Oppo mobile phone Sanqing

If you want to know how to restore the factory settings of your mobile phone, here are the operating methods. I hope I can help you ~ you can go to "Settings >"; System settings (other settings) > reset the phone (restore the phone) ",and clear the corresponding content according to the options prompted by the phone.

(If the phone has a screen lock password, you need to enter the screen lock password for verification before you can clear the phone data.

) Restore wireless settings: Restore only WLAN, Bluetooth and mobile data networks; Restore only system settings: Restore only system settings (all system settings in settings) Clear downloaded applications and application data: Clear your downloaded applications and application data (keep music, photos and other data) Clear all data: Clear all data (including photos and music) in your mobile phone and restore system settings Clear mobile phone contacts and call records: Clear only mobile phone contacts and call records, and keep SIM card contacts and clear them. Tips: ① Pay attention to the backup of telephone contacts, short messages, photos and applications before the operation is resumed to avoid the loss of important data.

② if you have previously backed up the data through the functions of "settings > system settings (other settings) > data backup and migration (backup and recovery)", it is recommended that you copy the data to an external memory or computer for saving.

This answer applies to all OPPO models.