How To Fix Your Phone’s Brightness Settings (And Protect Your Eyes From Harsh Light) (2024)

It’s a tough balancing act between trying to read a too-dark phone screen in broad daylight, and squinting to protect your eyes from what feels like the rays of 40 suns beaming out at you from your screen at night.

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Luckily, there’s a quick fix for every kind of screen brightness issue you encounter. Here are some simple solutions to three of the most common problems.

Problem No. 1: My Screen Brightness Keeps Shifting

The likely culprit is your auto brightness setting–it doesn’t always match your preferences, meaning it can surprise you with a blinding or frustratingly dull screen at inopportune moments. Auto brightness does have useful purposes, but a screen blasting bright, white light all day long will kill your phone battery faster than you can say, “Can I borrow your charger?”

Apple says its iOS devices use an ambient light sensor to automatically adjust brightness levels based on the light conditions in your surroundings. You can see this in action if you keep your eyes on the brightness slider, which will move according to those light conditions. So if it’s bright outside, the slider should move up to create a bright screen, and if you’re in a dark bedroom, the slider should move down to dim it.

Even though auto brightness is on by default, it’s pretty easy to switch it off or reset it—and your eyes will thank you.

📲 On iOS: Settings > Accessibility > Display & Text Size > Turn off auto-brightness. Then, adjust the brightness bar until you’ve reached your desired level of brightness. You can switch it back on to reset the auto-brightness settings, if desired.

Most Android phones have a similar auto brightness feature. Here’s how Samsung says you can turn it off.

📲 On Android: Settings > Display > Tap the slider next to Adaptive brightness and switch it to the off position. Then, adjust the brightness bar until you’ve reached your desired level of brightness.

Problem No. 2: My Screen Is Constantly Too Dark

How To Fix Your Phone’s Brightness Settings (And Protect Your Eyes From Harsh Light) (1)

Assuming your display isn’t damaged, the most common culprit for a consistently darkened screen is power-saving mode. When your battery is close to being drained, your smartphone can turn off a number of background operations and tweak the display to use less power.

But if you need to increase the brightness, it’s simple to switch that setting off.

📲 On iOS:Settings > Battery > Toggle the slider for Low Power Mode to the off position. Or, go to Settings > Control Center > Customize Controls. Add Low Power Mode to your Control Center for easy on/off access.

📲 On Android:Settings > Battery and device care > Battery > Toggle the switch off next to Power saving mode.

Problem No. 3: My Phone Screen Looks Really Orange

Have you been playing around in your phone settings, haphazardly changing things to see what happens? If so, you’ve probably switched on Night Shift, which isn’t a default setting.

Night Shift is akin to wrapping your iPhone screen in a pair of blue light-blocking glasses. By making the screen slightly yellow-orange, you can supposedly save your eyes from undue strain caused by blue light. Because orange is opposite of blue on the color wheel, orange light can counteract blue light.

The jury is still out on the scientific merits of blue-light blockers, so take this with a grain of salt. And in the meantime, if you’re watching Netflix after dark and can’t stand that everyone looks like an Oompa Loompa, take these steps.

📲 On iOS:Open Control Center (swipe down from the top right-hand side of the display) > Long hold the Brightness slider > Tap the Night Shift icon to turn it on or off.

📲 On Android: Settings > Display > Night Light. Toggle to the off position.

Rachel Z. Arndt also contributed to this guide.

How To Fix Your Phone’s Brightness Settings (And Protect Your Eyes From Harsh Light) (2)

Courtney Linder

Deputy Editor

Before joining Pop Mech, Courtney was the technology reporter at her hometown newspaper, the Pittsburgh Post-Gazette. She is a graduate of the University of Pittsburgh, where she studied English and economics. Her favorite topics include, but are not limited to: the giant squid, punk rock, and robotics. She lives in the Philly suburbs with her partner, her black cat, and towers upon towers of books.

