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AT&T Sim Card Does Not Work In My Yingtai D100 bought in Moscow

IMEI 354101000197929

1800 FinLand Makes

AT&T Sim 8901 4103 2122 0595 5703

I am in the Chicago area.

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According to this page, the Yingtai D100 is works over GSM in 800 and 1800 MHz.

AT&T services works over 850 and 1900 MHz.

It seems that your phone won't work with at&t. You still could use on the T-Mobile network (900 and 1900 MHz).

Nice phone by the way!

Good luck!

Posted on Dec 16, 2008

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Get you sim checked in another same model device may be the sin is ghot faulty or it needs any code to be entered in the device after u enter the sim in the device.or it can be internal problem of the device.remove and check where u insert the sim try cleaning that area.or u can contact the service center for this fault in your card.

Posted on Dec 16, 2008

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You will have to contact to service provider to change the sim as there may be a damaged in the sim itself.

Posted on Dec 16, 2008

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Hi there.

what is the exact problem appear on your screen..?

Posted on Dec 16, 2008

  • Elizabeth Krijt
    Elizabeth Krijt Dec 16, 2008

    if the unit has a sim lock, and you try to use other network SIM, it is not possible it will work, you have to unlock / open line the phone first.


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