Hard Reset LG LS840 Viper 4G LTE

  1. Handset has to be switched off. Hard Reset LG LS840 Viper 4G LTE
  2. Press Volume Down + Power button for about 10 seconds. HardReset LG LS840 Viper 4G LTE
  3. When LG logo will appear on screen release both buttons.
  4. Whole process has to be confirmed to do it press Power button twice. Hard Reset LG LS840 Viper 4G LTE
  5. Device will restart, after that you can work on device.

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

Help! This doesn't work