>I have iPaq Pocket PC. How do I find out if the OS on it is PocketPC 2002 or PocketPC 2003?
>
>When I go to About | Settings | Version, it says Version 4.20.0 (Build 14053). Anyway to determine more specifically the version of OS?

It's PPC 2005. PPC 2002 is version 3.xx. You're lucky! ;-)