Brighteness issue, it sometimes goes down

[JohnFrusciante]

Hi, I always stay with autobrighteness disabled and I usually use 100% brightness value.
I noticed a strange issue, sometimes the brighteness goes down and after some seconds it returns to its full 100%.
It even happen when my phone is cold and I would to know if anyone have same problem or if it is normal.

Pleaseell us some basic information before asking for help:
Model Name: Rog 3 WW
Firmware Version: 78
Rooted or not:
Frequency of Occurrence:
APP Name & APP Version (If your issue relates to the app):
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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[ark9127]

I had also observed this. It happened randomly which automatically sets the brightness to 0%.

[JohnFrusciante]

Sometimes brighteness goes down but the value remain at 100%..similar to iPhone when it becomes hot and safety system turn it in darker brightness..but my Rog sometimes does it when cold

[JohnFrusciante]

@Anders_ASUS is it normal or I have to contact assistance? I have disabled autobrighteness, I have disabled screen smart adaptive , battery is on balanced mode, with 100% brightness it turns down and up automatically but remaining on 100% value and it is not a safety system because temperature is very low. It is very annoying because it happens very often.. playing games, reading pages on internet etc...what can I do to fix it??

[Gustav_ASUS]

That sounds strange. What's your display sleep timer set to? It might also be that HBM kicks in, but I think we should log your device so our devs can take a closer look.