Cingular 2125
The Cingular 2125 gives customers the best in connectivity, productivity, and mobility with Windows Mobile 5.0. With the Cingular 2125 smartphone mobile professionals can easily integrate with leading corporate and personal e-mail applications integrated on the phone such as Microsoft Office Outlook Mobile
Operating System: Windows Mobile 5.0 for Smartphone
Processor: TI OMAP 850 200 MHz
The normal smartphone installs should work for this phone, you can use the windows installer (if you have ActiveSync) or the CAB installs to the left.