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Back up/restore chat histories
To restore your chat history after transferring your LINE account, you need to back it up beforehand.
Before backing up your chats, be sure that:
• iCloud Drive/Google Drive is turned on.
Note: This feature is unavailable on devices that cannot use Google Drive.
• There is enough free space in iCloud Drive/Google Drive.
For the basic ways to back up your chat history, see below.
iOS users
There are two methods available for backing up your chats to iCloud Drive.Manually back up chats to iCloud Drive
1. From the Home tab, tap Settings > Chat history backup under Backup and transfer.2. Tap Back up now.
Note: If you don't see Back up now, you need to set a backup PIN, so tap Create backup PIN to back up your chat history.
3. After your backup is complete, tap Transfer account or Close.
Note: If you tap Transfer account, you can transfer your account with an easy transfer QR code.
Automatically back up chats to iCloud Drive
1. From the Home tab, tap Settings > Chat history backup under Backup and transfer.2. Tap Back up how often.
3. Select how often you want to back up your chats.
Your chats will only be backed up automatically if your device and settings meet the conditions below when the auto-backup refresh starts.
• Your device is plugged into an outlet.
• Your device is connected to the internet.
• The Background App Refresh setting on your device is turned on.
Android users
There are two methods available for backing up your chats to Google Drive.Manually back up chats
1. From the Home tab, tap Settings > Back up and restore chat history under Backup and transfer.2. Tap Back up now or Back up to Google Drive.
Note: If you don't see Back up now or Back up to Google Drive, you need to set a backup PIN, so tap Create backup PIN to back up your chat history.
3. After your backup is complete, tap Transfer account or Close.
Note: If you tap Transfer account, you can transfer your account with an easy transfer QR code.
Automatically back up chats
1. From the Home tab, tap Settings > Back up and restore chat history under Backup and transfer.2. Tap Back up how often and turn Enable auto-backup ON.
3. Select how often you want to back up your chats.
Your chats will only be backed up automatically if your device and settings meet the conditions below when the auto-backup refresh starts.
• Your device is plugged into an outlet.
• Your device is connected to the internet.
Note: If you can't use a Wi-Fi connection, you can still back up your chats with Use mobile data selected.
Your chats will be backed up automatically when you stop using your device and its screen has turned off.
For more information about the chat history that will be backed up, see the following Help article.
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You can transfer your chat history to your new device by backing it up with your old device.
If you still have your old device
Make sure you're using the latest version of LINE. (Update LINE to the latest version)Transferring your chat history to a new device running the same OS
First, check your old device to make sure that:• There is enough free space in Google Drive.
• It's being used in an area with a strong network connection.
Next, follow the steps below to back up your chats:
1. From the Home tab, tap Settings > Back up and restore chat history.
2. Tap Back up now or Create backup PIN and back up chat history.
Note: You can confirm the PIN you set by tapping Backup PIN.
3. After your backup is complete, tap Transfer account and transfer your account with an easy transfer QR code.
Transferring your chat history to a new device running a different OS
You can automatically transfer your chat history from the last 14 days if you set a backup PIN.Note: If your new device is running a different OS, you cannot transfer your chat history from before the last 14 days that you backed up to Google Drive.
First, see the steps in About the backup PIN and set a backup PIN on your old device.
Note: You can confirm the PIN you set by tapping Backup PIN.
Once you've finished backing up your chats, please transfer your account.
Depending on whether your new device runs the same OS as your old device, the data that can be transferred along with your account will differ. Refer to the following Help article for details.
Data that can be transferred
If you no longer have your old device
Transferring your chat history to a new device running the same OS
If you backed up your chat history to Google Drive
You can transfer your chat history when transferring your account. See the following Help articles for details.Transferring your LINE account with a phone number
Transferring your LINE account with your Apple ID
Transferring your LINE account with your Google account
Note: If you had a backup PIN set, you'll need to enter it. For details, see About the backup PIN.
If you didn't back up your chats to Google Drive but had a backup PIN set
You can transfer the last 14 days of your chat history. For details, see the following Help article.About the backup PIN
If you didn't back up your chats to Google Drive or set a backup PIN
Unfortunately, you will not be able to transfer your chat history.Transferring your chat history to a new device running a different OS
If you had a backup PIN set
You can transfer the last 14 days of your chat history. For details, see the following Help article.About the backup PIN
Note: You cannot transfer your chat history from before the last 14 days that you backed up to Google Drive.
If you didn't set a backup PIN
Unfortunately, you will not be able to transfer your chat history.Was this page helpful?
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A backup PIN lets you transfer your chat history when you transfer your LINE account.
Note: To transfer your chat history in this way, you need to update LINE to version 12.13.0 or later. (Update LINE to the latest version)
Even if you haven't backed up your chat history beforehand, you can transfer your chat history from the last 14 days regardless of the OS when you set up a backup PIN.
Note: If you've backed up your chat history beforehand, you can only transfer your entire chat history between the same OS. Refer to the following Help article for details.
Backing up your chat history
For the steps to set, check, or reset your backup PIN, refer to the following sections.
2. Tap Back up now or Create backup PIN and back up chat history.
3. Enter a six-digit number.
4. Tap the arrow.
2. Tap Backup PIN.
Note: If you're asked to unlock the screen, use the unlock method you have configured on your device, such as your passcode or biometric identification (e.g. fingerprint, face). Do not use the password registered to your LINE account.
3. Check the PIN you currently have set.
4. To change your PIN, tap Change.
5. Enter your new PIN, and tap Change.
Make sure your backup PIN is a secure combination to prevent it from being used by someone else without your permission.
