Seems beta 6 makes my screen go very dark when it detects sun. True Tone and auto brightness don’t fix or help. Worst with low battery as we
Ios 15 beta 6 Screen Brightness Bug
Same. Reboot will fix it temporarily but eventually it dims again.
Just filed a Feedback and I hope others do too! It’s maddening.
iOS 15 beta lost truetone and automatic brightess.
Ditto on my iPhone 11 Pro max
i rebooted it. But now it’s overcast, so I don’t know if it fixed it