How to update the firmware headphones Xiaomi Mi True Wireless: the full guide

Xiaomi Mi True Wireless headphones (including Basic 2, SE, TWS 2 and others) regularly receive firmware updates that improve sound, connection stability and battery life. However, many users face difficulties when trying to update the software β€” the headphones are not defined in the application, the process is frozen, or the new version simply does not install. In this article, we will discuss all official and alternative ways to update, and also explain how to avoid typical errors.

It's important to understand that the firmware for Mi True Wireless is distributed through the Mi Home app (now Mi Fitness for some regions), but there are hidden methods for forced installation. If your headphones started to glitch after the upgrade or stopped turning on at all, do not panic: in 90% of cases, the problem can be solved without going to the service center. Next, you will find step-by-step instructions for each model, a firmware compatibility table and answers to frequent questions.

1. How to check the current firmware version

Before you update your headphones, make sure the new firmware version is actually available.

  1. Connect the headphones to the smartphone via Bluetooth.
  2. Open the Mi Home app (or Mi Fitness if you have international firmware).
  3. Go to the Profile section β†’ My devices and choose your headphones.
  4. Click on the three dots in the top right corner and select Device Information.

In the window that opens, you will see the firmware version line (for example, V4.7.1_20231012). The last two groups of digits indicate the date of release of the firmware (year/month/day). 6 months - it is recommended to update.

πŸ“Š What model of Mi True Wireless you use?
Basic 2
SE
TWS 2
Another model
I don't know.

If the app doesn’t show a firmware version, try an alternative way:

  • πŸ“± For Android: use the nRF Connect app (available on Google Play). Connect your headphones and in the Device Information section, find the Firmware Revision field.
  • 🍎 For iOS: In Bluetooth settings, click on the i icon next to the headphone name – sometimes the version appears there.

2.Official method: Update via Mi Home

The safest method is to use a proprietary app. Here's how to do it:

Make sure your headphones are at least 50% charged | Connect them to your smartphone via Bluetooth |Close all background apps except Mi Home |Plug your phone to stable Wi-Fi

-->

  1. Open Mi Home and go to the Profile β†’ My Devices tab.
  2. Choose your Mi True Wireless headphones from the list.
  3. If you have an update available, you'll see a notification with the Update button. Click on it.
  4. Confirm the action and wait for the process to be completed (usually takes 3-5 minutes).

During the update, do not turn off Bluetooth or remove the headphones from the case (if they are in it). If the process is suspended during the Prepare for Update stage for more than 10 minutes, restart the headphones (press the button on the case for 10 seconds) and try again.

⚠️ Warning: If your headphones are connected to multiple devices (like your phone and laptop), disconnect them from all gadgets except the one from which the update is being performed.

Once the upgrade is successful, the headphones will automatically restart. To make sure everything goes right, check the firmware version again according to the instructions in the first section.

3. Alternative ways of updating

If the official method doesn’t work (for example, the app doesn’t see the headphones or doesn’t offer an update), you can try the following options:

Method 1: Forced search for updates

Sometimes Xiaomi servers won't immediately recognize your device as needing an upgrade.

  1. Open Mi Home and go to the headphone settings.
  2. Find the Firmware Update section (may be called Firmware Update).
  3. Click on three dots in the corner and select Check for updates.
  4. If the message β€œNo Update” appears, repeat the check after 1-2 hours – sometimes Xiaomi servers give false negative results.

Method 2: Update via computer (for advanced users)

This method is suitable if the headphones are not defined at all in the Mi Home.

  • πŸ’» Windows computer 10/11
  • πŸ”Œ USB-Case connection cable (not all models support this!)
  • πŸ“ Firmware in.bin or.fw format (can be found on forums) 4PDA Xiaomi Community)

Instructions:

  1. Download the Mi Flash Tool from the official Xiaomi website.
  2. Connect the case with headphones to the computer when it is off (press the button on the case for 15 seconds to make sure it is turned off).
  3. Launch the Mi Flash Tool, select the downloaded firmware file and press Flash.
  4. Wait for the process to be completed (the case may flash red lights – this is normal).

⚠️ Warning: Incorrectly selected firmware can turn headphones into a "brick." Use only files intended for your model (for example, use the files intended for your model, MTW2 For the Mi True Wireless 2).

What to do if the computer does not see the case?
If you are connecting the case to USB The computer does not make a connection sound and does not detect the device, try: 1. Use another cable (original from Xiaomi). 2. Connect the case to the back. USB-port of the system unit (if you have a PC). 3. Install the Qualcomm QDLoader driver manually through Device Manager (you can download it on the Qualcomm website). 4. Try another computer - sometimes a problem in the computer. USB-motherboard controller.

4. Compatibility table for different models

Not all firmware is suitable for all Mi True Wireless versions, and the following is a table with the latest versions of the software for June 2026:

Model headphonesLast stable firmware.Release dateMain improvements
Mi True Wireless Basic 2V4.7.1_2023101212.10.2023Improved noise suppression, bugs with iOS connection fixed
Mi True Wireless SEV3.5.8_2023081515.08.2023Optimized energy consumption, support LC3-codec
Mi True Wireless 2 (MTW2)V5.2.3_2026032020.03.2026New ANC algorithm, fixes sound delays in games
Mi True Wireless 2SV5.1.1_2023113030.11.2023Support for fast pairs (Fast Pair) for Android 12+

If your model is not in the table or the firmware version is different, check the current information on the official Xiaomi website (section "Support β†’ Firmware Update").

