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Old August 17th, 2011, 11:24 PM   #1 (permalink)
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Default Help to Activate Samsung Galaxy S2 at at&t

Hello guys,

My cousin sent me a Samsung Galaxy s2 from England. I'm trying to use it with at&t, but it says no SIM CARD, but when I insert a T-mobile Sim works WELL on that phone. I Went online and looked at tons of information but i'm still confused because it is apparently compatible with T-mobile, but is locked to At&t.

Could someone help me unlock it?

Thanks in advance

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Old August 17th, 2011, 11:42 PM   #2 (permalink)
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u can purchse unlock codes on ebay for around 10 bucks
or u can take it to ur local phone carrier to unlock it for 75, if they do it that is
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Old August 18th, 2011, 06:41 AM   #3 (permalink)
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That does seem strange, since T-Mo uses the 1700/2100 MHz band for 3G/4G data. As far as I know, none of the SGS2's on the market support that band. Sounds to me like the AT&T SIM might be a little flaky. Try it in another phone if you can.
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