Look for an app named "OPPO Demo," "Retail Mode," or something similar. Tap it and select .
: Go back to the main Settings menu and tap Additional Settings (or System ) > Developer Options . oppo demo mode remove
If demo mode persists, perform a factory reset (backup data first) via . Look for an app named "OPPO Demo," "Retail
: Look for this app in your app drawer. If it’s not there, it may be hidden in Settings > Apps . Access Settings : Tap the gear icon within the app. Enter Unlock Code " "Retail Mode
: If you bought a brand-new, sealed OPPO phone and it boots into demo mode, it’s likely a retail display unit. Legitimate new phones should start with a standard setup wizard.