Since some android version we have built-in "night light" mode that (I just double checked) doesn't affect black on amoled.
Pixel7Pro.
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Since some android version we have built-in "night light" mode that (I just double checked) doesn't affect black on amoled.
Pixel7Pro.
If it's not built into your OS, the only way is to root your device and load a custom ROM (or custom kernel with kcal support) which allows a red tint without affecting blacks. If you don't want to root your device then I'd recommend getting a secondary cheap/used device which is root friendly (eg Pixel or OnePlus) and then load a custom ROM on it, like LineageOS.
Can confirm. This is the main reason I miss having a rooted device.