How to adjust Touch key light duration in Samsung Galaxy Grand2(SM-G7102)?
STEP 1. GETTING STARTED
a). Tap on Apps icon as shown below.
b). Now tap on Settings and then tap on Device as shown below.
STEP 2. ADJUSTING TOUCH KEY LIGHT DURATION
c). Now, tap on Display option as shown below.
d). Tap on Touch key light duration option as shown below.
e). Now, tap on suitable Touch key light duration (for example: 6 seconds) from the list as shown below.
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