Teardowns of the iPhone 4S confirm Qualcomm MDM6610 chipset is in the new phone. This is a upgrade from the Verizon iPhone 4's MDM6600. Which supports T Mobile's 1700 AWS band, but lacked a Sim Card slot. The new 4S supports both CDMA/GSM with a Sim Card slot. I can't see why Apple would pay Qualcomm to upgrade their chipset just to remove the 1700 AWS band. But, you never know especially since there is no information provided by Qualcomm regarding it's new chipset's specifications and Apple is a 40 billion $ company. But I just ask you hackers out there to see if there is any info in the iPhone 4S's baseband files in regards to support for the 1700 mHz spectrum thus finally giving us a hack/ability to get some 3G connectivity to T Mobile !