Contact your carrier to make sure that the unlock was applied in your carrier's system.Restore your iPhone to factory settings.Please insert the SIM card that came with your iPhone or visit a supported carrier store." This may include starting/stopping your engine or locking/unlocking your. Only compatible SIM cards from a supported carrier may be used to activate iPhone. Keep track of service visit status once youve checked in (dealer participation. "The SIM card inserted in this iPhone does not appear to be supported. How to unlock your iPhone for use with another carrier - Apple Supportįollow these steps if you have any issues or if you see this message in iTunes or on your device: Upon using this app, the AT&T lock will be released, and youd be able to use your AT&T Nokia Phone on another Service Provider. What does the iPhone Profile list my phone as being? Is it showing up as unlocked or is it still locked? In the event that you haven't already done the steps listed in the following article, I will just post this as well. When I tried to get my iPhone 4 unlocked after my. You should be able to call in and explain that you have just had your iPhone unlocked through Sprint, but are having trouble using it on a supported carrier. If this is AT&Ts official policy, it sure hasnt been communicated to anybody who works in customer service. You can Contact Apple for support and service - Apple Support and confirm as to whether or not the iPhone was unlocked. I'm now thinking the model of the phone isn't the issue (despite an apple employee telling me this, but I've gotten conflicted answers from them) and that it's possible Sprint is not being truthful about unlocking my phone. I receive an activation error, however I just tried with Verizon and got the same error as well. GetHuman has been working for over 10 years on sourcing information about big organizations like AT&T that helps customers resolve customer service issues.