I bought a 7510 on ebay for use at my charity. I did not need the e-mail function as much as I needed an organizer and phone. The phone says it has 3.7 loaded on it. I tried to download 4.0 to my desktop and could not get it to sync with my Outlook. I can't seem to find the 3.7 version of the desktop manager. Is there some where I can buy it or make the 4.0 work with my phone? Any help would be great.