![background image](http://html1.mh-extra.com/html/samsung/sm-f900u/sm-f900u_user-manual_4750801124.webp)
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Converting the screen to greyscale mode
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Settings
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Accessibility
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Vision
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Greyscale
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Reversing the display colours
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Settings
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Accessibility
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Vision
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Negative
colours
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Colour adjustment
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Settings
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Accessibility
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Vision
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Colour adjustment
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Hearing
Sound detectors
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Baby crying detector
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Settings
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Accessibility
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Hearing
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Sound detectors
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Baby crying detector
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