Quote:
Originally Posted by mendez777
Wirelessly posted (8100xxx8482;)
7280 device don't support 3G sim card....you have to put it on bold or storm...
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This is not correct. Please check your facts before posting.
The real problem is that the device is from the original AT&T Wireless, and the SIM card you have is from the new at&t Mobility, previously known as Cingular Wireless. AT&T Wireless phones cannot accept Cingular or at&t SIM cards. As such, you will need to get the device unlocked to use a SIM card from the current at&t.