
Note: When in Low Power Mode, your iPhone is auto-lock which is restricted to 30 seconds. You can turn this off by following the given instructions. This feature is useful, too, as it will lock your device if you leave it idle for more than 30 seconds or as per your setup time. This Auto-Lock will dim the screen before your iPhone is about to get locked. Check whether the Zoom filter is on or not.Then, disabling the zoom filter can also work if your screen keeps dimming even without auto-brightness. If you have accidentally enabled this feature. Or, you can open the control center and click on the low power mode icon to turn it off. Click on the Toggle switch button to turn it off.Once you turn this off, your display will be back to normal. If you have turned on Low Power Mode, consider disabling this feature. The first thing low power mode will do is reduce your iPhone’s brightness so that it can last longer. However, screen brightness consumes most of the battery. It can be a great feature if you run out of juice on your iPhone as it preserves the battery by disabling some other features and reducing the background activities. Scroll down the screen from the top right corner to open the control center.Or, you can try these steps to turn it off from the control center. Tap on the Toggle Switch button to turn it off.Turning off True Tone will stop your display from fluctuating and will resolve the dimming problem. It’s a hit-and-miss feature that doesn’t always work effectively, causing fluctuations in the brightness of your iPhone’s display. True Tone can also act as an auto-brightness feature that uses sensors to adapt the color and brightness of your display based on the lighting conditions around you. Also, you can turn off Scheduled & Manually Enable Until Tomorrow.You may have unintentionally set the feature to be enabled at the wrong time or during the daytime making your iPhone brightness dimmer. If you have enabled the Night Shift, this will automatically switch your display to warmer color as per your scheduled time, reducing your iPhone’s brightness. Scroll down and Turn off the Auto-Brightness.Here’re the steps to turn on auto-brightness settings on your iPhone: Auto-Brightness helps adjust the brightness levels depending on your surroundings. The first thing you need to ensure is whether your Auto-brightness setting is turned on or not. Here I have compiled some quick fixes you can use to stop your iPhone from dimming. You can easily fix this by simply rebooting or updating your iPhone. It can happen if you have turned on Low Power Mode or other features. You don’t need to worry if your iPhone screen keeps dimming.
#Iphone brightness keeps dimming how to
How to Fix iPhone Screen From Keep Dimming This is done to save your battery to use for a longer time.


Night Shift: Another possible cause for your iPhone to keep dimming would be if you have turned on the Night Shift.Then, it can adjust the brightness according to the environment, just like auto-brightness. True Tone: If you have turned off the auto-brightness, but your True Tone feature is on your iPhone.

This is done to protect your iPhone from physical damage. It will dim once your device temperature reaches more than 40☌. Device Overheating: Your iPhone screen will automatically dim even though you have disabled the auto-brightness.
