Ask a Cell Phones Question, Get an Answer ASAP!
My name is ***** ***** certified professional with over 10 years experience. I will be glad to assist you with this.
I am sorry to hear that you are having this issue.
Do you already have the AT&T sim card?
okay, you should be able to install the T-mobile sim card and begin using the iPhone.
did that work for you?
Please let me know if you need more help.