Custom MODs, Custom ROM

OxygenOS for Redmi K20 Pro – How to Install Guide

Redmi K20 Pro  (Mi 9T Pro) is one of the most famous phones in the custom ROM development community. There are many custom ROMs available for Redmi K20 Pro/ Mi 9T Pro and it gets confusing as to which one to install. Today let’s talk about OxygenOS for Redmi K20 Pro and let’s see how to install it.

OxygenOS is OnePlus’s skin over Android and it is one of the best skins on android out there. OxygenOS is clean, fast, bloatware-free and fun to use. If you’re bored of the same old MIUI interface on your Redmi K20 Pro, then I highly recommend you to try out OxygenOS as it is literally one the best software experiences out there.

Related Post: Top 4 Custom ROMs for Redmi K20 Pro

OxygenOS for Redmi K20 Pro

Google announced the Project treble support for Android phones running on Android Oreo (Android 8.0) and above. Project treble allows the flashing and use of GSI’s (Generic System Image). Hence you can flash the GSI of OxygenOS on your Redmi K20 Pro and experience it in its full glory. Kudos to the developer for constantly working on this ROM and providing us with the best experience possible. I love the custom ROM development community.

Here’s a link to the telegram channel for updates on ROM’s, Kernels and GCam for Redmi K20 Pro – Telegram Channel.

Before you install OxygenOS on your Redmi K20 Pro there are some Pre-requisites, so let’s talk about them.


  1. Unlocked Bootloader
  2. Custom Recovery Installed (TWRP Recovery is recommended)

If you don’t know how to do the above two things, don’t worry. We have a different article on How to Unlock Bootloader and install TWRP Recovery on a MIUI Phone.

Read that article carefully and follow it step by step to unlock the Bootloader of your phone and also install TWRP Recovery. Please note that this process will erase all the data on your phone. Hence please take all the necessary backups before you proceed.

How to Install OxygenOS on Redmi K20 Pro –

After you have an unlocked boot loader and TWRP recovery installed on your phone, follow these simple steps in order to install OxygenOS GSI.

  • Wipe Data, Dalvik and Cache

Switch OFF your phone and go into TWRP recovery mode by pressing the power button + volume up button. Select wipe, then advanced wipe, select Data, Dalvik and Cache and wipe them.

  • Format the data on your phone

This step is very important as you will be flashing a GSI. Switch OFF your phone and go into TWRP recovery mode by pressing the power button + volume up button.

Once you’re in TWRP Recovery mode, go to Wipe and then click on Format Data. It will ask you to confirm it, type yes and proceed. After that all the data on your phone (including internal storage) will be formatted.

  • Install OxygenOS GSI files

After formatting the data, copy and paste the GSI files linked below to your phone’s internal storage, or use an OTG Pendrive.

Download these 3 GSI Images and save them to the internal storage of your phone –

  1. System Image
  2. Vendor Image
  3. Boot Image

You will also need to download Magisk for Redmi K20 Pro from here – Click Here.

  1. Once you download the above mentioned files and save them to your internal storage, go to TWRP Recovery and select install.
  2. Next, select Install Image button at the bottom
  3. After that, select the boot image file and make sure to install it in the boot image section
  4. Similarly install the Vendor Image in Vendor Image and System Image in System Image
  5. Finally, flash the Magisk Zip file by selecting Install Zip button at the bottom and then flash the downloaded zip file
  • Reboot System

After you follow the above steps, reboot to your system and OxygenOS startup screen should show up.

We hope that this article helped you out in installing OxygenOS on your Redmi K20 Pro. Thanks for reading and we’ll see you around.


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