The only official way around this is to your device to a specific, older version of ColorOS, like ColorOS 11.3 or below [19†L11-L13]. Oppo provides an official tool called "Color OS Assistant" for this purpose. The downgrade process can be lengthy and will wipe your data, so you must follow the instructions meticulously [19†L13-L21].
Run the following command:
Here is why:
Modding an Android device brings exciting custom software benefits, but it also comes with risks. Oppo users often encounter the frustrating error message: This error stops the bootloader unlocking process completely. the serial is not match fastboot unlock verify fail oppo