Hello Steven:

I had the Iphone, is wonderful BUT, the wireless "locked" AT&T. well, at least in the Phoenix AZ area...SUCKS !!! BIG TIME.
I had more drop calls in 3 weeks than in the last 5 years with Verizon and Sprint.
In the Apple store, management had to install a "buster" signal for the wireless, other wise, could NOT be possible to either make calls or get them.
I wrote several mails to Apple, but is evident that they have a "deal" with AT&T.
Like I said, the phone is GREAT, the service NOT. If you can get a "jailbroken" Iphone, you may use it with T-movil.
I am waiting for other choices, my contract expires at the end of April.

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mdorantes