How to lower the max brightness than allowed in app

How to lower the max brightness than allowed in app

How to lower the max brightness than allowed in app
How to lower the max brightness than allowed in app
Yesterday
Model: Tapo S515D KIT  
Hardware Version:
Firmware Version:

Hi all,

I am trying to set the max brightness level to lower then what's allowed in the app. My lights are flickering in the lowest max brightness level, I need to go a little lower. 

How can I do that?

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