Support SUPPORT New to T-Mobile? Switching is easy Set up your device Using the app Sprint Migration Center All get started topics Ways to pay your bill All about your bill Line permissions Your T-Mobile ID Your PIN/Passcode All account resources topics T-Mobile Network In-flight texting and Wi-Fi Wi-Fi Calling International roaming Mobile Without Borders All network & roaming topics Find the right plan Neftlix on Us HotSpot plans Voicemail Use Mobile HotSpot All plans support topics Tutorials Troubleshooting Unlock your device Change your SIM T-Mobile eSIM All device assistance topics Account Hub I-Billing Home Office Internet Collaborate Line permissions All business support topics

Learn how to unlock Apple iOS 12 devices for use with other carriers' SIM cards.

SIM unlock phone

  1. Check if your device is eligible and contact us to request the unlock.
  2. Choose how you want to unlock your device:

Use a non-T-Mobile SIM card

  1. Insert the SIM into the iPhone.
  2. Complete the first-time use process.
    • If the device has already been set up, follow the on-screen instructions to sign into your Apple ID.
    • If you don't get the setup prompt, follow the iTunes steps below.

Use iTunes

  1. Back up your iPhone using iTunes.
  2. When you have a backup, erase all content and settings on your iPhone.
  3. When you see the Welcome screen, connect your device to iTunes.
    If successfully unlocked, the message Congratulations, your iPhone has been unlocked will display.
  4. Use iTunes to restore your iPhone from the backup you just made.

Was this helpful?