You can use this function when the file’s volume is not enough to watch.
[Boost one file only]
1


Press the settings button, after tapping the screen.

2


Tap the Audio button and slide to your preference.
* The boost only adjust certain video and it save automatically.

[Boost all files]
1

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Tap Settings at the bottom and select Audio.

2

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Adjust the boost level as you want.

※ Although you boost all files, the boost level applied to one file takes precedence.