Upgrades
The hx2000 series and some later models are upgradeable to newer versions of Windows Mobile. Upgrades could be purchased from HP. Windows Mobile 2003 could be installed on the H3950, H3970, h5450 and possibly other models of the H3xxx series with sufficient ROM capacity. Other "cooked" roms have been provided by the group known as xda-developers and are available for the hx2000 series, the hx4700 and others. These include Windows Mobile 6.0, 6.1 and 6.5.
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