2. Pressing the Volume Up and Power buttons at the same time for a few seconds
3. After the ZTE logo appears on the screen, you can release the keys
4. Select the "wipe data / factory reset" menu item, the Volume Up / Down keys are used to navigate the menu, and the Power key is used to confirm the selection
5. In the menu, go to the line "yes" and press the Power button
6. You must go to item "reboot system now"
7. Hard Reset procedure completed
User questions and comments about hard reset ZTE X990