ActiveSync 4.1 is the latest sync software release for Windows Mobile 5.0 devices. It’s essential that you download this if you’re lucky enough to have a Windows Mobile 5.0 device like the o2 XDA Exec, T-Mobile MDA Vario, Orange SPV M5000 or the SPV C600. Plus you can download it for use with Windows Mobile 2003 devices too.
New features include:
New partnership wizard makes syncing easier
Faster transfer of data files including media
Ability to sync photos assigned to contacts from Outlook on the desktop
Download Activesync 4.1 here