOS] After tapping the image import button, “Connecting via wireless LAN” is displayed, and then the message “Allow GR WORLD to find devices on the local network?” appears. What should be done?
To connect to the camera and perform image import and other operations, the app must be allowed to access devices on the local network. Therefore, select “Allow.”
Note: Immediately after changing the local network settings, the connection may not be established right away. In this case, restart the smartphone to apply the settings, then try connecting again.
Also check the following:
Open the Settings app, go to Apps → GR WORLD, and confirm that “Local Network” is turned On.- After tapping the image import button, “Connecting via wireless LAN” is displayed, but then the error “Failed to establish a wireless LAN connection with the camera.” appears. What should be done?
Check that the required permissions have been granted.
Note: The steps may vary slightly depending on your smartphone model and OS version.
For iOS:
Open the Settings app, go to GR WORLD, and confirm that “Local Network” is turned On.
If this setting is turned off, a wireless LAN connection to the camera cannot be established.
Note: After changing the local network settings, the connection may not be established immediately. In this case, restart the smartphone to apply the settings, and then try connecting again.
For Android:
A notification saying “The GR WORLD app will temporarily use the Wi-Fi network to connect to the device” may appear in the smartphone’s notification area.
Please check the notification area.
• The camera may be set to video recording mode.
When the camera is in video recording mode, the wireless LAN function cannot be used.
Switch the camera to still image mode or playback mode, then try again.
• The camera may be connected to a computer via USB.
When the camera is connected to a computer via USB, the wireless LAN function cannot be used.
Disconnect the USB cable and try again.
• If security apps, communication control apps, or ad-blocking apps are installed, a wireless LAN connection to the camera may not be established. Temporarily disable or uninstall these apps, then try again.
• Check whether a VPN connection is enabled in your smartphone settings.
Note: The steps may vary slightly depending on your smartphone model and OS version.
Android:
Open the Settings app, go to Network & Internet, and select VPN.
iOS:
Open the Settings app, go to General, and select VPN & Device Management.
• If the camera cannot be connected even after retrying, perform “Reconnect Settings” from the camera settings.
“Reconnect Settings” is used to re-establish the connection when a camera registered on the Home screen can no longer be connected.
Follow the on-screen instructions to reconnect to the camera.
• If the issue is not resolved by the steps above, please try the following.
– Turn off Wi-Fi in the smartphone’s Wi-Fi settings, wait a few seconds, and then turn it back on.
– Power off the smartphone completely, then restart it.
– If the camera is registered under My Networks / Previously connected networks / Saved networks (*) in the smartphone’s Wi-Fi settings, delete that network.
Note (Reference):
On an iPhone 12 (iOS 18.5), when you open the Wi Fi settings screen by going to Settings → Wi Fi, an “Edit” button appears in the upper right corner.
Tap “Edit” to view the list of previously connected networks.
Note:
On a Google Pixel 7 (Android 16), open Settings → Network & Internet → Internet.
Scroll down and tap Saved networks to view the list.- The camera was previously connected successfully, but suddenly can no longer be connected. What should be done?
Select “Reconnect Settings” from the camera settings.
“Reconnect Settings” is used to re-establish the connection with a camera registered on the Home screen when the connection cannot be established.
Follow the on-screen instructions to reconnect.- Images marked for transfer on the camera are not imported into the app. What should be done?
Images marked for transfer on the camera are imported when you tap the image import button on the app’s Home screen and open the camera image screen.
Therefore, return to the Home screen once, then open the camera image screen again.- Can the camera’s SSID and password be changed from the app?
Yes.
Go to “Wireless LAN Communication Settings” in the camera settings, edit the SSID or password, and tap “Change” to apply the changes to the camera.- Can the camera’s date and time be set from the app?
Yes.
Go to “Date/Time Sync” in the camera settings, and tap “Sync Now” to apply the smartphone’s date and time to the camera.
Note: When “Auto Sync” is enabled, the camera’s date and time are automatically synchronized with the smartphone whenever the app connects to the camera.- What is “Location Information Recording”?
