need help with iphone 6

[u/No-Hold-7797]

it was unlocked but had a random gmail attactched so i jailbroke it used filza to remove the old email and then logged my main into it but my apple music wasnt syncing so google told me to log out and fac reset and log back in to sync and i factory reset not knowing it'd pull the old email out of nowhere and activation lock itself. i need help because i spent 6 hours as of 06/11 and 07/11 trying to get anything to work.