Reboot, Update, Backup, Recovery
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Factory reset
Note:
1. Restoring factory settings will wipe all app
data, contacts, text messages, and so on.
Backup important data before a factory reset.
2. If "Erase internal storage" is enabled, ensure
that all important files, such as photos and
documents in the phone and local backup,
have first been copied to another device or
external memory storage devices like hard
disks, Pen drives(USB).
Operating guidelines:
1. Settings > System > Reset options > Erase
all data (factory reset)
2. Tap RESET PHONE
3. Enter passcode.
4. Wait till the factory reset is complete.