Oppo does not provide an official tool to unlock the bootloader.
Assuming you have successfully unlocked the bootloader (by following the instructions in the "OPPO MediaTek Notes" or a similar guide), here is a conceptual overview of the GSI flashing process: oppo reno 2 custom rom
The interface was unrecognizable—clean, minimalist, and incredibly fast. He tapped the camera app, and with a soft, mechanical whir , the rose from the frame like a submarine’s periscope. It worked. No bloat, no tracking, just pure Android speed. Oppo does not provide an official tool to
This makes the selection of GSIs vast, including: and with a soft