What happens when oppo erases all the contents and settings?

you can go to the phone 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 lock screen password, you need to enter the lock screen password for verification before clearing the phone data. )

1. Restore wireless settings: only restore WLAN. Bluetooth and mobile data network

2. Restore only system settings: Restore only system settings (all system settings in settings)

3. Clear downloaded applications and application data: Clear your downloaded applications and application data (keep music, photos and other data)

4. Clear all data completely: Clear all data (including photos and music) in your mobile phone and restore system settings

. Clear phone contacts and call records: only clear phone contacts and call records, but keep SIM card contacts

6. Clear phone short messages and MMS: only clear phone short messages and MMS, but keep SIM card short messages

Tips:

① Pay attention to backing up phone contacts, SMS, photos and applications before returning to the factory to avoid losing important information.

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 storage or computer for saving.

this answer is applicable to all OPPO models.