It sounds like you're looking for a guide on how to use GSMOneInfo APK, which is primarily used for bypassing Factory Reset Protection (FRP) on Android devices. This tool is part of a category of "one-click" utilities designed to unlock devices when you've forgotten your Google account credentials after a factory reset.
What is GSM One Info APK Better?
The "Better" version includes a heuristic scanner that compares the reported IMEI against the physical motherboard ID. This is a game-changer for spotting: