How to safely roll back firmware on Xiaomi TV: all methods and risks

Updating firmware on Xiaomi TVs usually goes smoothly, but sometimes new versions of the software bring more problems than benefits. interface bugs, loss of functionality or incompatibility with favorite apps cause users to look for ways to go back to the previous version. However, the rollback of firmware on Xiaomi TV — A procedure with nuances that, if you do wrong, can turn a TV into a brick».

In this article, we will discuss all the working methods of rollback (through the USB-accumulator, ADB-We'll give you commands and service menus, and we'll give you the models that they're good for, and we'll warn you against common mistakes. TV 4/4S/4A/4X) Google TV (Mi TV Q1/Q2), If you're not sure about your abilities, you'd better go to a service center, but if you follow the instructions accurately, the risks are minimal.

Why you might need to roll back firmware

The manufacturer rarely admits the problems of new versions of the software, but users of Xiaomi TV Often encounter the following problems after the update:

• 🔄 Interface freezes – lags when switching channels or opening menus, especially on models with 1-2 GB of RAM (Mi) TV 4A 32", Mi TV 4S 43").
• 🎮 Problems with the game mode - the support is lost ALLM (Auto Low Latency Mode or VRR on Mi TV Q2 55" and newer.
• 📱 Broken apps – for example, YouTube or Netflix – give an error when you launch due to changes in the app. DRM-protection.
• 🔊 Sound distortions – wheezing at high volume or no sound through HDMI ARC.
• 🌐 Network errors – the TV does not connect to 5 GHz Wi-Fi or loses connection every 10-15 minutes.

Sometimes a rollback is required after a failed manual update, when the TV is stuck on the Mi logo or reboots cyclically, in such cases, going back to the previous firmware is the only way to bring the device back to life without visiting the service center.

⚠️ Warning: Firmware rollback will reset all TV settings to factory settings. Write down network settings, associated accounts (Mi Account, Google) and image/sound settings in advance.

Preparation for rollback: what to do in advance

Before starting the procedure, make sure you have:

• 📁 The firmware file is the exact version you want to roll back to (you can download from the official Xiaomi Support website or forums like this one). 4PDA).
• 💾 USB-storage device FAT32 (not NTFS or exFAT!) with a volume of at least 4 GB.
• 🔧 Cable HDMI — to connect to another device (e.g., a laptop) when using the method through ADB.
• ⚡ Uninterruptible power supply – rollback should not be interrupted due to a power outage.

It is important to check the current firmware version and the TV model.

1. Go to Settings → About TV → The version of the software.
2. Write down the full name of the model (e.g., Mi). TV 4X 50 T2) and assembly number (e.g, MSP42_2.0.0.230418).

I downloaded the correct version of the firmware for my model|

Formatted. USB-storage FAT32|

Created a backup of the settings|

Disabled all peripheral devices (prefixes, soundbars)|

Prepared a source of uninterruptible power supply-->

If you’re rolling back to a version older than the one you installed on your TV when you bought it, consider that some features (like Dolby Vision or Google Assistant) may stop working.

Method 1: Recoil through USB-storage device (for most models)

This is the most versatile way to fit Xiaomi TVs on the PatchWall platform (Mi). TV 4/4S/4A/4X) and some of the models from Google TV (Mi TV Q1). It does not require an internet connection and works even if the TV is not switched on normally (but responds to the power button).

Step 1: Downloading the firmware

The firmware file must have a.zip extension and match the exact model of your TV. TV 4A 32" (L32M5-5AIN) Only a labeled firmware will do. L32M5 It's in the title:

• From the official website of Xiaomi (support section).
• From forums 4PDA or XDA Developers (Search for themes by model).

Step 2: Preparation USB-storage

Format the flash drive into FAT32 (use the utility SD Formatter for reliability. Create a folder on it called upgrade and put a firmware file in it:

USB- Storage:


└── upgrade/




└── msp42_1.9.0.221215.zip (example file name)

Step 3: Launching a rollback

Put the flash drive in. USB-TV port (preferably to port) USB 2.0 if there are more than one:

1. Turn off the TV with a button on the remote.
2. Squeeze the Menu combination + Volume Down on the remote (or Menu) + Input for some models) and, holding them, press the power button on the TV.
3. Hold the buttons for 10-15 seconds until the recovery menu appears.
4. In the menu, select Apply update from USB (Or similar in Chinese - use a translator with a photo).
5. Confirm the start of the process and wait until the process is completed (usually 5-10 minutes).

The TV will reboot automatically, and if you have the No command sign or the TV hanging on the logo, repeat the procedure or try another method.

⚠️ Attention: On TVs with Google TV (Like Mi. TV Q2) The combination of buttons to log into the recovery menu may be different. + Volume Up when switched on.

Method 2: Recoil through ADB (for advanced users)

This is a good option if you have access to the Android debugging bridge (ADB) And the TV turns on, but it's unstable. It's more flexible than the TV. USB-It's a method, but it requires command line skills. TV Google TV (Mi TV Q1/Q2, Mi TV A Pro).

Step 1: Enabling the Developer Mode

Activate the developer mode on the TV:

1. Go to Settings. → On TV.
2. Find the Build Number and click on it 7 times in a row until you become a developer!
3. Go back to the main settings menu and open a new section for developers.
4. Activate the debugging options by USB Debugging over the network (if you plan to connect over Wi-Fi).

Step 2: Connecting to the TV

Install. ADB Tools to your computer (download from Android Developers site). Connect your TV to your PC via USB net:

• 🔌 Po Po Po USB: Use a data-enabled cable (not all) USB-charging cables will do).
• 📶 By Wi-Fi: in the developer settings find IP-Address and connect with the command: adb connect 192.168.x.x:5555 (substitute 192.168.x.x real IP).

Step 3: Install the firmware through ADB

Download the firmware file (.zip) placed in the folder with ADB and execute commands:

adb devices # check the connection


adb sideload msp42_1.9.0.221215.zip # Replace your file

It takes 5-15 minutes, and when it's done, the TV will restart.

⚠️ Warning: If adb: failed to read command: No error appears during installation, check firmware file integrity or try another one. USB-On some models of Xiaomi TV You need to disable signature verification in the developer settings (Disable verification).

💡

If the TV is not installed through ADB, Try restarting it in Fastboot mode (hold the power button for 30 seconds) and reconnect.

Method 3: Recoil through the service menu (for power users)

This method is suitable for Xiaomi TVs on the PatchWall platform (Mi series). TV 4/4S/4A) And lets you roll back to the factory firmware without USB-But it requires care, because wrong actions can lead to loss of functionality.

Step 1: Enter the service menu

Turn off the TV, then:

1. On the remote, press the Menu buttons. + Volume Up.
2. Holding them, press the power button on the TV.
3. Hold the buttons for 10-15 seconds until a blue menu appears (in English or Chinese).

Step 2: Selecting a firmware

On the service menu:

1. Go to the Software Update (or Chinese) section.
2. Choose Local Update (if any) or Downgrade.
3. Specify the path to the firmware file (if connected) USB-drive) or select the version from the list of available.

Step 3: Confirmation of rollback

Once you have selected the version, the system will prompt you to confirm the action. Some models will require you to enter the code 1234 or 0000. Wait for the process to be completed (the TV will restart 2-3 times).

If the service menu does not have a rollback option, then your model does not support this method. USB or ADB.

💡

The service menu allows you to roll back only those versions of firmware that were previously installed on the TV. If you upgraded from the factory version to the new, you will not be able to return "clean" firmware in this way.

Compatibility table of rollback methods with Xiaomi models TV

Not all methods work on all TVs, and the following is a compatibility table for popular models:

If your model is not in the table, check the information in the forums or in official support Xiaomi. For TVs 2023-2026 (for example, Xiaomi). TV A 2026) rollback methods may differ due to changes in security policy.

What to do if the retracement fails

If the TV doesn’t turn on after rolling back, hovers on the logo or gives an error, try the following steps:

• 🔄 Repeat the procedure – sometimes a second attempt with the same firmware helps.
• 📁 Check the firmware file – download it again and compare checksums (MD5 or SHA-1).
• 🔌 Reset the settings - pinch the Menu + Volume Up when you turn on, select Wipe data/factory reset.
• 🛠️ Contact the service - if the TV does not respond to buttons, it may be damaged by the bootloader firmware.

On Google TVs TV (Mi TV Q2) After a failed recoil, an error may occur "TV is starting..." with infinite download:

1. Turn off the TV for 1 minute.
2. Hold on Home. + Back on the remote and turn on the TV.
3. In the Restore Menu, select Apply update from ADB and re-install the firmware.

⚠️ Note: If the TV requires authorization to Mi Account after rollback, but you do not remember the data, restore access through account.xiaomi.com. Without an associated account, some functions (for example, Mi Home) may not work.

FAQ: Frequent questions about Xiaomi firmware rollback TV