Download LineageOS 21 for Redmi K20 / Mi 9T

LineageOS 21 which is based on Android 14 is now available for Redmi K20 / Mi 9T to download. This article explains how to install LineageOS 21 on Redmi K20 / Mi 9T with a step-by-step guide.

Follow the links to get other Android 14 builds: Android 14 Download for supported devices.

This LineageOS 21 build for Redmi K20 / Mi 9T which is based on Android 14 and is brought to you by developer raul16.

[su_note note_color=”#FBF4DD” text_color=”#A38C68″ radius=”3″ class=”” id=””]

DONATION TO DEVELOPER(S)/PROJECT:
LineageOS 21 development and porting is a voluntary work! If you want this project keep going, please contribute to the developer(s) and the LineageOS project:
– Donate to raul16

– Donate to LineageOS project

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[su_note note_color=”#F9D9D9″ text_color=”#AA4343″ radius=”3″ class=”” id=””]DISCLAIMER:
THIS IS AN INITIAL BUILD OF LineageOS 21 FOR Redmi K20 / Mi 9T, WHICH MAY NOT BE USED AS A DAILY DRIVER.
MAKE SURE TO BACKUP ALL DATA FROM YOUR PHONE AND KEEP IT IN YOUR MIND THAT YOU ARE FLASHING AT YOUR OWN RISK.[/su_note] [su_note note_color=”#FBF4DD” text_color=”#A38C68″ radius=”3″ class=”” id=””]Installing LineageOS 21 for Redmi K20 / Mi 9T requires an unlock bootloader of Redmi K20 / Mi 9T, which may delete all your data. Before proceeding further you may consider backup all data on the phone.

You are the only person making changes to your phone; neither the developer nor I can be held responsible for the mistakes done by you.[/su_note]

Status of the Redmi K20 / Mi 9T LineageOS 21 ROM

As of now this just comes with default AOSP features with LineageOS branding. GMS is already included in this ROM. You can skip installing GApps on top of it.

WHAT’S WORKING:

Almost everything

KNOWN ISSUES:

Nothing reported yet

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Where to download LineageOS 21 for Redmi K20 / Mi 9T?

Visit the Downloads section to download all the required files to install LineageOS 21 on Redmi K20 / Mi 9T.

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How to Install LineageOS 21 on Redmi K20 / Mi 9T?

[su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””] Following are the two sub-sections of this Redmi K20 / Mi 9T LineageOS 21 update guide:

First time installation of LineageOS 21 for Redmi K20 / Mi 9T
Upgrading LineageOS 21 for Redmi K20 / Mi 9T from a previous build of LineageOS 21 ROM

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First time Installation of LineageOS 21 on Redmi K20 / Mi 9T

[su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]This ROM update process requires few guides to be followed and few files to be downloaded. Everything referred in the below guide is provided in the above downloads section.[/su_note]

Unlock bootloader on Redmi K20 / Mi 9T if not done already!
Download and install the ADB Fastboot utility on your PC.
Download and Copy the LineageOS 21 recovery file, and the Super-empty image file, LineageOS 21 ROM file for Redmi K20 / Mi 9T and a compatible MindTheGApps Android 14 GApps to your PC or the phone.
Download the super_empty image file given in the downloads section and install it using fastboot. Follow the below instructions to accomplish this:
1. Reboot your phone into fastboot mode and connect it to a PC using a USB cable
  1. Power of the device and then press and hold Volume Down + Power key to boot into fastboot mode.
2. Open a cmd window or terminal and verify if the fastboot finds the device by executing the below command:
  1. fastboot devices
3. Once the device is recognized, execute the below command to flash the super_empty image.
  1. fastboot wipe-super super_empty-lineage-21-raul16.img
4. Then execute the below command to flash the lineage recovery
  1. fastboot flash recovery lineage-21-recovery-raul16.img
  2. fastboot reboot recovery
    1. This command will boot your phone into newly installed Lineage recovery
From the main Lineage recovery screen, tap on Factory Reset, and then tap on Format data / factory reset and continue with the formatting process.
[su_note note_color=”#F9D9D9″ text_color=”#AA4343″ radius=”3″ class=”” id=””]This will remove encryption and delete all files stored in the internal storage, as well as format your cache partition (if you have one)
You may consider taking a complete backup of your phone data or take a backup of all relevant partitions. Below are few links that may help you in backing up:
1. You follow the Android backup guide or use any third-party Android app such as Titanium backup pro apk or Super backup and restore apk
2. Or consider taking a NANDROID backup on TWRP recovery[/su_note]
Once cleaned the device, return to the main menu on the recovery screen.
Sideload the Redmi K20 / Mi 9T LineageOS 21 .zip ROM package but do not reboot before you read/followed the rest of the instructions!
1. use Apply from ADB (which is ADB sideload)
2. Then, open a cmd window and execute the below command to flash the ROM
3. adb sideload lineage-21..*.zip
Reboot into the recovery again.
Then install the MindTheGApps ARM64 Android 14 GApps package.
[su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]- You can use the same ADB sideload process or here is a post explaining how to install GApps using TWRP recovery.[/su_note]
Reboot and Enjoy the Android 14 LineageOS 21 for Redmi K20 / Mi 9T.

[su_note note_color=”#D8F1C6″ text_color=”#769958″ radius=”3″ class=”” id=””]Complete the initial setup and enjoy Android 14 with LineageOS 21 on Redmi K20 / Mi 9T.[/su_note]

Upgrading LineageOS 21 on Redmi K20 / Mi 9T (davinci):

Copy the latest ROM zip file of LineageOS 21 for Redmi K20 / Mi 9T, Magisk ROOT package to the phone
Boot into Recovery to flash the updated ROM for Redmi K20 / Mi 9T
Wipe the system partition from the TWRP recovery menu.
Install the Redmi K20 / Mi 9T LineageOS 21 update, either using TWRP recovery or ADB Sideload.
Reboot and see if you have the GApps and ROOT access or NOT.
[su_note note_color=”#D8F1C6″ text_color=”#769958″ radius=”3″ class=”” id=””]- Most Gapps are built in such a way that it will sustain across ROM updates.[/su_note]
If you don’t have GApps after upgrading the LineageOS 21, then download the MindTheGApps Android 14 GApps and flash it through ADB update.
[su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]- Here is a post explaining how to flash GApps using TWRP recovery.[/su_note]
If you don’t have ROOT after upgrading the LineageOS 21 on Redmi K20 / Mi 9T, then flash the Magisk rooting package or follow this Android 14 root guide.
Once everything is done, reboot and Enjoy the Android 14 via LineageOS 21 on Redmi K20 / Mi 9T.