HP has release a ROM update containing some fixes that benefit wireless LAN users:
Corrects issue where the handheld fails to switch between access points with different index keys.
Corrects communication issue with Cisco Access Points that have Aironet Extensions activated.
Corrects issue where the handheld fails to reconnect to an access pointwith Wi-Fi Protected Access (WPA) enabled.
Corrects roaming issue between an open access point and an access pointwith WPA Pre-Shared Key version (WPA-PSK) enabled.
This update requires ROM Version 1.10.xx. If ROM version 1.10.xx is not installed, download and install SoftPaq Number SP28385 for an iPAQ Pocket PC h4100 Series handheld or SoftPaq Number SP28375 for an iPAQ Pocket PC h4300 Series handheld BEFORE installing this ROM update.