In this guide, we will show you the steps to unbrick your Redmi Note 9 device via Fastboot Commands. While Redmi is no longer part of the Xiaomi family, yet that only stands true on paper. In reality, there is not much to differentiate between both these sets of devices. The Redmi series still runs the same MIUI Android Skin with the same feature set. But even after parting ways with their parent company, there is no dent in their popularity.
In Asian countries including the likes of India and China, it is still the go-to choice for a lot of buyers. The reason stands simple- they are getting a truckload of features at extremely affordable prices. Then if you are among the tech enthusiasts, then you could further multiply the benefits. And the Redmi Note 9 is among the most active player in this domain. There are already a plethora of tweaks and modifications that you could try out onto your devices.
However, these tweaks might sometimes prove to be risky, if you don’t do it correctly. In that case, your device might end up in a bootloop, soft brick, or even a hard brick. But even if that happens, you could still bring your device back to life. And in this guide, we will show you the steps to do just that. So without further ado, let’s get on with the instructions to unbrick your Redmi Note 9 device via Fastboot Commands.
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Xiaomi and EDL Mode: It’s Complicated!
Recently Xiaomi made a massive change that leads to disastrous consequences for the tech enthusiasts and developers alike. The only ones who would remain unaffected by this decision are the ones who maintain a safe distance from Unlocking Bootloader, Rooting, and Flashing Custom binary. Rest all the users like us who are engrossed in these tweaks are the suffering party. So what really happened?
Well, if you step into custom development, then it opens the gates to the plethora of customization options. From installing a custom recovery like TWRP to getting access to the system partition via Magisk, the possibilities stand endless. Along the same lines, you could flash custom ROMs, Magisk Modules, Substratum Themes, Xposed Frameworks, and the likes. But these tweaks are risky in nature.
If you end up flashing a wrong binary or flash the correct binary to the incorrect slot (for A/B partition devices), then you are inviting trouble. By trouble, we mean the device would end up in a bootloop, soft brick, or worse hard brick. While the first two are usually easy to deal with, it is the latter one that might be concerning for the users.
Fortunately, the devices that have Qualcomm as the underlying chipset comes with EDL Mode or the Emergency Download Mode. You only need to boot your device to EDL and flash the firmware file and your device will be back from dead. Unfortunately, Xiaomi decided to block this EDL mode for the general users.
So only the users who have an authorized Mi Service Centre ID could flash the firmware via Mi Flash Tool in EDL Mode. As for the general users, there does exist a workaround in the form of using the Redmi Note 9 Patched Firehose File (prog_emmc_firehose.mbn) or the prog_firehose_ddr_unbrick.elf file. However, finding both these files is among the most challenging task ever.
With that said, if your Xiaomi device is stuck in bootloop or soft brick mode, there is still a handy way out. You could easily unbrick your Xiaomi device (which in this case is Redmi Note 9) via Fastboot Commands. We wouldn’t be using any Mi Flash Tool or any other software for that matter. So how will then this task be carried out? Follow along for the detailed instructions.
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How to Unbrick Redmi Note 9 via Fastboot Commands
Now that we are done with the explanation part, let’s turn our attention towards the unbrick instructions. As I have already mentioned before, the below instructions are only valid for devices that are soft-bricked or in a boot loop. Furthermore, the process is going to wipe all the data on your device.
So keep this thing in mind before proceeding and take a backup beforehand (if possible by any means). 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: Download Android SDK
To begin with, download and install the Android SDK Platform Tools. This is the official ADB binary file provided by Google and is used to execute ADB and Fastboot Commands.
STEP 2: Download Redmi Note 9 Fastboot ROM
Next up, download the Fastboot ROM for your device. As for this guide, I am using the following ROM file: Redmi Note 9 (merlin) India Stable Fastboot V184.108.40.206.QJOINXM. You are free to try any version of your choice, but it is recommended to try the newer builds only and of your region. Here is how to understand the Xiaomi Fastboot firmware version. [Don’t Miss: How to Flash Xiaomi Fastboot ROM without Mi Flash Tool].
- 220.127.116.11 – Firmware version
- Q – Android version (Q-> Android 10).
