In order to hard reset a O2 XDA Orbit II, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
O2 XDA Orbit II device will be brought back to the default configuration of a brand new device.
1. Press-hold the Power button to turn on the phone.
2. Now press & hold the GPS and Internet Explorer buttons simultaneously.
3. Keep holding them. Take out the stylus and insert it into the Reset button hole.
4. Further instructions will appear on-screen. Please follow them. That is all.