When “Location Information Recording” is turned on, the app sends the smartphone’s location information to the camera, and the information is automatically recorded in the images you capture.- What is “Auto Resize”?
When “Auto Resize” is turned on, images selected for transfer on the camera are automatically resized to XS size before being transferred.- What is “Reconnect Settings”?
“Reconnect Settings” is used to re-establish the connection with a camera registered on the Home screen when the connection can no longer be established.
Follow the on-screen instructions to reconnect to the camera.- [GR IV] What is “Communication Bandwidth” in “Wireless LAN Communication Settings”?
“Communication Bandwidth” lets you select the wireless LAN frequency band (2.4 GHz or 5 GHz).
Note: The 2.4 GHz band offers longer range and better penetration through walls, but may suffer from more interference and lower speeds.
The 5 GHz band offers higher speeds and less interference, but has a shorter range.
Note: The “Communication Bandwidth” setting is not supported on GR III, GR IIIx, or GR II.- [GR IV] What is “Security Method” in “Wireless LAN Communication Settings”?
“Security Method” is the setting used to select the encryption method that protects wireless LAN communication.
Note: WPA2 is widely supported by smartphones.
WPA3 is newer and more secure but may not be supported on older devices.
WPA2/WPA3 Transition Mode supports both and switches automatically based on the smartphone.
Note: The “Security Method” setting is not supported on GR III, GR IIIx, or GR II.
Frequently Asked Questions about Firmware Updates
- [GR IV] How can the camera firmware be updated from the app?
To update the camera firmware from the app, follow the steps below.
1. Launch the app and connect to the camera via Bluetooth.
2. If a “New firmware is available.” message appears on the Home screen, tap “Check now.”
3. Tap “Update now.”
The camera firmware can also be updated from the camera settings by going to “Firmware” and tapping “Check for the latest firmware.”
Note: GR III, GR IIIx, and GR II do not support firmware updates from the app.
See the link below for details.
GR III / GR III HDF
https://www.ricoh-imaging.co.jp/english/support/digital/gr3_s.html
GR IIIx HDF / GR IIIx HDF
https://www.ricoh-imaging.co.jp/english/support/digital/gr3x_s.html
GR II
https://www.ricoh-imaging.co.jp/english/support/digital/gr2_s.html- [GR IV] Can all GR series cameras be updated with firmware from the app?
No. Only the GR IV supports firmware updates from the app.
GR III, GR IIIx, and GR II do not support firmware updates from the app.
Note: GR WORLD does not support the GR or GR Digital I–IV models.- [GR IV] What happens if the connection is lost or an error occurs during a firmware update?
If an error appears in the app while the firmware is being downloaded, wait for the camera to display an error message, then try the update again.
Note: If a wireless LAN connection is established but the firmware update data transfer has not yet completed, there may be a waiting time of up to 3–4 minutes.
If a wireless LAN disconnection is detected or an error occurs on the camera, an error message will be displayed immediately.- [GR IV] Can the firmware be rolled back to a previous version after an update?
No. The firmware cannot be rolled back to a previous version.- No. The firmware cannot be rolled back to a previous version.
• On the camera
Select “Camera Information” from the Setup menu, then check “Firmware.”
• App
From the Home screen, go to “Camera Settings”, tap “Camera Information”, and check “Camera Version.”
Frequently Asked Questions about Notifications in App Settings
- What are “Notifications”?
Notifications deliver the latest information, such as new camera firmware releases or app updates. Please check “Notifications” in App Settings.- How can I tell when there is a new notification?
A green badge appears next to App Settings and Notifications when a new notification is received. Unread notifications also show a green badge.
Frequently Asked Questions about Image Control on the GR IV Home Screen
- What is “Image Control” on the Home Screen?
Image Control allows you to store the camera’s image control settings in the app, and apply them to the camera whenever you like. You can also create image control settings from photos in the GR Gallery and save them to the app.
Note: Image control settings can only be saved from still images taken with the GR IV. Video recordings are not supported.- Can image control settings be saved from or applied to all cameras?
