If the built-in feature doesn’t work for you, or if you’re not comfortable with the process, you can use third-party software to remove the user lock. One popular option is the Oppo Unlock Tool.
If none of the above methods work for you, you can contact Oppo support for assistance. They may be able to provide you with additional guidance or help you remove the user lock. oppo pchm10 userlock remove
Oppo PCHM10 User Lock Removal Guide: Unlock Your Device Easily** If the built-in feature doesn’t work for you,