How to disable pattern lock screen vibration on the LG Optimus L7 II?

i can't turn off vibration in my lock screen
when i want to enter my pattern mode vibration is steel active
even i reset my phone and it would be ok but suddenly i started again
please help me
Phone model : LG Optimus L 7 II p715 dual

In your sound settings, don't you see any option to disable vibrate?

There is no option like uncheck Vibrate on touch with latest update kitkat?

Try this: Go to Settings > Audio/Sound profiles > choose General profile > uncheck Vibrate on touch

Let me know if that works.

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