Download and Install Nitrogen OS 8.1 Oreo On Xiaomi Redmi 4A

Download and Install Nitrogen OS 8.1 Oreo On Xiaomi Redmi 4A: Xiaomi Redmi 4A is an entry-level device but it comes with some awesome specs and features which made this a very popular device. The device is very popular among the developers as well.

Xiaomi Redmi 4A has received all the popular custom ROMs based on Android 8.1 Oreo which is an awesome thing. We all know that Xiaomi is not that good at releasing major updates to its entry-level devices so Redmi 4a is not going to get the Android 8.1 Oreo update.

But thanks to these custom ROMs users can now enjoy the latest offering from Google. Recently another Custom ROM named Nitrogen OS is made available for Xiaomi Redmi 4A. The Custom ROM is based on Android 8.1 Oreo source code. The ROM is in its initial development stage so there may be few bugs present but in future updates, the developers will fix all the bugs. But for now, we don’t recommend users to use this ROM as their daily driver. We like to thank MacTavish, for sharing Nitrogen OS 8.1 Oreo ROM For Redmi 4A.

|   Full ROMs List: Full List Of Best Xiaomi Redmi 4A Custom ROMs

Nitrogen OS 8.1 Oreo Features | Android 8.1 Oreo Features

As Nitrogen OS 8.1 Oreo is based On Android 8.1 Oreo’s Source code, it has all the latest Android Oreo features and in addition to that Nitrogen OS also has some extra customization features.

#1 AutoFill

Android 8.1 Oreo now comes with Autofill feature which was available in the Chrome browser until now. The feature, Auto Fill mode which means that the OS will save your Email Address as well as Password. This will save your precious time.

#2 Adaptive Icons

Now Android also added Adaptive Icons which means that the smartphone will now have an option to modify the default icons for various applications in many shapes such as squircle, square, rounded and others. This is done to ensure that the icons on different apps are in line with the other apps for uniformity purpose. This will make your phone looks cool and minimalistic

You may Like: How to get Android 8.1 Oreo Adaptive Icons feature on Android 5.0 and above

#3 Updated Emoji

In Android 8.1 Oreo, Google has once again updated the default emojis present in the Android OS to a blob-less emoji version rather than blob version which was seen on Android 7.0. There are many new emojis are added to enhance your messaging experience

#4 Notification Dots

This feature is same as the one present on Android 7.0 Nougat where users can long press on home screen to see the options but this feature is now extended to show notifications of that particular app by long pressing the icon.

#5 Picture -In- Picture Mode

The picture in Picture mode which is also known as PiP mode is also added to Android 8.1 Oreo. This will be shown in floating window rather than the split-screen.

#6 Google Play Protect and 2X Boot Time

This “Google Play Protect” is added in the Google Play Store and it will be a background service that will check for apps and its usage and data storage permissions and notify users if it is safe to install and use the app.

Thanks to the great optimization in Android 8.1 Oreo, the boot will now take 10 seconds to do so which is a significant improvement. (Previously 15-20 Sec.)

Above are some of the main features Android 8.1 Oreo (Nitrogen OS 8.1 Oreo) comes with. But there are much more. Overall Nitrogen OS is the best Custom ROM available for Android.


  • Make sure the bootloader on your device is unlocked and your device is rooted and you have a custom recovery installed.
  • Make sure your device has more than 50% battery.
  • Make sure you have taken a backup of your important data. Now proceed To Install Nitrogen OS 8.1 Oreo On Redmi 4A.

Disclaimer is not responsible for any hardware/software issues that occur on your device(s) by following this guide. We are certain that the following guide is carefully written, avoiding any mistakes on our side. If you are unsure of the causalities that may occur if the procedure goes wrong, then please don’t proceed.


Install Nitrogen OS 8.1 Oreo On Xiaomi Redmi 4A (rolex)

Download and Install Nitrogen OS 8.1 Oreo On Xiaomi Redmi 4A

  1. Download the ROM file as well as the GApps file, and transfer it onto your Xiaomi Redmi 4a using your data cable.
  2. Reboot your Xiaomi Redmi 4a into the recovery mode. Guide How To to Boot Into Recovery Mode On Android (Various Ways)
  3. Now, follow this in-depth guide to learn How to Download and Install Flyme OS on your device How To Install A Custom ROM Via Recovery On Any Android
  4. Return back to the TWRP menu, and reboot your device.

Once the flashing process is completed, reboot your phone and you will be booted into Nitrogen OS 8.1 Oreo Based on Android Oreo 8.1. If you have any doubts regarding this process, feel free to comment below.

Dibyashree Sharma
Dibyashree Sharma
An NIT Rourkela Graduate in CS, Blogger, Android Geek, and a Tennis Fanatic. I have been writing about Android OS for Last 8 years.

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