In this guide, we will show you the steps to flash various Custom ROMs based on the latest Android 14 on your Redmi Note 9 device. The Redmi series has always occupied the topmost position in the pecking order when it comes to the custom development. And the ninth iteration in this regard is no different either. The device has already received its fair share of OS upgrades with Android 11 being its last official update.
However, thanks to the active support from the developers, numerous custom ROMs based on Android 14 have made their way over to this device. As a result of this, you now have the opportunity to welcome abode a clean stock AOSP experience with tons of Pixel goodies, all of which are packed in a fast, snappy, and performance-enhanced OS. So on that note, let’s make you aware of the steps to flash various Custom ROMs based on the latest Android 14 on Redmi Note 9.
Table of Contents
How to Flash Custom ROMs on Redmi Note 9 [Android 14]
The below process will wipe off all the data from your device, so take a complete device backup beforehand. Droidwin and its members wouldn’t be held responsible in case of a thermonuclear war, your alarm doesn’t wake you up, or if anything happens to your device and data by performing the below steps.
STEP 1: Install Android SDK Plaform Tools
First and foremost, you will have to install the Android SDK Platform Tools on your PC. This is the official ADB and Fastboot binary provided by Google and is the only recommended one. So download it and then extract it to any convenient location on your PC. Doing so will give you the platform-tools folder, which will be used in this guide to install custom ROMs on Redmi Note 9.
STEP 2: Enable USB Debugging and OEM Unlocking
Next up, you will also have to enable USB Debugging and OEM Unlocking on your device. The former will make your device recognizable by the PC in ADB mode. This will then allow you to boot your device to Fastboot Mode. On the other hand, OEM Unlocking is required to carry out the bootloader unlocking.
So head over to Settings > About Phone > Tap on Build Number 7 times > Go back to Settings > System > Advanced > Developer Options > Enable USB Debugging and OEM Unlocking.
STEP 3: Unlock Bootloader on Redmi Note 9
Next up, you will also have to unlock the device’s bootloader. Do keep in mind that doing so will wipe off all the data from your device and could nullify its warranty as well. So if that’s all well and good, then please refer to our detailed guide on How to Unlock the Bootloader on any Xiaomi Device.
STEP 4: Download Android 14 ROM for Redmi Note 9
- Grab hold of the desired ROM from below and rename it to rom.zip. Then transfer the ROM and all its associated files [such as boot.img, vendor_boot, dtbo.img, etc] to the platform-tools folder on your PC.
CRDROID ROM
DOWNLOAD ROM | CHECK LATEST VERSION
OTHER RESOURCES:
STEP 5: Boot to Fastboot Mode
- Connect your device to the PC via a USB cable. Make sure USB Debugging is enabled.
- Then head over to the platform-tools folder, type in CMD in the address bar, and hit Enter. This will launch the Command Prompt.
- Type in the following command in the CMD window to boot your device to Fastboot Mode
adb reboot bootloader
- To verify the Fastboot connection, type in the below command and you should get back the device ID.
fastboot devices
- If you are not getting any serial ID, then please install the Fastboot Drivers on your PC.
How to Flash crDroid Android 14 ROM on Redmi Note 9
METHOD 1: Via crDroid Recovery
NOTE: In this method, you will not be able to flash the latest firmware ZIP because AOSP Recovery such as crDroid doesn’t have te option to flash ZIP files [sideloaidng firmware is not allowed]. Therefore, please verify beforehand that you are on the latest available firmware. If that is not the case, then download and install all the pending updates first and only then proceed with the ROM installation process.
- To begin with, extract the crDroid payload.bin file using the Fastboot Enhance Tool.
- Then copy the recovery.img from there and transfer it to the platform-tools folder.
- Now type in the below command to flash the crDroid Recovery
fastboot flash recovery recovery.img
- Then reboot your device to the recovery via the below command:
fastboot reboot recovery
- After that, do a Format Data > Factory Reset/Format Data.
- Now go to Apply Update from ADB > ADB Sideload.
- Then type in the below command to initiate the sideload process:
adb sideload rom.zip
- The flashing will now start. Once done, do an ADB Sideload of GApps if you prefer.
- After that, go to Format Data > Factory Reset/Format Data.
- Finally, select Reboot System Now. Your device will reboot to the newly flashed OS.
METHOD 2: Via LineageOS Recovery
Do note that the LineageOS recovery must be older than the latest CrDroid 10 ROM that you are using. Since at the time of writing, the latest crDroid build is from 29th December 2023, you’ll have to download a LineageOS Recovery older than that. However, as you might be aware, Lineage only houses the last few builds of the recovery and removes the rest. Fortunately, you could still get hold of an older version of LineageOS Recovery via Wayback Machine. And this is exactly what we will be doing here. Follow along.
- Download the OrangeFox Recovery from above and transfer it to the platform tools folder.
- Now type in the below command to flash the crDroid Recovery
fastboot flash recovery recovery.img
- Then reboot your device to the recovery via the below command:
fastboot reboot recovery
- Now do a Factory Reset > Format Data.
- Once done, transfer the firmware ZIP file to your device and flash it.
- Now download and then transfer the LineageOS Recovery to your device.
- Then go to Install > Install Image > select Lineage Recovery > Flash it.
- Now go to Reboot > Recovery. Your device will boot to Lineage Recovery.
- Then go to Apply Update > Apply from ADB and type in the below command:
adb sideload rom.zip
- The flashing will now start. Once done, do an ADB Sideload of GApps if you prefer.
- After that, go to Format Data > Factory Reset/Format Data.
- Finally, select Reboot System Now. Your device will reboot to the newly flashed OS.
That’s it. These are the two different methods through which you could flash the crDroid Android 14 ROM on your Redmi Note 9. If you have any queries concerning the aforementioned steps, do let us know in the comments. We will get back to you with a solution at the earliest.
