Long-time no restarting will cause some unexpected issues on your iPhone, such as iPhone live wallpaper not working, iPhone screen recording not working or iPhone auto-brightness not working here.

Go to 'Settings' > 'General' > 'Accessibility' > 'Display Accommodations' > turn off 'Reduce White Point'. There is a setting called Reduce White Point on your iPhone that will reduce the intensity of bright colors on your device and then you will have a dim screen. Read on and use the effective solutions below to fix iPhone brightness not working after iOS 11. New iOS update may cause various system-related problems, such as iPhone keeps restarting, or iPhone alarm/notification/flashlight not working properly. 5 top tips to fix iPhone brightness not working in iOS 11 In this article, we will show you what to do if your iPhone brightness not working in iOS 11 with the situation above. Can anyone help me to fix this issue and I need my iPhone auto-brightness works again! Thanks!'Īctually, many users have encountered various iPhone brightness problems after updating to iOS 11, including iPhone screen is too dark while the brightness level is all the way up, iPhone auto-brightness not working, and iPhone brightness won't go up. 'I am pretty happy with my new iPhone 8, but the auto-brightness is NOT working properly! Kinda irritating as I have to manually set things every time I get into a dark room and then out, and into the sunlight etc.

Brightness setting not working