In order to hard reset a HTC Rezound, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
HTC Rezound device will be brought back to the default configuration of a brand new device.
1. Hi. First of all, switch the phone on by holding down the Power button.
2. Next thing to do is to hold down the Power and Volume Down buttons for a few seconds.
3. Select the wipe data/factory reset option. Use Volume buttons to scroll and Power button to select.
4. The hard reset process is complete. Congratulations.