Why my brightenss not work

Why When I make the screen brightness higher or lower, it stays the same . Please I need your help tell me how can I fixing this problem

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Hi @nermin0711 ,

Did you try 3rd. party application from Google Play?

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@lucasjak what do you mean by 3rd

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@lucasjak no never but should I download this app?

If your answer yes why my phone can't do this mission ? this first time I saw this problem. Why my phone can not raise and brighten the brightness

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@nermin0711 Try to download this app and then write if it's working or not :)

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