Palm has pushed out an upgrade which included Windows Mobile 6 and enhancements for the AT&T branded Palm Treo 750 smartphone. This update will only be available to download until the 31st of October, so if you want it you’d better get a move on.

Firstly, this particular upgrade is specific to the Palm Treo 750 smartphone and is not compatible with any other mobile phone

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This free to download update from Palm adds Microsoft Windows Mobile 6 Professional operating system, AT&T services, HSDPA support and further enhancements to the Palm Treo 750 such as AT&T Mall, AT&T Music, and Voice Command via Bluetooth wireless technology, USB cable charging, and Active call access.

Source — Palm