- 07-04-2011, 09:06 AM #2my Galaxy S2 GT-I9100
- 07-04-2011, 10:36 PM #4
First of all, what website are you planning to buy it from? Find out if it runs on 850/1900Mhz, those are the two frequencies at&t 3G network runs on.
About unlocking, make sure you get it unlocked, otherwise the at&t SIM will not work.
PS: remeber 850/1900Mhz 3G bands
Sent from my GT-I9100my Galaxy S2 GT-I9100