No. Only the GR IV supports saving and applying image control settings. The GR III, GR IIIx, and GR II do not support this function.- Can image control settings be saved from videos?
No. Image control settings cannot be saved from videos.- How can I save image control settings to the app?
Follow the steps below to save image control settings from images taken with the camera to the app.
1. Tap [Import Images] on the Home Screen.
2. When the camera images are displayed, tap a photo taken with the GR IV.
3. Tap the [Image Control] icon in the upper-right corner of the screen.
4. Enter a name for the image control.
5. Tap [Save].- Can image control settings be saved from images in My Gallery?
No. Image control settings cannot be saved from images in My Gallery. To save image control settings, use images imported from the camera via [Import Images] on the Home Screen.- How many image control settings can be saved?
There is no limit to the number of image control settings that can be saved.- What happens to my saved image control settings if I reinstall the app?
All saved image control settings are deleted when the app is uninstalled.- I tapped the Image Control icon, but the image control settings could not be saved to the app.
Please update the GR IV firmware to the latest version. The image control save and apply functions are available with GR IV firmware version 1.04 or later.- Where are the image control settings saved to the app displayed?
They are displayed in the [Image Control] tab in My Gallery.- How can image control settings saved in the app be written to the camera?
Follow the steps below to write image control settings saved in the app to the camera.
• Writing Image Control Settings to the Camera from the Home Screen
1. Tap [Image Control] on the Home Screen.
2. Tap one of the write destinations on the camera: [Custom 1], [Custom 2], or [Custom 3].
3. A list of image control settings saved in the app appears. Tap the image control setting you want to apply to the camera.
4. Tap [Apply Changes].
• Writing Image Control Settings to the Camera from the Image Control Tab in My Gallery
1. Connect the camera via Bluetooth.
2. Tap [My Gallery] on the Home Screen.
3. In My Gallery, tap the [Image Control] tab.
4. A list of image control settings saved in the app appears. Tap the image control setting you want to apply to the camera.
5. Tap [Set to Connected Camera].
6. Tap one of the write destinations on the camera: [Custom 1], [Custom 2], or [Custom 3].
7. Tap [Apply Changes].- Can image control settings saved in the app be written to the camera’s USER modes?
Yes. Image control settings can be written to Custom 1, Custom 2, or Custom 3 in the camera’s USER modes.
However, if the image control settings in a USER mode are changed, those changes are not saved to the camera. When you switch the mode dial, the image control settings will revert to their previous state.
To save the modified image control settings to the camera, select “Save USER Mode Dial Settings” from the camera’s customization menu.
Note: Changes made in a USER mode are not saved to the camera until “Save USER Mode Dial Settings” is selected from the camera’s customization menu.- Can image control settings saved from the GR IV be written to the GR IV HDF using the app?
Yes. Image control settings can be written to the GR IV HDF in the following cases:
• Writing image control settings from the GR IV to the GR IV HDF
• Writing image control settings from the GR IV HDF to the GR IV- Can image control settings saved in the app be transferred to the GR IV Monochrome?
No. Image control settings cannot be transferred in the following cases:
• Transferring image control settings from GR IV to GR IV Monochrome
• Transferring image control settings from GR IV Monochrome to GR IV
• Transferring image control settings from GR IV HDF to GR IV Monochrome
• Transferring image control settings from GR IV Monochrome to GR IV HDF- Can the names of image control settings saved in the app be changed?
Yes. Image control settings saved from images taken with the camera can be renamed by following the steps below.
1. Tap [My Gallery] on the Home Screen.
2. In My Gallery, tap the [Image Control] tab.
3. A list of image control settings saved in the app appears. Tap the image control setting whose name you want to change.
4. Tap [Edit Name].
5. Enter a new name for the image control.
6. Tap [Save].- Can image control settings saved in the app be deleted?
Image control settings can be deleted by following the steps below.
1. Tap [My Gallery] on the Home Screen.
2. In My Gallery, tap the [Image Control] tab.
3. A list of image control settings saved in the app appears. Tap the image control setting you want to delete.
4. Tap the Trash icon.
5. Tap [Delete].- Can the parameters of image control settings saved in the app be changed?
No. The parameters of image control settings cannot be changed in the app.
