Ultra24 screen dims due to overheating?

[CxMarie]

I recently got the ultra 24 and today my brightness randomly lowered itself (adaptive brightness is off) and when I tried to turn it back up it said it could not increase brightness further due to temperature issues? 

My phone does feel warm but like what is going on? How do I fix this? 

[Glenntech]

Is it warm all the time or while you are using it?
Are you using a processor intensive app etc?
Are you in a warm environment?

Without knowing the circumstances, I'd probably start with Wiping the Partition Cashe on the phone.
Maybe see if there's an app or theme that's using an unusual amount of battery power in Battery and device care

[6485]

I'm sticking to s23 ultra for now what a fantastic 👌 phone

[steve0]

install the samsung app -"good guardians"  available on the samsung galaxy store app.

this app is a gateway to several other samsung apps - one of them is thermal guardian. This  tracks the temperature of your phone. When it exceeds the temperature threshold it reports the five top processes  running at that time or  the issue that is causing the over heating. Give it a try - it might reveal the problem

[S24 ultra4]

Happens with me every time using phone in sun after some time the screen gets dim, its so frustrating. Can't see the screen properly,  whats the pint of 2600 nits brightness 

[Outpost43]

I also have this issue with my Samsung Galaxy S24.

The screen gets dim, almost unreadable, because of the high temperature reached by the device. Temperature which goes high for no apparent reason while normally using the device.

I tried to analyse the problem futher and eventually I posted my experience in a long post in another thread of this forum.

I strongly believe there is an issue with the phone firmware or hardware.

I have been experiencing this for more than 7 weeks.

[S24 ultra4]

Samsung fooling people, i was so annoyed with screen dimming, you just can't see screen in sun, how to take photographs. Claiming snapdragon keeps the phone cool, sometimes i feel samsung giving exinos  and claiming it to be snapdragon 

[JadedJak]

This is the solution. Once the Thermal Guardian module is installed go to "Additional Settings" and uncheck "Decrease maximum brightness...". You can also increase the threshold a little bit as well. 

[S24 ultra4]

Can you elaborate please, how to do that

[Clo292311]

This worked immediately. Thank you!