Thanks for the help
But instead of doing that I did a search on the internet on the "Mobile Device User Agents" http://www.cantoni.org/2005/02/03/mobile-ua and found what I needed
Mozilla/4.0 (compatible; MSIE 4.01; Windows CE; O2 Xda 2mini; PPC; 240x320)
Mozilla/4.0 (compatible; MSIE 4.01; Windows CE; O2 Xda 2s;PPC;240x320; PPC; 240x320)
Mozilla/4.0 (compatible; MSIE 4.01; Windows CE; O2 Xda II;PPC;240x320)
Thanks :)