Samsung Galaxy Note 4 - Touch Key Light Duration; Increase Touch Sensitivity

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Display SettingsSettings
Touch Key Light Duration
Set the length of time Recent and Back
remain lit after you touch them.
1. From a Home screen, tap
Apps > Settings
> Device.
2. Tap Display > Touch key light duration to
choose a timeout period.
Increase Touch Sensitivity
Increase the sensitivity of the touch screen to
improve results when wearing gloves.
1. From a Home screen, tap
Apps > Settings
> Device.
2. Tap Display > Increase touch sensitivity to turn
the feature on.