Frequently Asked Questions about Specifications
- What operating systems are supported?
The following operating systems are supported:
• iOS: iOS 16–18, iOS 26
• Android: Android OS 13–16
* Operation is not guaranteed on all devices.
* This information is based on devices whose operation has been verified as of January 2026 and is subject to change without prior notice.- How can I check the app version?
You can check the app version in “App Settings” under “App Version.”- Which camera firmware versions are supported for use with GR WORLD?
The supported camera firmware versions are listed below. Cameras running older firmware versions cannot be connected and will result in an error.
• GR IV / GR IV HDF / GR IV Monochrome: Ver. 1.00 or later
• GR III / GR III HDF: Ver. 2.00 or later
• GR IIIx / GR IIIx HDF: Ver. 1.50 or later
• GR II: Ver. 1.10 or later- How can the camera firmware be updated?
Please refer to the page below.
GR IV / GR IV HDF
https://www.ricoh-imaging.co.jp/english/support/digital/gr4_s.html
GR III / GR III HDF
https://www.ricoh-imaging.co.jp/english/support/digital/gr3_s.html
GR IIIx / GR IIIx HDF
https://www.ricoh-imaging.co.jp/english/support/digital/gr3x_s.html
GR II
https://www.ricoh-imaging.co.jp/english/support/digital/gr2_s.html- Can the camera firmware be updated from the app?
Starting with GR WORLD version 1.2.0, the GR IV firmware can be updated directly from the app.
* The GR III, GR IIIx, and GR II do not support camera firmware updates via the app. Please update the firmware using the camera itself.- How can a camera be connected from the Home Screen?
When the app is launched and the Home Screen appears, it automatically attempts to connect to the camera that was previously connected.
To connect to a different camera, select the desired camera on the Home Screen and tap [Connect to This Camera].
* The GR II does not support automatic connection from the Home Screen.- The camera does not connect automatically from the Home Screen. What should be done?
If an error occurs while attempting to reconnect to the previously connected camera, automatic reconnection will be disabled.
In this case, tap [Import Images] or [Remote Shooting] on the Home Screen to connect to the camera manually.
* The GR II does not support automatic connection from the Home Screen.- Can exposure values (such as aperture, shutter speed, and ISO sensitivity) be adjusted?
No. Exposure adjustment is not supported.- No. Exposure adjustment is not supported.
No. NFC is not supported.- Can multiple cameras be connected at the same time?
Only one camera can be connected at a time. If another camera is connected, the connection to the previously connected camera will be automatically disconnected.- Can the camera be powered off from the app?
Yes. You can turn off the camera by selecting “Camera Power” in the camera settings.- Can the camera be powered on from the app?
Yes. If the wireless communication setting of the GR IV is set to On, the camera can be powered on from the app. When you tap [Import Images] or [Remote Shooting], the camera will automatically power on and the selected operation will be performed.
GR IV Setup Procedure
From the Setup menu, select [Wireless Communication Settings] → [Operating Mode], then set it to On.
GR III / GR IIIx Setup Procedure
From the Setup menu, select [Bluetooth Settings] → [Operating Mode], then set it to Connect Even When Power Is Off.
* If the Bluetooth setting of the GR III / GR IIIx is set to “Connect Even When Power Is Off,” the camera can be powered on from the app. When [Import Images] or [Remote Shooting] is tapped, the camera will automatically power on and the selected operation can be performed.
* The GR II does not support powering on the camera from the app. Only powering off the camera from the app is supported.- Can the camera name on the Home Screen be changed?
Yes. The camera name can be changed.
Immediately after camera registration is completed, the camera name displayed on the Home Screen is as follows:
GR IV
The camera name stored in the camera
(Default: “MY GR IV”)
GR III / GR IIIx
The Bluetooth device name of the camera
GR II
The camera’s SSID
To edit the camera name, tap “Camera Name” in the app’s Camera Settings.
