System updates
1. Enter Settings >Software update Then the system starts to check
for updates.
2. Follow the instructions to download and update.
* If your device is up to date, you will not see the instructions.
Backup and Restore
Create a backup or recovery when needed.
Backup and restore by Clone phone.
Refer to Clone phone for more information.
Use Google drive for backup and recovery.
Create backup
1. Access Settings > Accounts, login Google account and enable
Account sync.
2. Wait for the system to complete synchronization automatically.
3. Use the Wi-Fi network to back up your device as the data size may
be too large to back up using mobile data.