RGB on Stock Rom (Doubt)

[Joel Oliveira]

how to change the RGB of the screen permanently through the terminal emulator?
I need to change the RGB without using apps, and permanently, so I can sell the mobile without burnscreen.

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[strongst]

how to change the RGB of the screen permanently through the terminal emulator?
I need to change the RGB without using apps, and permanently, so I can sell the mobile without burnscreen.

That's not possible and kind of illegal if you sell a defective device and advertise it as good.

It's been discussed how it works and what you need(search function).