Spontaneous decrease in screen brightness miui v12.5.4.0, v13.0.5.0, v14.0.3.0 (not auto brightness) #248

Hello, I would really like to add such a function to the customiuizer program. I’ll describe the situation now, but I’m not talking about auto-brightness, I’ve already checked that, it doesn’t solve the problem, in general there’s this problem: the screen resets the brightness by itself. The brightness is somewhere around 90%, auto-brightness is disabled, daylight is disabled (I tried turning it on, it doesn’t help), I tried different color schemes, in the “Bright” mode the brightness drops, in the “Saturated” mode too, in the “Standard” too. It happens like this, there are no heavy loads, just reading the Internet, for example, I read the news for about 10 minutes and everything is fine, I read further and gradually begin to notice that the brightness has decreased a little, while the brightness slider is in place. This is terribly annoying. I need to set the brightness I need and that it does not change at all, that is, it should not change at all. I searched the Internet for a problem with screen brightness and it turned out that this problem bothers many people; a lot of people cannot solve this problem. If you ask about ambient light, it is static, I am in a room, the light from the lamp is the same, or when I lie down and read the news, there is complete darkness around. The first time I noticed this was when I had Android 11 and miui v12.5.4.0 RKPIDXM, then I updated the phone to Android 12 with miui v13.0.5.0 SKPIDXM and found that the problem remained, after that I updated to Android 13 with miui v14 .0.3.0 TKPIDXM and also noticed this problem. Updated through 3 points. Then I decided to switch again to Android 12 with miui v13.0.5.0 SKPIDXM and did a full reset of the phone, but the problem persists. I tried to install customiuizer, but there I only found a function for fixing auto-brightness, but even after fixing, gradually, as described above, the brightness decreases, but the brightness slider remains in place. Dear developer, if you can, please add a feature that fixes this problem. I want to use only one fixed brightness that is convenient for me, I don’t need the phone to adjust anything and prevent me from using the device, these brightness changes are very annoying. I've been trying to solve this problem for several days, but nothing works. I'm not the only one complaining about this, a lot of people can't solve this and it would be very good if this functionality was added to customiuizer. Thank you.

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Spontaneous decrease in screen brightness miui v12.5.4.0, v13.0.5.0, v14.0.3.0 (not auto brightness) #248