How To Set Brightness On Iphone

You can turn off auto-brightness on your iPhone or iPad from the Settings app.
Your iPhone and iPad have sensors that adjust the screen brightness based on surrounding light.
You can also manually adjust brightness in Settings or the Control Center.
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The auto-brightness feature on your iPhone or iPad automatically darkens the screen under bright lights, and lightens it in the dark.

While this option can be very convenient, it can also be an extra drain on the battery.

If you want to turn off the auto-brightness feature on your iPhone or iPad, you can do so from the Accessibility page in Settings. You can also manually adjust the brightness from the Control Center or from Settings.

Here's how to do it all.

How to turn off auto-brightness on iPhone or iPad

1. Open the Settings app on your iPhone or iPad.

2. Scroll down and select Accessibility.

3. On the Accessibility page, tap Display & Text Size.

4. At the very bottom of the page, tap the toggle button next to Auto-Brightness to turn it off, switching the button from green to grey.

When the button is grey, auto-brightness is turned off.

How to manually adjust brightness on iPhone or iPad

You can manually adjust brightness in the Settings app or through the Control Center.

Through the Settings app:

1. Open the Settings app on your iPhone or iPad.

2. Scroll down and select Display & Brightness.

In Settings, go to "Display & Brightness."

3. In the Brightness section of the page, move the slider to the right to brighten your screen, or to the left to dim your screen.

Move the slider to the left or right to adjust brightness.

Through the Control Center:

1. Open the Control Center on your iPhone or iPad by swiping down from the top-right corner.

2. In the Control Center, swipe the brightness bar (indicated by a sun icon), up to brighten the screen or down to dim the screen.

Meira Gebel and Marissa Perino contributed to previous versions of this article.

Ryan Ariano grew up in Baltimore when the Macintosh was cutting edge, lived in Los Angeles as Blackberries gave way to iPhones, and now lives in Jackson Hole where his life is held together by Bluetooth. He writes on a wide range of topics but especially loves nerding out across the tech spectrum. Learn more about how our team of experts tests and reviews products at Insider here.