OPPO Care - #OPPOSkill How to reset your password using email? 🔲 To bind email address, Go to [Settings] > [Fingerprint, Face & Passcode] > [Privacy Passcode] and enter the encryption code
How to enable App sources other than Google Play in OPPO A11x? - HardReset.info
Turn use of phone lock code on or off - OPPO R7 - Optus