5. Typical update errors and their solutions

Even when following the instructions, users often face problems.

Error 1: "I was unable to connect to the server"

Causes and solutions:

  • 🌐 Internet problems: Connect your phone to another Wi-Fi network or use mobile internet (4G/5G).
  • πŸ“΅ Mi Home Blocking: In some regions (e.g. China) updates are required VPN. Try connecting via a server in Hong Kong or Singapore.
  • ⏳ Server congestion: Try updating at other times (e.g. at night).

Error 2: Headphones are not defined in Mi Home

What to do:

  1. Remove the headphones from the list of Bluetooth devices on your phone.
  2. Reset the headphones to factory settings: press the button on the case for 15 seconds until the indicator flashes red and white.
  3. Reinstall the Mi Home app.
  4. Reconnect your headphones with Add Device β†’ Audio β†’ Mi True Wireless

Error 3: The update process has stalled

If the progress bar has stopped in one place for more than 10 minutes:

  • πŸ”„ Reset the headphones (press the button on the case for 10 seconds).
  • πŸ“± Reboot the phone.
  • πŸ”Œ If you update through the computer - disconnect and reconnect the case to the USB.

πŸ’‘

If the headphones don't turn on after a failed upgrade, put them in a case and plug them into a charger for 30 minutes, often helping to restore performance.

6. How to roll back firmware (downgrade)

If the headphones start to work worse after the upgrade (for example, wheezing in the sound or the quality of communication deteriorated), you can return the previous version of the firmware.

  • πŸ”§ You have a backup of the old firmware (.bin file).
  • πŸ’‘ You understand that Xiaomi’s warranty does not apply to this case.

Instructions for rollback:

  1. Download the desired firmware version from a trusted source (for example, from a 4PDA theme dedicated to your model).
  2. Connect the case with headphones to the computer in firmware mode (usually you need to press the button on the case for 20 seconds until the indicator starts flashing yellow).
  3. Use the Mi Flash Tool or QFil utility (for Qualcomm chips) to install the old firmware.
  4. Once the process is complete, don’t plug the headphones into the Mi Home for 24 hours – give them time to stabilize.

⚠️ Note: Firmware rollback on Mi True Wireless 2 and later may block the function ANC (In some cases, this can only be corrected by flashing in the service center.

7 How to check if the update has been successful

After installing a new firmware, it is recommended to perform several checks:

  • πŸ”Š Sound test: Play a track with deep bass (like 40Hz) and high frequencies (16kHz). new firmware should not have wheezing or dips.
  • πŸ“Ά Communication test: Step 10 meters away from your phone (with obstacles like walls) If the sound starts to break, the firmware may not be installed correctly.
  • πŸ”‹ Battery test: Fully discharge and charge the headphones. the operating time should be as stated (for example, for the purpose of the battery). MTW2 β€” at least 5 hours on a single charge).

If you notice any deterioration in any of the parameters, try:

  1. Reset the headphones to factory settings.
  2. Reinstall the firmware again.
  3. Contact Xiaomi with the logs from the Mi Home app (Review section).

πŸ’‘

After a successful upgrade, remember to reset the Bluetooth cache on your phone. To do this, remove the headphones from the list of devices and connect them again.

FAQ: Frequent questions about Mi True Wireless update

Can I upgrade my headphones without the Mi Home app?
Officially, no. However, for some models (such as Mi True Wireless 2), there are informal firmware that can be installed via a computer using utilities like QFil or Mi Flash Tool. We do not recommend that unofficial software contain errors or even malicious code.
Why did the headphones become discharged faster after the update?
This is a typical problem when switching to newer versions of firmware, most often to blame: new audio processing algorithms (like improved noise reduction) that increase the load on the processor; power errors (fixed in the following patches); Solution: reset your headphones and wait for the next update; if the problem persists, roll back to the previous firmware.
How to update the firmware if the headphones are not turned on?
If the headphones don't respond to the buttons and don't charge, try: Put them in the case and connect the case to charge for 1 hour. Press the button on the case for 30 seconds (sometimes this resets the "hung" firmware). If the indicator does not light up, the problem may be a hardware breakdown (for example, in the battery).
Can you upgrade only one headphone?
No, the firmware is installed on both earphones simultaneously, unless one of them is updated (e.g., an error is displayed "Left/Right earbud update failed, this indicates a hardware problem: Try: Clean the contacts on the earbud and in the case with a cotton swab dipped in alcohol, change the headphones to places in the case (sometimes helps with charging problems). If nothing helps, the earbud requires replacement.
Where to download the firmware for manual update?
Xiaomi's official firmware is not publicly available, but it can be found on the forums. 4PDA (In telegram channels like Xiaomi Firmware, on sites like Xiaomi Firmware Updater (which has a firmware archive for wearables). ⚠️ Warning: Download files only from trusted sources. firmware from questionable sites may contain viruses or be targeted at other models.