* The camera name can contain alphanumeric characters and symbols, up to 32 single-byte characters.- The camera was previously connected successfully, but suddenly can no longer be connected. What should be done?
Select “Reconnect Settings” from the camera settings.
“Reconnect Settings” is used to re-establish the connection with a camera registered on the Home screen when the connection cannot be established.
Follow the on-screen instructions to reconnect.- Is it possible to tell whether images stored in the camera have already been transferred to the smartphone?
Yes. If a smartphone icon is displayed on the checkbox for an image when selecting images stored in the camera, that image has already been transferred to the smartphone.
However, if the app is uninstalled, all transfer history information will be reset. As a result, the smartphone icon indicating that an image has already been transferred will no longer be displayed when selecting images stored in the camera.
Even if the image itself remains on the smartphone, it will no longer be recognized as having been transferred within the app.
* For videos recorded with the GR II, the app does not indicate whether the video has already been transferred to the smartphone.- Is it possible to view information for still images stored in the camera?
Yes. When images stored in the camera are displayed, the following image information can be checked in the app.
- Model Name
- Date and Time Taken
- Image Size
- File Size
- Shutter Speed
- Aperture Value
- ISO Sensitivity
- Exposure Compensation Value
* For still images captured with the GR II, the app does not display the image size or file size.- Is it possible to view information for videos stored in the camera?
Yes. When videos stored in the camera are displayed, the following video information can be checked in the app.
- Model Name
- Date and Time Taken
- Recording Size
- Recording Duration
- File Size
* For videos recorded with the GR II, the app does not display video information.- Why is the shooting date and time for videos recorded with the GR II displayed as “----/--/--”?
The app is unable to retrieve shooting date and time information for videos recorded with the GR II. As a result, “----/--/--” is displayed.- Will image transfer continue if another app is used during the transfer?
Behavior differs between Android and iOS. Operation may also vary slightly depending on the smartphone model and OS version.
For Android
Even if the app is moved to the background, image transfer will continue until completion. Therefore, the transfer will continue while other apps are being used.
After the transfer is completed, the Wi-Fi connection will be disconnected after approximately one minute.
* If features such as Power Saving Mode are enabled, background image transfer may not be available on Android devices.
For iOS
If the app is moved to the background, the Wi-Fi connection will be disconnected and image transfer will be interrupted after approximately one minute.
Therefore, keep the app open while transferring images.- Will image transfer continue if the smartphone enters sleep mode during the transfer?
Behavior differs between Android and iOS. Operation may also vary slightly depending on the smartphone model and OS version.
For Android
Even if the app is moved to the background, image transfer will continue until completion. Therefore, the transfer will continue while other apps are being used.
After the transfer is completed, the Wi-Fi connection will be disconnected after approximately one minute.
* If features such as Power Saving Mode are enabled, background image transfer may not be available on Android devices.
For iOS
If the app is moved to the background, the Wi-Fi connection will be disconnected and image transfer will be interrupted after approximately one minute.
Therefore, keep the app open while transferring images.- Will image transfer continue if the app is closed during the transfer?
If the app is closed, image transfer will be interrupted. Therefore, keep the app open while transferring images.- What happens to images that were being transferred if the connection between the camera and the smartphone is interrupted?
If the connection is interrupted, images that have not yet been transferred will not be sent to the smartphone. To transfer interrupted images, select them again and retry the transfer.- Can multiple images be selected and transferred at the same time?
Yes. Multiple images can be selected and transferred in a single batch.- Can transferred images be viewed in apps other than GR WORLD?
Yes. Transferred images are saved to the smartphone, so they can be freely viewed and shared using other apps such as photo apps, social networking apps, and cloud storage apps.- Do transferred images include shooting information?
Yes. Transferred images include shooting information and can be viewed in My Gallery.- Can images be transferred while connected to multiple cameras?
Only one camera can be connected at a time. Therefore, images cannot be transferred from multiple cameras simultaneously.- What happens to images that were previously transferred if the app is reinstalled?
Images that were previously transferred remain on the smartphone even after the app is reinstalled, and they can still be viewed in My Gallery.
