: Go to the Phone app > Settings > Blocked numbers . Tap the X next to the number you wish to unblock.
: Visit your carrier’s website or use their mobile app to submit an unlock request. Once approved, you simply insert a new SIM card or download an eSIM. 2. How to Unblock a Locked Screen (Forgot Passcode) unblock phones
If your phone is "blocked" and cannot access any cellular network, it usually means its IMEI number has been blacklisted or requires official registration. : Go to the Phone app > Settings > Blocked numbers