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3 min read 7 comments

How to activate night mode on Android

The night mode function is available on many Android smartphones. This handy function allows you to apply a filter to the screen to minimize eye strain and reduce the blue light emitted by your smartphone screen. In this article, we’ll tell you how you can activate this function, regardless of whether or not it is a default function.

More and more users are having problems with eye strain due to the amount of time they spend in front of screens. It’s not that surprising when you consider our modern lifestyles (TV, computer, smartphone, tablet…). The eye protection mode, as Huawei calls it, is an effective way to reduce blue light. Blue light has a negative impact on sleep as it disturbs the production of melatonin, an essential sleep hormone.

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How to activate night mode as a default setting

Recognizing the importance of this mode, Google decided to integrate it into newer versions of Android such as Android Nougat, and Android Oreo. So long as your phone has reasonably up-to-date software, you can enable night mode like so.

To activate it, just go to Settings > Display > Night Light. You can also configure it so that Night Light will turn off automatically at certain times.

Night Light on the Pixel 2. It can also be configured in the brightness tuning. / © AndroidPIT

On phones from other manufacturers

Other manufacturers aren’t waiting around for the next Android update to introduce a Night Mode or Blue Light Filter on some of their phones. This is the case for Honor, Huawei, Asus, OnePlus, Samsung…generally, all you need to do is just go to Settings (then usually Display) or the shortcuts to activate it. 

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Honor 8 offers a game protection mode that gives a slightly yellowish hue to the screen. / © AndroidPIT

Get the night mode feature with an application on the Play Store

So you've looked on your current phone and it doesn't appear to have a night mode? This can happen, especially if you're on Android One or stock Android, without any bells and whistles added by Google or the manufacturer's skin. Don't worry though.

At the moment there are a number of apps available on Google Play that allow you to achieve the same result. One of the most popular ones around at the moment is Bluelight Filter. It has the same functionalities as those you find on Android, with more new options such as selecting the filter color from seven available shades, shortcuts on the home screen, a notification widget on the screen and an activation time schedule.

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Bluelight Filter is perfect for getting access to the Android Night Mode function. / © AndroidPIT
  • App version: 2.4.3
  • App size: 5.56 MB
  • Compatibility: Android 4.0 or higher
  • Price: completely free

Do you use a light filter on your smartphone? Do you find it helps minimize the strain you place on your eyes? Let us know in the comments below.


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  • It's a lot easier, people. Night Mode can be accessed using the Google Play Books App settings. It's that simple.

  • First, is it safe for the screen to use those apps from the play store ?
    2nd from my experience of 3 years using a screen filter, the best is Réduire Luminosité l'écran, it does not put a filter, it just reduces the brightness more than your phone gives you from settings.

    • I have an S4 mini (android 4.4.2) for 3 years now. I used the Blue Light Filter downloaded from the Play Store, I really liked it, but when my phone completed a year of usage, the display got wierd, it looked divided in half and the colors were wrong. I took it to a technical assistance and the display had to be changed. OK, the job was done. I don't know what damaged the display, but I suspect it had to do with the app filter. I never used it again, and the problem never occurred again. Maybe it was the app, maybe it wasn't. I would say it's not safe... I'm only using again when it's a native app from Android.

      • You just messed up your settings the technician had put them in right setting back.
        no material defect, just an unskilled user with the wrong settings.
        bluelight from phone settings or app will never damage a LCD screen.

  • A so-called bluelight filter is supposed to reduce strain on your eyes if you are in the habit of using your mobile phone for long hours, especially if you use it to read extensively. However, the medical justification for this kind of thing is still controversial. Some people solve this issue by using an ebook reader like a Kindle for reading. In my experience, installing and using an app for bluelight filtering is not an option. All the apps available are too crude or have intrusive adds or are not well-integrated into the system. Only the Nougat filter is worth using. Even the much-touted Twilight is worthless. Such things need integration into the operating system, not an app. That should perhaps teach us that basic smartphone functions need integration into the ecosystem, not imposed by an app.

  • I use it on my phone and find it helps at night when my eyes are tired. Bottom line is it's supposed to help if you plan on going to bed because the blue light is supposed to make it so that it's more difficult to fall asleep.

  • Nearly all my long form screen time is on ereader apps like Kindle, Moon+, and the Zinio magazine app - except for Zinio I can choose a background/foreground format that's comfortable and don't want Android or some other app to fool with it. Not sure how this affects video. Not a killer for me. Sometimes looks like a lot of development is "because we can" rather than some urgent need.

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