Thread: My phone works only on T-Mobile sim and not on AT&T
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mobiledivide is offline mobiledivide
2010-04-28 , 14:09
Posts: 751 | Thanked: 522 times | Joined on Mar 2007 @ East Gowanus
#4
In your phone settings for the N900 make sure that the network mode is set to GSM or Dual and not to 3G. The N900 only runs on ATT's EDGE network so your data transfer speeds will be slow.
 

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