However, if the app is uninstalled, all transfer history information will be reset. As a result, the smartphone icon indicating that an image has already been transferred will no longer be displayed when selecting images stored in the camera.
Even if the image itself remains on the smartphone, it will no longer be recognized as transferred within the app.- What happens to albums that were previously created if the app is reinstalled?
When the app is uninstalled, any existing albums are deleted. However, since the images remain on the smartphone, they can still be viewed in My Gallery after the app is reinstalled.- Images that were marked for transfer on the camera are not imported into the app. What should be done?
Images marked for transfer on the camera are imported when you tap [Import Images] on the app’s Home Screen and open the screen displaying images stored in the camera.
Therefore, return to the Home Screen once, and then open the in-camera image screen again.- Can images taken with cameras other than GR be transferred?
Images can be transferred; however, images taken with cameras other than GR cannot be viewed in the app.- Does the app support remote shooting?
Yes. Remote shooting is supported with the GR IV, GR III, and GR IIIx.
Using a Bluetooth connection, the camera shutter can be released from a smartphone.
*The GR II does not support remote shooting.- Can exposure settings (such as aperture, shutter speed, and ISO sensitivity) be adjusted?
Exposure adjustment operations are not supported.- Can photos be taken while viewing Live View?
No. Live View is not supported in the app.- Are continuous shooting, bracket shooting, multiple exposure, interval shooting, and interval composite supported?
These drive modes are not supported.
In remote shooting, only single-frame shooting is available.- Are bulb shooting and time exposure supported?
No. Bulb shooting and time exposure are not supported.- Does it support video recording?
No. Video recording is not supported.- Can the self-timer function be used?
Yes. The self-timer function can be used.
Frequently Asked Questions about GR Gallery and My Gallery on the Home Screen
- What is “GR Gallery” on the Home Screen?
The GR Gallery is a dedicated gallery that allows you to view GR works by photographers on your device.
* For photos taken with the GR IV in the GR Gallery, the image control settings used for the photo can be saved to the app on your device and applied to your GR IV camera.
* Only the GR IV supports the image control save and write functions.
The GR III, GR IIIx, and GR II do not support these functions.- Can the name of image control settings saved to the app from photos in the GR Gallery be changed?
No. Image control settings saved from photos in the GR Gallery cannot be renamed.- What is “My Gallery” on the Home Screen?
My Gallery is a screen where images transferred from the camera can be viewed in a list. You can also create albums to organize your images.- Is it possible to view information for still images in My Gallery?
Yes. When images are displayed in My Gallery, the following image information can be checked in the app.
- Model Name
- Date and Time Taken
- Image Size
- File Size
- Shutter Speed
- Aperture Value
- ISO Sensitivity
- Exposure Compensation Value
- Location Information Availability- Is it possible to view information for videos in My Gallery?
Yes. When videos are displayed in My Gallery, the following video information can be checked in the app.
- Model Name
- Date and Time Taken
- Recording Size
- Recording Duration
- File Size- Can images that were previously transferred using Image Sync be viewed in GR WORLD?
Yes. However, in My Gallery, only images taken with the GR III series and GR II series can be viewed.- Can images taken with cameras other than GR be viewed in GR WORLD?
In My Gallery, only images taken with GR cameras can be viewed.- Can GR images edited in other apps be viewed in GR WORLD?
No. Images edited in other apps cannot be viewed in GR WORLD.- How can images be deleted?
Press and hold an image to switch to selection mode. Select the images you want to delete, then tap the Trash icon.- What is the heart icon?
The heart icon is used to add images to Favorites. Tapping the heart icon adds the selected image to Favorites. Images added to Favorites can be viewed together in the “Favorites” section on the Albums tab.- What is an album?
An album is a feature that allows images to be grouped and organized. Images in a created album can also be displayed as a widget on the smartphone’s Home Screen.- How can an album be created?
To create an album, press and hold an image on the Photos tab in My Gallery to select it, then tap the “Add to Album” button. Next, select “New Album.”- How can images be added to an album?
