How To Hard Reset (Factory Reset) LG Optimus L40 (D160/D170) by hardware buttons
- See more at: http://www.factoryresets.com/2015/03/how-to-hard-reset-lg-optimus-l40.html#sthash.440AjUuM.dpuf
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- Make sure the battery fully charged
- Backup all your important data
- Power Off Your LG Optimus L40 (D160/D170)
- Press And Hold Volume Down + Power Key Now You Will see a LG logo on screen
- Release Power key, and then immediately press the Power key again
- Use the Volume keys to navigate to YES or NO
- Hit the Power button to confirm your selection
- Use the Volume keys again to reselect your confirmation.
- At last hit the Power button to confirm the reset.
- That is all !
- See more at: http://www.factoryresets.com/2015/03/how-to-hard-reset-lg-optimus-l40.html#sthash.440AjUuM.dpuf
