So have a look at the complete guide discussed below to proceed.
Well, if you remember, the OnePlus 5 has introduced a new feature named Reading Mode.
The Reading Mode feature optimizes the entire unit for reading, especially at night.

So, the new Reading mode of OnePlus devices promotes a better reading experience while reducing eye strains.
Not only eye health but the Reading Mode of OnePlus devices also helps users to sleep easily.
So follow the below steps to proceed.

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Using Developer Options
1.
First, we have to unlock the Developers option in the Android machine before proceeding further in the method.
The reason is that the Reading Mode feature is subtly available inside those options but with a different name.

Mostly it is present at the bottom of the configs screen.
So after seeing this option, hit it, and you will reach another screen.
The screen will also consist of a few options; the build Number will be among these.

After enabling the developer option to go inside it by tapping on it.
Look for the Simulate color space prefs inside it.
Click it and then select Monochromacy as your preference!

Your gadget screen will get the grayscale effect similar to Reading Mode on Oneplus 5.
This function can be disabled by setting the Simulate color space preference to Disabled through the above prefs only.
Now, you’re gonna wanna findReader Mode triggering.

Just pop fire up find option and search for it.
Make it set toAlways.
In this method, we will be using Chromes Accessibility tweaks to unlock the reader mode.

The great thing about this method is that it doesnt need any third-party app to add the reading mode.
First, patch your Google Chrome surfing app to the latest version.
You canedite the surfing app through the Google Play Store.

Or else, you might visit thislink.
Open your Google Chrome net online gate on Android and tap on the three-dotted menus.
Now enable theSimplified Viewoption under the Accessibility parameters.

For reading mode, you should probably selectSepia.
Thats it; you are done!
Now Google Chrome net web client will automatically unlock the simplified view on the supporting web pages.

This is how you might use Chromes Accessibility options to help Reader mode on Android.
Users will also get an option Appearance under the Chrome menu, where they can adjust the color filter.
you’re free to set any color temperature and intensity with Twilight for Android.

2)CF.
Lumen works in rooted Android smartphones.
Again, the app doesnt provide accurate reading mode, but it does the job significantly.

3)Reading Mode
Well, the name of the app describes everything.
The app can bring you the Grayscale mode, replicating the OnePlus 5s reading mode.
It doesnt change the color temperature of your Androids screen as its an innovative book reader with robust controls.

With Moon+ Reader, it’s possible for you to read a wide range of ebooks for free.
Also,t Moon+ Reader can be used to read local books.
The app offers users more than 10 themes, including day and night modes.

Apart from that, it also includes a reading mode that significantly reduces eye strain.
The app reduces the blue light emitted from the phones screen by adding an overlay blue light filter.
Not only that, but the app also allows users to adjust filter opacity & screen dim as well.

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