How to Turn an iPhone or iPad Screen Red (Guide + Benefits)

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Reduce your screen’s blue light at night with our guide
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If you don’t want to strain your eyes looking at your iPhone, switching to a red screen can help out. While the red tint may be an adjustment at first, several benefits, like improving your sleep cycle, make it worth it. Plus, it’s easy to do with some quick changes to your settings. Keep reading, and we’ll walk through how to turn your iPhone screen red, explain its benefits, and cover what to do if your screen turns red for other reasons.

Make Your iPhone Screen Red

Go into Settings → Accessibility → Display & Text Size → Color Filters. Turn on the Color Filters and select “Color Tint.” Adjust the Hue and Intensity sliders to the right to change the screen to a deep red color.

Section 1 of 4:

How to Turn an iPhone or iPad Screen Red

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    Open your Settings and scroll down until you see the Accessibility option. Tap on it to access all of the accessibility options that can make it easier to use your phone. [1]
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    The Display & Text Size options let you adjust how things appear on your iPhone or iPad. Locate the option at the top of the Accessibility settings and tap on it. [2]
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    It's near the bottom of the menu.
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    Switch on the option to add filters to your display. [3]
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    By default, the “Grayscale” option is usually selected first. Click on the option that says Color Tint so you’re able to select the colors for your screen manually. [4]
    • The colored pencils on the screen show you how different colors are affected by the filter. You cannot select them to change the color of the filter.
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    Move the Hue slider to the right to make your iPhone’s screen color red. Then, adjust the Intensity slider to the right until you’re happy with the red tint. [5]
    • Setting the Intensity slider all the way to the right will make your screen the most red, but it may be difficult to see notification badges or other red icons.
    • Putting the slider to the left restores your screen to normal colors.
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Section 2 of 4:

How to Make a Shortcut to Turn Your Screen Red

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    Go into your Settings and scroll until you see the Accessibility option, and tap on it. [6]
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    Scroll all the way to the bottom of the Accessibility settings and click on the Accessibility Shortcut option. Choose Color Filters from the list, along with any other accessibility settings you want to easily toggle on and off.
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    With the shortcut now turned on, quickly press the side button on your iPhone 3 times, and the color filter will turn on. When you want to turn the filter off, press the button 3 times again. [7]
    • If your iPhone doesn’t have a side button, then press the Home button 3 times instead.
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Section 3 of 4:

Benefits of Turning an iPhone Screen Red

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    Blue light from your phone, especially after using it for prolonged periods of time, can eventually cause damage to the inner parts of your eyes. Switching to a warmer color, like red, yellow, or orange, can help reduce any injuries to your eyes. [8]
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    Blue light from an iPhone screen sends signals to your body that change your circadian rhythms and suppress melatonin, which your body releases to help you fall asleep. Red light doesn’t trigger these receptors in your eyes, so it won’t disrupt your sleep cycle. [9]
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    Your eyes produce a chemical called rhodopsin when it’s dark so you can see better. Looking at a bright white or blue light resets your night vision and stops rhodopsin from forming. Red lights don’t neutralize the chemical, so it helps maintain your vision in dim or dark lighting. [10]
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Section 4 of 4:

FAQ

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    Use the red filter on your iPhone in the evening and in the morning when you first wake up. The red light at night can make it easier to fall asleep while using it right away in the morning can help you ease into your day.
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    If you’re using iOS 17 or later, your iPhone automatically goes into StandBy Mode when plugged in. StandBy Mode displays clocks and widgets when you turn your phone horizontally while charging. When you have Night Mode turned on, the screen will turn red and black in low-light settings so it doesn’t strain your eyes. [11]
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    If your iPhone screen suddenly turns bright red, it may be the “red screen of death” caused by a hardware problem. Battery, SIM card, and update issues may also cause a sudden red screen.
    • To fix the red screen of death, try turning off your phone and restarting it. If that doesn’t work, do a hard reset or take your phone to an Apple store to troubleshoot the issue.
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      Tips

      • Another setting that can help reduce bright light from your phone is the Reduce White Point setting. Go to Settings → Accessibility → Display & Text Size → Reduce White Point , and move the slider to the left to reduce the intensity of bright colors. [12]
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      References

      1. ↑ https://support.apple.com/guide/iphone/change-color-and-brightness-iph3e2e1fb0/ios
      2. ↑ https://youtu.be/9lPjoq5smnA?t=71
      3. ↑ https://support.apple.com/guide/iphone/change-color-and-brightness-iph3e2e1fb0/ios
      4. ↑ https://youtu.be/9lPjoq5smnA?t=79
      5. ↑ https://bgr.com/tech/how-to-enable-iphones-hidden-night-vision-mode-that-turns-your-screen-red/
      6. ↑ https://support.apple.com/en-ng/111771
      7. ↑ https://support.apple.com/en-ng/111771
      8. ↑ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6288536/
      9. ↑ https://www.cdc.gov/niosh/work-hour-training-for-nurses/longhours/mod2/20.html
      1. ↑ https://www.nps.gov/articles/dark-adaptation-of-the-human-eye-and-the-value-of-red-flashlights.htm
      2. ↑ https://support.apple.com/en-ke/guide/iphone/iph878d77632/ios
      3. ↑ https://youtu.be/9lPjoq5smnA?t=94

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