The Knock-ON feature was first offered on the current flagship, the LG G2. The feature quickly became a hit among those who found it tough to reach the power button to lock/unlock the device, thanks to the rising average screen size. said Mr. Amit Gujral, Marketing head at LG India. Updates on the smartphones listed below will allow users the functionality of Knock-ON:

LG L1 IIL3 IIL4 IIL5 IIL7 II

The Knock-ON enabled update is all set to start seeding this month, so keep checking for updates if any.