About Premium Backup

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Premium Backup lets you back up your chat history, including photos and videos, in real time to 100 GB of storage provided by LINE.

This feature is only available to LYP Premium (Japan) and LINE Premium (Taiwan and Thailand) members on their main devices (typically smartphones).

Note: If you are using LINE on a sub device such as a PC, some Premium Backup features may not be available on that device.

You can also transfer your entire chat history that was backed up after enabling Premium Backup, even when transferring your LINE account between devices with different operating systems (e.g. Android to iOS, iOS to Android).

Attention

A 30-day grace period will apply when you cancel your LYP Premium/LINE Premium membership. Please be aware that once the grace period ends, data saved with Premium Backup will be deleted.
We recommend using Premium Backup with the latest version of LINE.
If you transfer your account to a device running a version of LINE earlier than 15.5.1 in Japan, 15.6.0 in Thailand, or 26.3.0 in Taiwan, you won't be able to use Premium Backup.
Please save your important media (photos, videos, files, and voice messages) separately before setting up Premium Backup or changing devices. Media saved separately outside the LINE app is for your personal storage and is not included in Premium Backup.

About chat history eligible for backups

Chat history that can be backed up

Text messages
Photos
Videos
Files
Voice messages

Useful info

You can transfer up to six months of OpenChat history even without a backup. For details, see Data that can be transferred.

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
During the initial backup, only data saved locally in the LINE app on your main device at the time you perform the backup will be included. (This includes photos, videos, and other data saved in the LINE app's local storage/cache by downloading them after they were sent or received.)
Photos, videos, files, and voice messages that are not saved locally in the LINE app on your main device
Photos, videos, files, and voice messages that were not included in the initial backup
Note: Any data not included in your initial backup won't be added later by automatic backups.
Your chat history from deleted chats
Deleted chats are permanently removed from your LINE account and cannot be restored from subsequent backups, including Premium Backup.

Be advised

Even if you see a media item as a thumbnail, file name, preview, or message in a chat, it may not be included in the backup if it isn't saved locally in the LINE app on your main device. Media saved outside of the LINE app (such as in your device's photo, gallery, or file apps) is not included in LINE backups.
The LINE app's local storage and cache are temporary and may be cleared by your device, operating system, the LINE app, or user actions. This may include media such as photos, videos, files, and voice messages that are temporarily saved in the LINE app on your main device.
Any media that is available at that time but was not included in Premium Backup is subject to the LINE server's temporary storage period. Depending on the file format and service conditions, this media may expire after a certain period of time. In some cases, it may expire sooner than this due to the media type, the status of the related message, storage or security processing, or other technical or service-related limitations.

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 during that period will also be 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 included 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. You also 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 > > Chats > Delete data.

Check your device's storage

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

Make an initial backup

If you're using Premium Backup for the first time, follow the steps below to back up your data.

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.

Be advised

Even if a media item hasn't expired on the LINE server, it might not be included in your initial backup if it isn't saved locally in the LINE app on your main device when you perform the initial backup.
If you back up your chat history using an external recovery tool while the initial backup is in progress, data may be lost. If you're using an external recovery tool, make sure you back up your chat history using the tool after the initial backup is complete.

Making an initial backup

Steps

Open LINE from the main device you can access LINE on.
Tap the Home tab > > Chat history backup.
Tap Back up now.
Check the pop-up that appears, then tap Agree (only on the initial backup).
Enter your password and check the important notes about passwords, then tap Continue.
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 official account (Taiwan and Thailand).

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

Note: If you live in Japan or Thailand, 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

Steps

Open LINE from the main device you can access LINE on.
Tap the Home tab > > Chat history backup.
Tap Resume initial backup > Resume.

Note: This feature can be used once every 24 hours.

Useful info

The time the backup takes varies depending on your network connection and the amount of data to upload. It will complete quickly if you use a Wi-Fi connection and keep the initial backup screen open.
If you tap at the top right of the backup screen, the backup will continue running while you're using LINE as usual.
The backup may also be performed in the background, depending on your device.

Resolving issues

If your initial backup is paused

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

Steps

Tap Check sections or Check errors.
Check the messages that have errors.
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.

Attention

If you transfer your account without finishing the initial backup, you will not be able to back up or restore your data. Make sure to proceed with transferring your account after finishing an initial backup on your previous device.
When the initial backup finishes, a dedicated screen for Premium Backup will appear. Make sure to transfer your account after checking that the following screen is shown.

If you're transferring your LINE account

Be advised

Check the LINE account transfer guide before transferring your account. You may not be able to transfer your account if you try to with another method.
If you transfer your account with an Apple ID or Google account and don't enter the password registered to your LINE account when logging into it, you will not be able to receive Premium Backup services.
If you reset your password while transferring your LINE account, your Premium Backup will be deleted. For this reason, please take care in managing your password.

Transferring with a phone number or QR code

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

Transferring with an Apple ID or Google account

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

Useful info

If you're transferring your LINE account to a different OS (between Android and iOS devices) and the LINE app version on your new device is older than on your previous device, you may not be able to restore your backup.
After you finish transferring your LINE account, update the LINE app, then follow the steps in the If you skipped restoring your backup while transferring your LINE account section.

If you skipped restoring your backup while transferring your LINE account

Steps

Open LINE from the main device you can access LINE on.
Tap the Home tab > > Chat history backup.
Tap Restore.
Tap Restore.

If the restoration is paused

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

Be advised

You won't be able to restore the relevant messages if you skip doing so.

Steps

Open LINE from the main device you can access LINE on.
Tap the Home tab > > Chat history backup.
Tap Check restore status.
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.

Useful info

Your text messages will continue to be backed up even if your stored data exceeds 100 GB.
Some media shared in chats while your storage exceeded 100 GB, as well as media that was shared in chats seven or more days ago, cannot be backed up even after you free up storage space.