How to factory reset HTC Desire 820? How to wipe all data in HTC Desire 820? How to bypass screen lock in HTC Desire 820? How to restore defaults in HTC Desire 820?
The following tutorial shows all method of master reset HTC Desire 820. Check out how to accomplish hard reset by hardware keys and Android 5.1 Lollipop settings. As a result your HTC Desire 820 will be as new and your Qualcomm Snapdragon 615 MSM8939 core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.