okay so i have a Samsung SGH-A707 for AT&T. i now have T-Mobile, i have the unlock...

A

akga'dsjg'adfklah

New member
...code but? i was wondering if my t-mobile sim card will work on the phone? its not a 3G sim card and i heard that it had to be a 3G one.. is that true? or will mine work?
 
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