Apple IPhone 12 Brightness can be kept in full brightness mode
I’m unable to keep my IPhone 12 in full brightness
iPhone 12, iOS 15
Probably you have turned on Night Shift
- Open Control Center. Firmly press the Brightness control icon, then tap to turn Night Shift on or off.
- Go to Settings > Display & Brightness > Night Shift. 2 On the same screen, you can schedule a time for Night Shift to turn on automatically and adjust color temperature.
Use Night Shift on your iPhone, iPad, and iPod touch - Apple ...