NOTE - performing a hard reset on the Hero will erase all user data and applications on the device and return the unit to a factory-default state.

• Power the unit off (removing the battery if necessary)
• Hold down the Home and Back keys
• Press the power button whilst still holding down the Home and Back keys
• After a few seconds a message will be displayed on the screen prompting you to press the Menu button to confirm the reset process.
• Release all buttons, then press the Menu button to hard reset the device

After a few moments your device will boot and display the welcome wizard.