1. Using the Power button - turn off the smartphone
2. Press and hold the Volume Up and Power buttons for a few seconds
3. After the HTC logo appears on the screen, you can release all the keys
4. Press the Volume Up and Power buttons to open Recovery Mode
5. In the menu, go to "wipe data / factory reset", the Volume Up / Down keys are used to navigate the menu, and the Power key to confirm the choice made
6. Move the cursor to the "yes" menu item and press the Power button
7. In the menu, go to "reboot system now"
8. Data reset operation completed
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