Summary Firmware Ver 46.1 Ensure latest Device Manager is installed. For Win XP (SP2) or Vista. Visit http://www.philips.com/support for details. Software/driver information Firmware Ver 46.1 for SA51xx Benefits Performance improvement & various bugs fixed. Compatibility WinXP(SP2) or Vista with Device Manager Do I need the software? Check current version on device UI >Settings->Information->Information Summary ">If Firmware Ver reads 46.1 you have the latest version, no need to update" How to download the firmware to your PC Use Device Manager (DM) to download & install the update How to update your device >Internet connection required 1. Connect device to the PC with the USB cable 2. Run Device Manager (start>programs>Philips Device Manager) 3. Click Update in DM 4. Follow onscreen instructions to update Firmware update history Launch Version 19.5 Firmware update version 31.3 tions to update Firmware update history 1.11 Improvement on JPEG file generation in preview page and resolve the problem of photo mis-match"