IIRC on modern Android phones, doing this will prompt you to log into the original Google account when setting it up after resetting. If you can't log in, the p

IIRC on modern Android phones, doing this will prompt you to log into the original Google account when setting it up after resetting. If you can't log in, the phone is effectively still locked. It's supposed to be an anti-theft measure so that thieves can't just factory reset and make the phone useful again Edit: This feature is called Factory Reset Protection, read more at https://support.google.com/android/answer/9459346?hl=en https://support.google.com/android/answer/9459346?hl=en > If you can't give this information during setup, you won't be able to use the device at all after factory reset.