You can find the English version of ROM Update 2.10 for H39xx series on-line. Visit the HP site for more info and download the update (14.2 Mb).
The new ROM requires a hard reset, so make a backup before installing it! You'll have to reinstall everything after.
The fix and enhancements are:
• Backlight turned off after screen toggle
• 'Expansion Pack'title freezing on screen after soft reset
• Early termination of NOTES recording
• Popping noises at end of wav file playback
• Screen refresh after soft reset while in a jacket
• Bust'em audio fix
• Distorted audio when bass is increased
• MS (EUU3) End User Update 3
• SDIO driver updates
• SD driver updates
• IPSM driver updates
• iPAQ Backup version change
• iTASK updates