If you mix these up, the bootloader flags a protocol error as "verify fail."
In standard Android bootloader unlocking (using fastboot oem unlock ), the bootloader generally checks for two things: If you mix these up, the bootloader flags
Before diving into solutions, ensure you have the following: If you mix these up
Lock and unlock the bootloader | Android Open Source Project 2 Dec 2025 — If you mix these up, the bootloader flags