To add images to an album, press and hold an image on the Photos tab in My Gallery to select it, then tap the “Add to Album” button. Next, select the album you want to add the images to.- How can an album name be changed or an album deleted?
On the Albums tab in My Gallery, tap the […] icon (the icon with three horizontal dots) for the album. From the menu that appears, you can edit the album name or delete the album.- If an album is deleted or images are removed from an album, are the photos themselves also deleted from the smartphone?
No. Even if an album is deleted or images are removed from an album, the images remain on the smartphone. Therefore, they can still be viewed in My Gallery.- After adding images to an album, can the images be rearranged?
Currently, rearranging images within an album is not supported.- What happens to images that were previously transferred if the app is reinstalled?
Images that were previously transferred will remain on the smartphone even after the app is reinstalled and can continue to be viewed in My Gallery.
However, if the app is uninstalled, all transfer history information up to that point will be reset. As a result, the smartphone icon indicating that an image has already been transferred will no longer be displayed when selecting images stored in the camera.
Please note that even if the image itself remains on the smartphone, it will no longer be recognized as transferred within the app.- What happens to albums that were previously created if the app is reinstalled?
When the app is uninstalled, any existing albums are deleted. However, since the images remain on the smartphone, they can continue to be viewed in the app’s My Gallery even after the app is reinstalled.- How can location information be sent from the app to the camera?
After connecting the camera via Bluetooth, turn on “Record Location Information” in the camera settings. An icon indicating the camera’s GPS reception status will be displayed. When the camera receives location information from the app, the icon changes from gray to white.
* The GR II does not support sending location information from the app.- If the app is not displayed on the screen, will location information not be sent to the camera?
If “Send Location Information in Background” is enabled in the app settings, location information can be sent to the camera even while the smartphone is in sleep mode or while other apps are being used.- Will the camera automatically connect and receive location information when the camera is powered on, even if the smartphone is in sleep mode?
If “Send Location Information in Background” is enabled in the app settings, the camera will automatically connect and receive location information when it is powered on, even while the smartphone is in sleep mode or while other apps are being used.- How often is location information sent to the camera?
In the app settings, you can select the “Location Transmission Frequency” from three levels: “High,” “Normal,” and “Low.”
When set to “High,” location information is sent to the camera at shorter intervals, allowing more up-to-date location data to be reflected.
However, a higher transmission frequency increases battery consumption, so please choose the setting that best matches your usage.
Frequently Asked Questions about “GR Log” on the GR IV Home Screen
- [GR IV] What is “GR Log” on the GR IV?
“GR Log” is a feature that allows you to check how many times the GR IV has been used to take photos.
- You can check the total number of still images and videos taken to date.
- By selecting a day on the calendar, you can check the number of still images and videos taken on that day.
- By selecting a month on the calendar, you can check the number of still images and videos taken during that month.
- For still images only, you can also check the number of shots taken by exposure mode, image control, aspect ratio, and crop.
* The GR III, GR IIIx, and GR II do not support “GR Log.”- [GR IV] Why are the dates on the calendar displayed in different colors on the GR IV?
The colors on the calendar indicate the number of shots taken on each day. Darker colors represent a higher number of shots, while lighter colors represent fewer shots. The information is displayed in a heatmap format, allowing you to understand overall shooting trends at a glance.- [GR IV] How can “GR Log” on the GR IV be updated?
Tap the Update button on the GR Log screen. The app will connect to the camera via Wi-Fi, retrieve the shooting count data, and update GR Log.- [GR IV] Can “GR Log” on the GR IV be deleted?
Yes. On the GR Log screen, tap the three-dot menu icon in the upper-right corner to display GR Log management, then select “Delete GR Log.”- [GR IV] What is “Export CSV” on the GR IV?
This function exports the GR IV’s shooting count data in CSV format.
The CSV file name is formatted as: ModelName_CameraName_data.csv.
* If the model name or camera name contains spaces, the spaces will be converted to hyphens.
* If the camera name contains characters that cannot be used in file names, such as \ / : ? * " < > |, those characters will be converted to their full-width equivalents.
