Xiaomi firmware rollback: how to return the old version MIUI brickless

Owners of Xiaomi smartphones often face a situation when a fresh update MIUI It's more trouble than it's advantageous. It's a bit of a bug with autonomy, broken features, or an uncomfortable interface that makes you look for ways to go back to the previous version of the firmware. However, downgrade firmware on Xiaomi is a more complex process than a regular update, and is fraught with the risk of turning the device into a “brick».

In this article, we will discuss all the working methods of rollback (via Fastboot, Recovery and specialized utilities), elaborate on preparation, risks and typical errors. Particular attention will be paid to models with a locked bootloader and devices on Qualcomm Snapdragon, where the process has its own nuances. If you have never flashed a smartphone before, do not worry: the instructions are adapted for beginners, but with all the technical details.

Before you start, remember: rolling back firmware on Xiaomi from versions MIUI 14+ on MIUI 12 and below can cause a hardware lockdown of the bootloader (hard-brick) due to a change in the company's security policy. This is not a scarecrow, but a real risk that is warned about even in official forums.

We also collected up-to-date data on downgrade support for popular models (see table below) and added more FAQ With answers to frequent questions, such as whether you can roll back without unlocking the bootloader or how to recover data after a reset. If your model is not mentioned, do not worry: universal methods will work for most Xiaomi, Redmi and other devices. POCO (Black Shark, where the process is different).

1.Preparation for rollback: what to do before firmware

Unprepared downgrade is a direct path to the brick (inoperable device). Before touching the firmware, follow the mandatory steps:

✅ Check the model and version of the bootloader. Find out the exact model of your device in Settings → The phone. → Model. Then check the bootloader version through the command:

fastboot getvar anti

If the answer is anti: 3 or anti: 4, your bootloader is locked and you will need to unlock it to roll back (see Section 3).+) may have a hardware lock that makes a downgrade impossible without official permission.

✅ Download the correct firmware. Use only official firmware. ROM web-site:

• 🔹 Official archives MIUI (Choose a Global Region, EEA China, depending on your current firmware)
• 🔹 Xiaomi Firmware Updater (alternative source with version history)
• 🔹 XDA Developers (for custom firmware, but it is risky)

Critical: The firmware version should be lower than the current version, but not older than the one installed on the device when you bought it. MIUI 13.0.5 to 14.0.2, roll back 13.0.5, not 12.5.8.

✅ Backup.Downgrade almost always requires factory reset.Save:

• 📱 Contacts (export to.vcf)
• 📸 Photo/video (on PC or cloud)
• 🔑 Logins/passwords (use Google Smart Lock or Bitwarden)
• 🎮 Save games (via Helium or root manager if there is root)

Check the model and version of the loader|Download firmware for your model and region|Create a backup copy of the data|Charge your phone at least to 60%|Prepare the cable. USB (preferably original)|Install drivers ADB/Fastboot PC-only-->

2. Firmware rollback methods: which one to choose

The method of downgrade depends on the current state of the device and version. MIUI. Below is a comparison of all current methods with pros and cons:

For most users, the best option is Fastboot (if the bootloader is unlocked) or MIUI Downgrade Tool (for older models). The Recovery method is only suitable if you are updated through OTA and saved the zip file update.

Important: on devices with MediaTek chipsets (e.g. Redmi) 10C, POCO M4 Pro) rollback via Fastboot may require additional manipulations with SP Flash Tool. If your model is on MediaTek, check the nuances in the forum 4PDA device-specific.

Through Recovery (OTA)|Fastboot (miflash)|MIUI Downgrade Tool|EDL Mode|I haven't decided yet.-->

3. Unlocking the bootloader: step-by-step instructions

If your Xiaomi is officially purchased (not a grey import), it takes 7 days to unlock the bootloader, which is a period that the company has introduced to protect against theft and unauthorized firmware.

1. Link your Mi Account to your device:

- Go to Settings. → Xiaomi account → Mi Cloud and log in.

- Turn on Sync and Find the device.

2. Activate the Developer Mode:

- Go to Settings. → About the phone and tap on the version MIUI 7 times until the notification “You became a developer” appears».

- Return to Settings → Additional → For developers and enable USB Debugging and OEM Unlocking.

3. Connect the device to the PC and execute in the command line:

adb reboot bootloader

The phone will reboot to Fastboot mode. Then type in:

fastboot oem get_unlock_data

Copy the resulting code (it will be long, for example (bootloader) 3A9JBM012345678...).

4. Send a request to unlock:

Go to the official unblocking site.

Enter the Mi Account details and paste the copied code.

- Confirm the request and wait. SMS with confirmation (usually within 10 minutes).

5. Wait 168 hours (7 days) Repeat the command at the end of the time:

fastboot oem unlock

After successful unlocking, the inscription Unlocked will appear in Fastboot.

⚠️ Note: on HyperOS devices (e.g. Xiaomi 14 or Redmi) K70) The unlocking process may be different. Before you start, check the current information on the official forum Xiaomi.

4. Recoil through Fastboot (the most reliable method)

This is a good option for most models, including the new Xiaomi. 13, Redmi Note 12 and POCO F5. You will need a PC with installed drivers ADB/Fastboot and the Mi Flash Tool utility.

