Fix Brightness Or Screen Dimming problem Lenovo Tab S8-50

Hi
For Fix This Problem Follow:
1-Root Device
2-Install "Rom Toolbox Pro" App
3-Open App and go to "App Manager"
4-Go to "Tasks" and touch "System UI"
5-Go to "Advanced" and toch "Advanced Freeze"
6-First item is "Brightness" - disable it
Enjoy
Tested On S8-50LC On lollipop

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