Hewlett Packard have just announced a new ROM update is available for your HP 4150 IPAQ **** PLEASE NOTE IT WILL DELETE EVERYTHING INSTALLED ON THE INTERNAL MEMORY ****
The update is available from
http://hp-newsletter.m0.net/m/s.asp?HB11784487988X3858545X440411
Do not try to attempt to load this on any other model of IPAQ
Fixes

- Connectivity:
- Fixes issue with the JavaScript event handler enabling it to operate correctly.
- Enables Microsoft Pocket Internet Explorer to use cached pages when offline, even for local servers.
- Contacts:
- Removes duplicate radio telephone number from Contacts List view.
- Localization:
- Fixes issues where errant character was inserted by Action button on KOR model.
- Settings:
- Enables handheld to properly return to Power Off state after an alarm.
Enhancements

- Includes HP iPAQ Image Zone Software version 1.15.002.
- Updates Asset Viewer to display the Wireless LAN (WLAN) Driver version.
- Updates HP Enroll application.
- Connectivity:
- Adds support for Wireless Protective Access (WPA).
- Adds ability to configure Accept header for Microsoft Pocket Internet Explorer.
- Improves wireless connectivity technologies.
- Contacts: Sorts contacts according to the Country selected in Regional Settings.
- Instant Messenger: Adds Instant Messenger (IM) sign in.
- Localization:
- Adds ability to enter full IP address for DNS entry in Spanish.
- Adds ability to save contacts with Far East characters in both first and last names.
- Adds ability to use partial Cyrillic name to find contacts.
- Enables Korean (KOR) keyboard to support ‘~’ character.
- Updates the WLAN country code setting to support additional WLAN channels for French and Spanish.
- Settings: Enables CHT owner information to be shown on Power-On.
- Shell:
- Improves USB reliability.
- Adds use of high-quality MIDI playback for alarms and meeting reminders.
- Improves data integrity when file system is near maximum capacity
This information was taken from Hewlett Packard's website and is copyrighted to them.