For customization on Oppo A16 without unlock, use + non-root apps (e.g., custom launcher, icon packs, wireless ADB commands).
Tap on seven times until you see a "You are now a developer!" message. Unlock Bootloader Oppo A16
As of 2025, Oppo has officially removed the "Deep Testing" app for many legacy MediaTek devices like the A16. Below, I will detail the official method (if still available) and the unofficial exploits required to get the job done. For customization on Oppo A16 without unlock, use
Unlocking the bootloader on your Oppo A16 gives you: use + non-root apps (e.g.