Frequently Asked Questions about Widgets
- What is a widget?
A GR WORLD widget is a smartphone feature that allows images transferred to GR WORLD to be displayed directly on the smartphone’s Home Screen. The widget displays images from an album. Therefore, an album must be created in advance, and the images to be displayed on the widget must be added to that album.- How can a widget be added to the smartphone’s Home Screen?
Please refer to the section below for instructions specific to your smartphone.
* The procedure may vary slightly depending on the smartphone model and OS version.
For iOS
1. Press and hold an empty area on the Home Screen.
2. Tap the “Edit” button displayed in the upper-left corner of the screen.
3. Tap “Add Widget.”
4. Select GR WORLD from the list of widgets.
5. Choose a widget display style, then tap “Add Widget.”
For Android
1. Press and hold an empty area on the Home Screen.
2. Select “Widgets” from the menu that appears.
3. Select GR WORLD from the widget list.
4. Choose a widget display style, then press and hold it.
5. Drag the widget to the desired location on the Home Screen and place it.
Please adjust the widget size and settings as necessary.- A widget has been added to the smartphone’s Home Screen, but images are not displayed. What should be done?
The widget displays images from an album. Therefore, an album must be created first, and images must be added to that album for them to appear in the widget.
* Operations and the appearance of widgets may vary slightly depending on the smartphone model and OS version.
For iOS
1. Press and hold the widget on the Home Screen.
2. Tap “Edit Widget.”
3. Under “Select Album,” tap “Select.”
4. Choose an album.
When you return to the Home Screen, images from the album set for the widget will be displayed automatically.
For Android
1. Press and hold the widget on the Home Screen.
2. Tap “Widget Settings.”
3. Under “Select Album,” tap “Select.”
4. Choose an album.
When you return to the Home Screen, images from the album set for the widget will be displayed automatically.- Will the widget images change automatically?
Yes. The images will automatically switch every 30 minutes.- Can the widget size be changed?
Yes, it can be changed.
* Operations and the appearance of widgets may vary slightly depending on the smartphone model and OS version.
For iOS
1. Press and hold the widget on the Home Screen.
2. Choose the desired size from the three available options (Small, Medium, Large).
For Android
1. Press and hold the widget on the Home Screen.
2. Tap “Resize”.
3. Drag the edges of the frame to adjust the widget size.- How can a widget be removed?
Please refer to the section below for your specific smartphone.
* Operations and the appearance of widgets may vary slightly depending on the smartphone model and OS version.
For iOS
1. Press and hold the widget on the Home Screen.
2. Tap “Remove Widget.”
3. Tap “Remove.”
For Android
1. Press and hold the widget on the Home Screen.
2. Tap “Remove” (or “Delete”).- The widget suddenly turned completely black. What should be done?
Depending on the smartphone’s updates or operating conditions, the widget may not display correctly.
Please remove the widget once and then add it to the Home Screen again.
Frequently Asked Questions about Available Features by Camera Model
- Please explain the differences in available features among the GR IV, GR III, GR IIIx, and GR II.
Please refer to the table below.
GR IV GR III / IIIx GR II Basic Functions Bluetooth Connection ○ ○ × WLAN Connection ○ ○ ○ NFC Connection × × × Image Import ○ ○ ○ Transfer Reservation on the Camera ○ ○ × Remote Shooting ○ ○ × Send Location Information ○ ○ × GR Log ○ × × Save / Write Image Control Settings ○ × × Camera Firmware Update ○ × × Notifications ○ ○ ○ GR Gallery ○ ○ ○ Camera Settings Name the Camera ○ ○ ○ Turn the Camera On/Off ○ ○ ○(Power-off only) Change the Camera’s Location Recording Setting ○ ○ × Change the Camera’s “Auto Resize” Setting ○ ○ × Camera Date/Time Sync ○ ○ × Change the Camera’s Wireless LAN Settings ○ ○ ○ Reconnect Settings ○ ○ ○ App Settings Background Location Transmission ○ ○ × Location Transmission Interval ○ ○ ×