Hard Reset ZTE Score

1. First switch on the phone.
   
2. Then press and hold Volume Down + Camera button + Power button.
   
3. Next if you see Android green man with triangle, then press Menu button to enter the Recovery Mode.
   
4. Now from the menu choose option: "Wipe Data/Factory Reset" using Volume buttons to scroll option, and Power button to confirm.
   * If Power button doesn't work, then use Menu key, or Home key.
5. After that select "yes" and confirm.
6. Afterwards accept operation "reboot system now".

WARNING !
Hard Reset will erase all of your data
All described operations you are doing at your own risk.