Erase all data off the HTC Hero smartphone if you want to start fresh with the factory defaults.
1. Turn the phone off.
2. Press and hold Home and Back.
3. While continuing to hold the buttons, press the Power button.
Optionally, you can also do the following steps.
1. Press Home > Menu.
2. Tap Settings.
3. Tap Security.
4. Tap Factory data reset.
5. Tap Reset phone.
6. Tap Erase everything.