What's the SIM unlock policy for Verizon, T-Mobile or AT&T? These are each carrier's current device unlock policy as of 2026.

Verizon is making it significantly more difficult to switch carriers by locking your iPhone or Android phone for much longer than before.

Forgetting a changed passcode, too many wrong tries, a cracked screen or someone else changing it can leave your iPhone disabled; most fixes will factory‑reset the device, so make sure your data is ...