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iphonetoday

macrumors regular
Original poster
May 14, 2009
233
0
my iphone is never lock version , could i used 3G with tmobile provider sim 3G ?
they got 3G sim now , but don't know work or not with iphone 4 for data

thanks
 
Your data will work, just not at 3G speeds.

It will default back to EDGE, since T-Mobile's 3G bands are not compatible with the iPhone's.
 
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