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Support Help to Activate Samsung Galaxy S2 at at&t

Discussion in 'Android Devices' started by mandysandra, Aug 18, 2011.

  1. mandysandra

    mandysandra Lurker
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    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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  2. jaliy

    jaliy Android Expert
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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
     
  3. 3waygeek

    3waygeek Well-Known Member
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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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