The error message "the serial is not match fastboot unlock verify fail" is a security restriction found on (Oplus group) devices.
Before hitting it with a hammer, let’s understand the code. The error message "the serial is not match
: In some cases, a short-circuit in the volume buttons can trick the device into trying to enter a restricted boot mode, triggering the verify fail message. Common Solutions and Bypasses If the motherboard or other components were replaced,