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Thread: use ATT phone sim card in unlocked Tmobile umg181 usb webconnect card?

  1. #1
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    use ATT phone sim card in unlocked Tmobile umg181 usb webconnect card?

    I have a tmobile umg181, i could purchase an unlock code.
    Would an ATT sim card that works in a mobile phone with internet work on the umg181?
    if so is there is any aditional steps?
    i tried searching couldn't find anything.

  2. #2
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    I've used an AT&T sim in my UMG181, and it works make calls and send/receive sms... but I don't have an AT&T data plan so I could not try data. It seems like data should work too, though you probably wouldn't get 3g.

  3. #3
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    You definitely would not get 3G. You would be stuck on Edge. Different frequencies.

    Sent from my Straight Talk HTC Inspire using the Howard Forums app

  4. #4
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    You will not be able to use AT&T's 3G network with the umg181. T-mobile's 3G (and its 3G devices) run in the AWS band; AT&T's 3G runs in the Cellular and PCS bands.

    however, the umg181 supports AT&T's 2G network (not very fast; quite slow actually)

  5. #5
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    Quote Originally Posted by dnes View Post
    I've used an AT&T sim in my UMG181, and it works make calls and send/receive sms... but I don't have an AT&T data plan so I could not try data. It seems like data should work too, though you probably wouldn't get 3g.
    Just curious how do you make calls on a data card?

  6. #6
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    Skype?.....

    Sent from my Straight Talk HTC Inspire using the Howard Forums app

  7. #7
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    Well you can use it like a modem... though I never got the voice to work. So I can dial or answer calls (and use up minutes! ) but can't say or hear anything.

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