Step. 1. Download Fastboot firmware for your model (file with extension.tgz or.zip). Unpack the archive in a folder without Cyrillic characters (for example, unpack the archive in a folder without Cyrillic characters, C:\MIUI\fastboot_rom).

Step 2: Put your phone in Fastboot mode:

• 🔌 Turn off the device.
• 🔌 Hold the Loud down. + 10 seconds power.
• 🔌 Connect to the PC – on the screen will appear a hare in a hat-eared (fastboot icon).

Step 3. Launch the Mi Flash Tool:

• 🖥️ Press Select and point the way to the unpacked firmware.
• 🖥️ At the bottom, select Clean All (full reset) or Clean All and Lock (reset) mode. + lock-up).
• 🖥️ Press Flash and wait until it is completed (usually 5-10 minutes).

Step 4: Once the firmware is successfully installed, the phone will restart. The first turn on can take up to 15 minutes — don't interrupt the process.

⚠️ Note: If the Mi Flash Tool gives an error critical partition flashing is not allowed, then your model has a hardware lockdown downgrade. EDL (See Section 6 or contact the service center.

💡

If after firmware the phone is stuck on the logo MI, Try to pin the volume up. + 20 seconds power for forced reboot. If that doesn't work, repeat the firmware with Clean all and lock mode.

5. rollback through Recovery (without unlocking the bootloader)

This method only works if:

• 📌 You're being updated through OTA (airborne).
• 📌 You have saved the.zip file of the previous firmware (usually it is in the folder). downloaded_rom internal).
• 📌 Version. MIUI not newer than 2 generations (e.g. 14.0.3 to 13.0.8, but not 12.5.4).

Instructions:

1. Download the desired firmware version in.zip format (not.tgz!) and rename the file to update.zip.
2. Place the file in the root folder of internal memory (not in subfolders!).
3. Press Volume Up + Power to Enter Recovery.
4. Choose a language (usually English or Chinese).
5. Go to Install update.zip to System and confirm the installation.
6. After you complete the process, select Reboot to System.

If there is no Install item in Recovery update.zip, So your device doesn't support this method. MIUI Downgrade Tool (see next section).

6.Rollback through MIUI Downgrade Tool (for advanced tools)

MIUI Downgrade Tool is a script based on ADB, It automates the downgrade process without unlocking the bootloader. It's suitable for models on Qualcomm Snapdragon (e.g., Qualcomm Snapdragon, POCO X3 Pro, Redmi K40) And it requires the debugging on. USB.

Step 1. Download the utility with XDA Developers and unpack the archive. Install the drivers. ADB on PC (for example, through Minimal) ADB and Fastboot).

Step 2. Connect your phone to your PC and check the connection:

adb devices

If the device is displayed (e.g, 1234abcd device - you can continue.

Step. 3. Run the script. downgrade.bat (for Windows or downgrade.sh (for Linux/Mac). Follow the instructions on the screen:

• 📌 Specify the path to the firmware file (.zip).
• 📌 Confirm the data reset (required!).
• 📌 Wait for the reboot in Fastboot and automatic firmware.

⚠️ Limitations:

• 🚫 Does not work on MediaTek devices (e.g. Redmi) 9A, POCO M3).
• 🚫 Does not support firmware older 2020 year (due to changes in structure) boot.img).
• 🚫 Can cause an anti-rollback error on new models (e.g. Xiaomi 12 Lite).

💡

MIUI The Downgrade Tool is the only way to roll back without unlocking the bootloader, but it only works on a limited number of models. XDA or 4PDA.

7.Recovery after a failed pullback

If after a downgrade the phone does not turn on, hovers on the logo or gives an error This MIUI Version cannot be downgraded, try the following steps:

🔧 Method 1: Re-routing through Fastboot

• 🔹 Download stable firmware version (not beta!).
• 🔹 Repeat the process using the Mi Flash Tool by selecting Clean All and Lock mode.
• 🔹 If the error is repeated, try flashing the recoil version (see for the 4PDA model).

🔧 Method 2: EDL Mode (emergency mode)

• 🔹 Connect your phone to your PC, press Volume Up. + Loudness down + Power for 10-15 seconds.
• 🔹 The device should be identified as Qualcomm HS-USB QDLoader 9008.
• 🔹 Use the Mi Flash Tool or QFil to Firmware in Mode EDL.

Attention: EDL Xiaomi account authorization is required (auth.ini file) without it, the firmware will not start.

🔧 Method 3: Contacting a Service Center

• 🔹 If the phone is in a hard-brick state (no button response, no PC detection), self-recovery is almost impossible.
• 🔹 Xiaomi’s official service centers can restore the device for a fee (from 1,500 to 5,000) ₽ model-wise).
• 🔹 Alternative – private masters specializing in Xiaomi (look for Avito or YouDo with reviews).

⚠️ Note: If your device was purchased abroad (e.g., the global version of the Redmi Note 11 for India), the firmware is available for purchase. EDL It may lead to a blockage. IMEI. This will require a refund via Xiaomi Authorized Service.

FAQ: Frequent questions about the rollback of Xiaomi firmware