※ This teaching is only for Nexus 7, none of the ZenFone / ZenPad model.
Please follow below steps to turn on system UI Tuner.
1. Slide down from the top of the screen to open the quick setting menu.
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2. Tap and hold the " Settings " at least 5 seconds to access the Setting page.
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3. Tap and start System UI Tuner.
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