Learn how to unlock an iPhone running Apple iOS 15 for use with other carriers' SIM cards.
- Check if your device is eligible and contact us to request the unlock.
- Choose how you want to unlock your device:
Use a non-T-Mobile SIM
- Insert the SIM into the iPhone.
- 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 steps below.
If you don't have another SIM
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