How does Redmi 6por hide the key?

Redmi 6por can hide the key in the following ways:

1, enter the phone settings, slide down to find the full screen option, and click Enter;

2. After entering the full-screen interface, cancel the classic navigation key and click to select the full-screen gesture;

3. Open the following application full-screen running settings, you can set the personality of a single program and turn on the software switch that needs full screen.

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