How To Unlock A Sim Card On An Iphone 10 Steps With Pictures

If this slider is white, your SIM card is unlocked already.

Sprint Customer Service - 1 (888) 211-4727 AT&T Customer Service - 1 (800) 331-0500 Verizon Customer Service - 1 (877)-746-0909 T-Mobile Customer Service - 1 (800) 922-0204 Make sure you have your carrier account PIN on hand so that you can verify your identity.

You may have to wait for up to several hours to get in touch with a representative.

The unlock code is officially known as a “PUK” if your SIM card is now locked because of too many failed PIN entries.