About Premium Backup

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You can only use this feature on your main device (typically your smartphone).


Premium Backup lets you back up your chat history in real time, including photos and videos, to 100 GB of storage provided by LINE. It is only available to LYP Premium (Japan) and LINE Premium (Thailand) members.


Moreover, using Premium Backup allows you to transfer more than the last 14 days of chat history (including text messages), even when transferring your LINE account between devices with different operating systems (e.g. Android to iOS, iOS to Android).

About chat history eligible for backups

Chat history that can be backed up

  • Text messages
  • Photos
  • Videos
  • Files
  • Voice messages

Chat history data that might not be backed up

In some cases, the following chat history data might not be backed up.

  • Messages from official accounts and system messages
  • Photos, videos, files, and voice messages that expired before using Premium Backup
  • Some photos, videos, files, and voice messages shared before using Premium Backup

Your deleted chat history

If you delete a chat, its chat history will also be deleted at the same time. Since it's no longer saved in your chat history, backing up your chat history afterward won't recover it.

Your chat history if you haven't opened LINE for 14 days or more

If you don't open LINE for 14 days or more, chat history that expired within that time frame is also backed up.

To check the chat history for this period, you need to restore it with a method detailed in Restoring your backed up chat history. The chat history for that period will also be restored when restoring chat history in scenarios such as changing devices.

How to start using Premium Backup

Check the size of your chat history and your device's storage

With Premium Backup, you can back up a maximum of 100 GB of chat history. Also, you need at least 5 GB of free space on your device when performing an initial backup. The backup will automatically stop if your device storage falls below 3 GB during the initial backup.

Please check if you have enough storage for the backup using the methods below.

Check the size of your chat history

On the main device you can access LINE on, tap the Home tab > Settings > Chats > Delete data.

Check your device's storage

See the following links based on the OS you're using.

Make an initial backup

If it's your first time using Premium Backup, please backup your data by referring to the steps below. When the initial backup is complete, subsequent chat history will be backed up automatically.

Note: You cannot stop Premium Backup after you begin using it.

Making an initial backup
  1. Open LINE from the main device you can access LINE on.
  2. Tap the Home tab > Settings > Chat history backup.
  3. Tap Back up now.
  4. Check the pop-up that appears, then tap Agree (only on the initial backup).
  5. Enter your password and check the important notes about passwords, then tap Continue.
  6. After the backup finishes, tap OK.

After the initial backup finishes, you'll receive a completion message from the LYP Premium (LYPプレミアム) official account (Japan)/LINE Premium (LINE พรีเมียม) official account (Thailand).


If you tap Stop backup during the initial backup to force it to quit, you can restart the initial backup.

Note: You can use this feature on version 15.20.0 or later of LINE for iOS or version 26.0.0 or later of LINE for Android. (Update to the latest version of LINE.)

Restarting an initial backup
  1. Open LINE from the main device you can access LINE on.
  2. Tap the Home tab > Settings > Chat history backup.
  3. Tap Resume initial backup > Resume.
Note: This feature can be used once every 24 hours.

Resolving issues

If your initial backup is paused

Skip backing up any messages that have issues. The backup will resume without the affected messages.

  1. Tap Check sections or Check errors.
  2. Check the messages that have errors.
  3. Tap Skip to resume backup.

If an error occurs during the initial backup

Please proceed by following the on-screen guidance. Once the issue is resolved, the backup will continue. If the issue persists due to an unknown error, please restart the initial backup.

Restoring your backed up chat history

You can restore your backed up chat history if your device is damaged or you change models. Please refer to the information below.

If you're transferring your LINE account

If you're transferring your LINE account with a phone number or QR code

Tap Restore chat history on the "Restore chat history" screen.

If you're transferring your LINE account with an Apple ID or Google account

On the "Enter your LINE password" screen, enter your password and tap Continue > Restore chat history.

If you skipped restoring your backup while transferring your LINE account
  1. Open LINE from the main device you can access LINE on.
  2. Tap the Home tab > Settings > Chat history backup.
  3. Tap Restore.
  4. Tap Restore.

If the restoration is paused

Select Retry or Skip on the Restore status screen by following the steps below.

  1. Open LINE from the main device you can access LINE on.
  2. Tap the Home tab > Settings > Chat history backup.
  3. Tap Check restore status.
  4. Tap Retry or Skip.

Managing your storage

If your stored data reaches 100 GB, new media (photos, videos, files, and voice messages) in your chat history will stop being backed up.


Delete unneeded data on the Manage storage screen to free up space.

Note: Be aware that deleted data cannot be restored.


Once you've freed up storage space, backups will automatically start again.