If the screen is frozen or you cannot access Settings:
If the phone is locked down and won't let you into settings, you can force a reset using , provided a Google account is logged in. oppo demo mode remove
Technicians sometimes use hidden dialer codes to access diagnostic or reset menus. You can try opening the phone dialer and entering If the screen is frozen or you cannot
. The phone will automatically reboot into Recovery Mode, perform a factory reset, and restart as a normal device. Method 2: Dialer Code Bypass you can force a reset using