Here's how to turn off Auto-Brightness and Night Shift on your iPhone, and how to adjust the brightness manually once the automatic options are disabled. To turn off Auto-Brightness, a sensor which changes brightness depending on light conditions, follow these steps:. Scroll to the very bottom of the page.
The last option will be "Auto-Brightness" — flip its switch to the left, so it turns gray. To turn off Night Shift, a default iPhone feature that automatically changes the colors of your screen for less strain on your eyes particularly at night follow these steps:.
Tap this. To turn off Night Shift, tap the "Scheduled" slider so it flips to the left and turns gray. There are two ways to change the brightness manually on iPhone if you've turned auto-brightness and Night Shift off.
First is the Control Center dropdown menu, which is accessible whether your iPhone is locked or not. Swipe down on the top right-hand corner of your screen on an iPhone X or newer or up from the bottom of your screen on an earlier iPhone model , and change the brightness by sliding your finger up and down on the sun icon.
To turn Night Shift on, press and hold the sun icon, and tap the Night Shift icon on the bottom left. For you. World globe An icon of the world globe, indicating different international options.
Get the Insider App. Click here to learn more. A leading-edge research firm focused on digital transformation. Good Subscriber Account active since Shortcuts. The ambient light sensor is at the top of your iPhone screen. Body oils, sweat, and other such gunk may stick to this sensor when holding the phone to your ear during long calls.
Due to this, it may stop your iPhone's ambient light sensor working, which is what's responsible for adjusting the screen brightness according to your surroundings. To fix this, use a clean, dry cloth to wipe the top portion of your iPhone screen. After this, auto-brightness should work fine. If not, follow the remaining solutions below. If you haven't turned off your iPhone in a while, it can cause a few problems, like auto-brightness not working correctly.
To fix this, simply restart your iPhone. After the device powers on, everything should work as well as it usually does. Another quick solution to fix the auto-brightness problem on your iPhone is to turn this feature off and on.
Here's how to do that:. When you're running an older version of iOS, some old bugs may still be there causing issues. To fix this, you should update your iPhone to the newest version of iOS. This will ensure your device has all the latest features, bug fixes, and security patches. In case none of the above solutions work for you, consider turning off Night Shift. Learn how to adjust display brightness and color temperature on your iPhone, iPad, or iPod touch.
You can quickly adjust brightness in Control Center on your iPhone or iPad :. Learn more about the display on iPhone X and later. From here, you can turn on Dark Mode , which is designed to make the screen easier on your eyes. Dark Mode uses a dark color scheme that works system wide, including with the apps that come with your device and with many third-party apps.
If you turn off True Tone, the display keeps color and intensity constant, regardless of changes in the ambient light. You can also turn on Night Shift , which adjusts the colors of your display to the warmer end of the spectrum—making the display easier on your eyes. The sensor lowers brightness in dark locations and raises brightness in light locations.
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