The device will check for any available official ColorOS/Android patches.
: These updates are not made by OPPO and may contain bugs in the camera, fingerprint sensor, or battery management. How to Check for the Latest Official Update
: You must unlock your bootloader and install a custom recovery like TWRP .
If you still want to experiment with a custom ROM (unofficial), here are the general steps — but note this requires , custom recovery (TWRP) , and will void your warranty (if any remains), break OTA updates, and may cause instability.
