Exclamation Please help - need WM5+ on my pda, nowhere installers - i can dump some files

Hi, my main problem is that- i have typhoon myguide 3500 (not the htc typhoon ! ) mobile and i need to give there WM5+, i can give you some dumps for create "install" files of WM5+ if you tell me what to dump, i cant find anything about this device and about any windows mobile for that, please help! thanx for any answer!

EDIT: Maybe the main problem is - i dont know which ROM does i have there, Or which does i have to instal from. Sorry from my english..