In order to hard reset a HP iPAQ rw6828, 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 rw6828 device will be brought back to the default configuration of a brand new device.
1. Turn off the phone.
2. Press'n'hold Send button & End button & Power button and, lastly, Reset button.
3. After a few seconds, phone should reset and restart.