Carriers also won't unlock a phone if it has been ... carriers "piggyback" on larger networks. AT&T phones are compatible with Consumer Cellular, for example.) Buying a used phone?

When the FCC proposed the 60-day unlocking rule in July 2024, the agency criticized T-Mobile for locking prepaid phones for a year. The NPRM pointed out that "T-Mobile recently increased its locking ...

Cracking into Mayor Eric Adams’ encrypted cell phone is ... contents of his phone due to the investigation.” He says he then forgot the new passcode, which left the phone locked, according ...