Screen is auto dimming and very dark
Here is the problem:
If I leave the phone for a couple of minutes with locked screen and then unlock it the screen brightness is normal but if I do something on it the after 2-3 minutes the screen goes very dark. Also the auto brightness is not working. What can be the problem? Maybe temperature sensor or proximity?
The CPU is getting extremely hot and the screen starts dimming. When I try to put my thumb on the CPU to get it cooler the screen is getting back with normal light. Any help about what can cause CPU overheating?
Is this a good question?