About the backup PIN

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A backup PIN lets you transfer your chat history when you transfer your LINE account.

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. Tap the Home tab > Settings > Chat history backup under Backup and transfer.
2. Tap Back up now.
3. On the Set your backup PIN screen, enter a six-digit number.
4. Tap right arrow.

Checking/resetting a backup PIN 1. Tap the Home tab > Settings > Chat history backup under Backup and transfer.
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 Reset.
5. Enter your new PIN, then tap Set new PIN.

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.