Wow alot of people mentioned the iphone but yes - it is a Cingular only phone from what I know, and I am a T-Mobile customer for over 7 years so I won't be switching

Plus, we had some SERIOUS, ON GOING issues with Cingular a couple of years ago when my husband had his cell phone through them at work - so to be quite honest I won't ever deal with those people again. They made me SO angry and to make a long story short we lost over $200 with them - it was a HUGE mess that they REFUSED to fix and I was being told for about SIX MONTHS that the problem was going to be taken care of and then at the end (after what seemed like 900 phone calls I made to them) - they didn't do ANYTHING at all to help us, and we lost a big chunk of change that we SHOULDN'T of lost. I have NEVER had issues like that with T-Mobile and they have always had great customer service in the over 7 years that I have been with them, plus I have an AWESOME plan that you can't get anymore as it is a preferred customer plan that I signed up for about 2 years ago - so I will always have my service with them. Plus, everyone in my family uses them, so we can all talk for free