In order to hard reset a HP iPAQ h6320, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
HP iPAQ h6320 device will be brought back to the default configuration of a brand new device.
1. Power down the device.
2. Hold down the Reset & Power buttons for five seconds.
3. The device will now reset and reboot. Well done.