How To Fix Your Phone’s Brightness Settings (And Protect Your Eyes From Harsh Light) (2024)

FAQs

How To Fix Your Phone’s Brightness Settings (And Protect Your Eyes From Harsh Light)? ›

📲 On Android: Settings > Display > Tap the slider next to Adaptive brightness and switch it to the off position. Then, adjust the brightness bar until you've reached your desired level of brightness. Assuming your display isn't damaged, the most common culprit for a consistently darkened screen is power-saving mode.

How do I fix the brightness on my phone? ›

Settings Menu:Alternatively, go to "Settings" on your phone. Display Settings:Find and select "Display" or "Screen."Brightness Settings:Look for "Brightness" settings. Adjust Brightness:Adjust the brightness slider to increase the screen brightness.

Is The brightness on your phone Bad For your eyes? ›

High luminance is not itself a threat to eye health. Because the iris and pupil regulate how much light enters the eye, external brightness factors are rarely an issue. However, even though brighter light sources are not directly harmful, inappropriate lighting can result in visual symptoms.

Which brightness mode is good for eyes? ›

Dark mode should make it easier for your eyes to adjust from your dimly lit surroundings to your phone screen, reducing screen glare. This may reduce eye strain and minimize eye fatigue. This is why car navigation systems and GPS devices switch to dark mode after sunset.

How do I fix brightness problems? ›

The Brightness slider appears in action center in Windows 10, version 1903. To find the brightness slider in earlier versions of Windows 10, select Settings > System > Display, and then move the Change brightness slider to adjust the brightness.

How do I increase the brightness on my phone even more? ›

📲 On Android: Settings > Display > Tap the slider next to Adaptive brightness and switch it to the off position. Then, adjust the brightness bar until you've reached your desired level of brightness. Assuming your display isn't damaged, the most common culprit for a consistently darkened screen is power-saving mode.

Can phones damage your eyes? ›

It won't harm your vision or lead to problems such as age-related macular degeneration. However, looking at phone screens for long periods of time does have an effect on the human eye. This is computer vision syndrome, also known as digital eye strain.

What level of screen brightness is best to protect eyes? ›

[Point 5] Review your display brightness setting

This can greatly reduce the strain on your eyes. For example, in an office with normal brightness of 300-500 lux, the display brightness should be adjusted to around 100-150 cd/m2.

Is it better to have your phone brightness high or low? ›

Reducing screen brightness can be helpful if you're using your device in a room with strong lighting. Lower brightness, on the other hand, may cause your eyes to strain harder in a dark environment as you struggle to see the information.

What is the best brightness level for a phone? ›

Ideally, you should get tablets or smartphones with a minimum of 500 nits. If your mobile device has that amount of nits, they should be enough to use in bright rooms and the sunny outdoors. The same thing goes for computer monitors or laptops, which usually have nits ranging from 200 to 600.

Why can't I barely see my phone screen in the sun? ›

Increase the brightness of your phone. Both iOS and Android have a “quick settings” feature allowing users to adjust their screen brightness. By swiping up from the bottom on some iPhones or swiping down from the top on others and on Android, you can adjust the brightness bar.

Why is my iPhone screen so hard to see outside? ›

The problem can be that your display automatically dims down even when you're out in the sun. If you're partially in the shade, your phone might get tricked into automatically dimming your screen, even if it doesn't need to. This can make it difficult to see what's on your screen.

Why is my phone dark even on full brightness? ›

Check if your phone has auto-brightness enabled, which causes the dim phone screen. This setting adjusts screen brightness based on ambient light conditions and might interfere with manual adjustments. Disable it in your settings if needed.

Why is my iPhone dim on full brightness with auto brightness off? ›

Your iPhone has several ways of protecting its internal components, and that includes automatically dimming your display. Even if you have both auto-brightness and True Tone turned off, if your iPhone is overheating, it will automatically adjust the display intensity.

Why did my phone brightness get so low? ›

If your device gets too warm, the display might dim and your maximum screen brightness is reduced until your device can cool down.

Why is my phone so bright when the brightness is all the way down? ›

Adaptive brightness relies on in-built sensors, which can be overly sensitive and smart. It periodically adjusts based on how you interact with the brightness slider in Quick Settings. Sometimes, your device's screen dims or becomes too bright, even with consistent lighting conditions.

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