http://www.siemensjobcam.com/mobile-5-0-ppc/
Can I upgrade to Windows Mobile 6.0 on a Sprint PPC 6700?
It comes with WM 5.0 preinstalled
No. 6.0 is not available for the 6700. They want you to upgrade to the XV6800. ….. Its all about the box.
HP ipaq Pocket PC with Windows Mobile 5.0