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Back up your dataUse Backup manager to back up your data, such
as messages, contacts, and tasks to My files.
If necessary, you can restore them to your phone.
To back up your data
In Menu mode, select 1. Settings → Backup
manager.
Select 2. Backup.
Select a category and select items to back up.3.
Select 4. Backup.
The data will be saved in My files by default.
To restore your data
In Menu mode, select 1. Settings → Backup
manager.
Select 2. Register.
Select a category and select items to restore.3.
Select a restore option, such as 4. Register to
Contacts or Register to Messages.