- JO – Smartphone model code (JO = Redmi Note 9)
- IN – Firmware build type (IN for India | MI for Global | EU for Europe)
- XM – Firmware version code
Now that you have got hold of the required firmware file, proceed ahead to the next step to unbrick Redmi Note 9 via Fastboot Commands.
STEP 3: Move Redmi Note 9 Fastboot ROM Files to ADB Folder
- To begin with, extract the downloaded firmware file. Once the extraction is complete, you should see the following files:
- So head over to the Images folder and the following files will be present there:
- Select all these files via Ctrl+A shortcut keys and copy them to the platform-tools folder. This is the same folder that you have got after installing the Android SDK.
- Once done, proceed to the next step to unbrick your Redmi Note 9 device via Fastboot Commands.
STEP 4: Boot Bootloop/Soft Bricked Redmi Note 9 to Fastboot Mode
- First off, boot your device to the Fastboot Mode. For that, power it off.
- If you cannot do so (due to your device being stuck in a bootloop) then the only option left is to let the entire battery drain out (remember the good old days when we could easily remove the battery!).
- Once your device has turned off, press and hold the Volume Down and Power buttons for a few seconds.
- This will boot your device to Fastboot Mode. You should see the famous Mi Bunny Logo with the Fastboot text underneath it.
- Now head over to the platform-tools folder where you have extracted the Fastboot ROM.
- Go to its address bar, type in CMD, and hit Enter. This will launch the Command Prompt window. Keep this window opened from now on until the end of this guide.
STEP 5: Flash Firmware via Fastboot Commands to Unbrick Redmi Note 9
Finally, we are down to the most important part of this article. I have shared all the required fastboot commands to flash the stock firmware onto your Redmi Note 9 and unbrick it. To begin with, make sure that your device is connected to the PC via USB in Fastboot Mode. Then head over to the Command Prompt window that is opened inside the platform-tools folder.
Now execute the below commands in this CMD window. I would highly recommend that you execute these commands one at a time, rather than copy-pasting all of them at one go.
fastboot flash preloader preloader_merlin.bin fastboot flash logo logo.bin fastboot flash tee1 tee.img fastboot flash tee2 tee.img fastboot flash scp1 scp.img fastboot flash scp2 scp.img fastboot flash sspm_1 sspm.img fastboot flash sspm_2 sspm.img fastboot flash lk lk.img fastboot flash lk2 lk.img fastboot flash super super.img fastboot flash cache cache.img fastboot flash recovery recovery.img fastboot flash boot boot.img fastboot flash dtbo dtbo.img fastboot flash vbmeta vbmeta.img fastboot flash spmfw spmfw.img fastboot flash md1img md1img.img fastboot flash vbmeta_system vbmeta_system.img fastboot flash vbmeta_vendor vbmeta_vendor.img fastboot flash cust cust.img fastboot flash exaid exaid.img fastboot flash userdata userdata.img fastboot reboot
Once you have successfully executed all the above commands, your device will reboot to the OS. On that note, we conclude the guide on how to unbrick Redmi Note 9 via Fastboot Commands. The best part about this tutorial is the fact that it doesn’t require any Redmi Note 9 Patched Firehose File (prog_emmc_firehose.mbn) or the prog_firehose_ddr_unbrick.elf file.
Furthermore, we didn’t need to make use of the Mi Flash Tool. With that said, if you have any queries concerning the aforementioned steps, do let us know in the comments section below. We will get back to you with a solution at the earliest.
5 thoughts on “How to Unbrick Redmi Note 9 via Fastboot Commands”
Hello, good night, my problem is that I have my redmi note 9 bricked and debugging mode is not activated. Can I still unbrick it?
Hi Davis, if it is Hard Bricked, then you would have to take the help of Emergency Download Mode. Or try pressing the Volume Down and Power keys for 10-125 seconds, if it boots to the Fastboot Mode, then you could easily flash the firmware via Fastboot Commands, as mentioned in this guide.
Im getting this error while running the fastboot flash super super.img command
error: write_sparse_skip_chunk: don’t care size 56704240 is not a multiple of the block size 4096
this error appears multiple times
Please help me
when i try flashing the preloader it says the file size is too large
can i save my data in bricked phone?