Here are some tips for setting a hard-to-guess backup PIN:
• Don't use consecutive numbers (e.g. 123456).
• Don't use the same number repetitively (e.g. 111111).
• Don't make the PIN your birthday.
Note: To transfer your chat history in this way, you need to update LINE to version 12.13.0 or later. (Update LINE to the latest version)
Even if you haven't backed up your chat history beforehand, you can transfer your chat history from the last 14 days regardless of the OS when you set up a backup PIN.
Note: If you've backed up your chat history beforehand, you can only transfer your entire chat history between the same OS. Refer to the following Help article for details.
Backing up your chat history
For the steps to set, check, or reset your backup PIN, refer to the following sections.
Setting a PIN code
1. From the Home tab, tap Settings > Backup and transfer > Chat history backup/Back up and restore chat history.2. Tap Back up now or Create backup PIN and back up chat history.
3. Enter a six-digit number.
4. Tap the arrow.
Checking/resetting a backup PIN
1. From the Home tab, tap Settings > Backup and transfer > Chat history backup/Back up and restore chat history.2. Tap Backup PIN.
Note: If you're asked to unlock the screen, use the unlock method you have configured on your device, such as your passcode or biometric identification (e.g. fingerprint, face). Do not use the password registered to your LINE account.
3. Check the PIN you currently have set.
4. To change your PIN, tap Change.
5. Enter your new PIN, and tap Change.
Make sure your backup PIN is a secure combination to prevent it from being used by someone else without your permission.
Here are some tips for setting a hard-to-guess backup PIN:
• Don't use consecutive numbers (e.g. 123456).
• Don't use the same number repetitively (e.g. 111111).
• Don't make the PIN your birthday.
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Follow the steps below to restore your backed up chats.
iOS users
Be advised- You cannot restore your chats by starting LINE and tapping the Home tab > Settings.
To restore your chat history:
1. Turn iCloud Drive ON.
2. Transfer your LINE account with your new device.
3. Once the screen to restore your chat history appears, tap Restore chat history.
Follow the steps below to change your iCloud Drive settings.
Note: Make sure to log in to iCloud with the same Apple ID you used to back up your chat history.
1. From your iOS device, tap Settings > your name at the top of the screen.
2. Tap iCloud and turn iCloud Drive ON.
3. Turn LINE ON.
Note: If different screens appear on your device and you cannot follow these steps, please contact Apple directly.
Android users
1. From the Home tab, tap Settings > Back up and restore chat history under Backup and transfer.
2. Tap Restore.
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If an error appears when you try to back up your chat history, check the following.
iOS
• You're using the latest version of LINE.
• iCloud Drive is turned ON.
• There is enough free space in iCloud Drive.
If you do not have enough storage space in iCloud Drive or on your device
If an auto-backup fails because you don't have enough free space in iCloud Drive or on your device, the LINE official account will send you a chat notification like the one below.Note: You will not receive a notification if an auto-backup fails for another reason.
• "Unable to back up your chat history. You don't have enough free space on your device."
If you receive a notification like this, or if you find that you cannot do a periodic backup in the LINE app, make sure that you have enough free space in your iCloud Drive and on your device, then back up your chat history again.
We recommend regularly checking the app to make sure your chat history is successfully backed up.
If your chat history backup won't complete
Try the following steps:1. Go to your device's Settings and tap the Apple ID user name.
2. Tap iCloud > Manage Storage.
3. Tap LINE > Delete Data > Delete.
4. Open LINE and tap the Home tab > Settings > Chat history backup.
5. Tap Back up now.
6. After your backup is complete, tap Transfer account or Close.
Note: If you tap Transfer account, you can transfer your account with an easy transfer QR code.
6. After your backup is complete, tap Transfer account or Close.
Note: If you tap Transfer account, you can transfer your account with an easy transfer QR code.
Android
• You're using the latest version of LINE.
• There is enough free space in Google Drive.
If an auto-backup fails because you don't have enough free space in Google Drive or on your device, one of the following error messages will appear in a notification from the app or on the settings screen.
Note: You will not receive a notification if an auto-backup fails for another reason.
• "Backup failed at XX:XX on MM/DD. Not enough free space in Google Drive."
• "Backup failed at XX:XX on MM/DD. Not enough free space on your device."
If you receive a notification like the ones above, or if you find that you cannot do a periodic backup in the LINE app, make sure that you have enough free space in Google Drive and on your device, then try to back up your chat history again.
We recommend regularly checking the app to make sure your chat history is successfully backed up.
Even if you're unable to back up your chat history to Google Drive, you can transfer your history from the last 14 days if you set a backup PIN beforehand.
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Photos and videos sent in chats cannot be backed up or restored.
If you transferred your LINE account and restored your chat history from backup when changing devices, the photos/videos in your chats and in Photos & videos, from the menu icon at the top of a chat, will be shown as 
or 
.
or . If you have photos or videos you wish to save, please save them to another device before transferring your account.
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To restore your entire chat history when transferring your LINE account, you need to do a restore from backup data saved to iCloud Drive or Google Drive.
Note:
- Setting a backup PIN beforehand or transferring your account with an easy transfer QR code will only transfer the last 14 days of your chat history.
- If you want to restore earlier chat history, be sure to do so from backup data saved to iCloud Drive/Google Drive.
You will not be able to restore your chat history if you didn't back it up to iCloud Drive/Google Drive before transferring your LINE account.
If you saved a backup of your chat history to iCloud Drive/Google Drive in the LINE app beforehand, please restore it from the relevant service.
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