Phone doesn't see Xiaomi's bluetuz headset: full fix guide

Are you trying to connect Xiaomi wireless headphones to a smartphone, but the device stubbornly doesn't see the headset on the list of available? the problem is found on Android smartphones (including Redmi models, POCO And Mi, and iPhone, and it can be caused by the phone's settings, and it can be caused by the headset itself, and it's mostly caused by software failures, profile conflicts, and so on. A2DP or AVRCP, or with hardware limitations (e.g., an outdated version of Bluetooth).

In this article, we’ll look at all the possible reasons why the phone doesn’t see Xiaomi’s bluetuz headset, from the banal (a discharged headphone battery) to the complex (a damaged Bluetooth chip in a smartphone). You’ll get step-by-step instructions for Redmi AirDots, Mi True Wireless 2, Xiaomi FlipBuds Pro and others, and learn how to diagnose a problem without going to the service center. If your headset has previously worked, but the Suddenly has stopped being determined, start with the section on resets. For new devices, first check the compatibility of the Bluetooth versions.

1. Checking the Obvious: 5 Basic Steps Before Setup

Before digging deep into the settings, make sure the problem isn’t on the surface. According to statistics, 30% of appeals in support of Xiaomi are solved after completing these simple steps:

• 🔋 Charging the headset: Xiaomi headphones do not turn on when the discharge is below 5%. Connect the case to charging for 10-15 minutes - the indicator should light up red or white.
• 📱 Bluetooth enabled on your phone: check that the module is activated in the notification curtain or in Settings → Connections → Bluetooth.
• 🎧 Headset pairing mode: on most Xiaomi models, you need to hold the button on the case for 3-5 seconds until the indicator starts flashing white / blue.
• 🔄 Reboot devices: Turn off and turn on the phone, and remove the headphones from the case and put back (to reset their state).
• 📌 Distance and interference: Make sure there are no walls, microwaves or other sources of interference between the phone and the headset (maximum distance for Bluetooth 5.0 is 10 meters).

If after this manipulation, the headset has not appeared in the list of available devices, move to the next section. Please note: some Xiaomi models (for example, Mi True Wireless Earphones 2 Basic) require a firmware update to work correctly with new smartphones.

2. Compatibility issues: Bluetooth versions and OS limitations

One of the common reasons why the phone doesn’t see Xiaomi’s bluetuz headset is because Bluetooth versions are incompatible. For example, Redmi AirDots 3 Pro headphones support Bluetooth 5.2, and older smartphones (for example, Redmi). 4A) This only works with Bluetooth 4.1, and devices may not see each other or connect with errors.

Check the compatibility on the table:

If your headset is newer than your phone, try the following solutions:

• 📱 Update the firmware of the smartphone: go to Settings → The phone. → Updating the system.
• 🔧 Install a patch for Bluetooth: for some Xiaomi models (e.g, POCO F1) There are unofficial firmware with support for new codecs.
• 🎵 Turn off energy saving: Battery mode → Energy saving can block Bluetooth scanning.

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If you have an iPhone, try Forget This Device for all previously connected Xiaomi headsets – sometimes iOS blocks new connections due to profile conflict.

3. Resetting the headset and phone settings

If Xiaomi’s headset used to connect to the phone but is not currently being identified, the cause may be a conflict of saved profiles, in which case resetting will help.

Resetting Xiaomi headset

For most models, the procedure is the same:

1. Put both headphones in the case and close the lid.
2. Press and hold the button on the case for 10-15 seconds (the indicator should flash red, then white).
3. Open the case cover – the headset should automatically go into pairing mode (blinking white light).

For Xiaomi FlipBuds Pro and Redmi Buds 4 Pro, the reset is done via the Mi Earphones app:

Open the application → Settings (⚙️) → Resetting headphones

Resetting the phone's network settings

On Android:

1. Go to Settings → System → Resetting settings.
2. Select Network Settings Reset (this will remove all stored Bluetooth devices and Wi-Fi).
3. Restart your phone and try to connect again.

On the iPhone:

1. Open the Settings. → Mainstream → Removing or resetting iPhone.
2. Select Reset → Reset network settings.

Make sure your headphones are over 20%|

Close all Bluetooth apps (music, games) |

Write down the name of the headset model (on the case case case case case case case case case)|

Prepare a second phone to check the performance

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4. Update Bluetooth drivers and headset firmware

Outdated Bluetooth drivers or headset firmware can cause connectivity problems. Mi True Wireless 2 headphones without a firmware update don't work with the aptX Adaptive codec on phones, for example. POCO X3.

Update of the firmware headset

For most Xiaomi models, the update is available through the official app:

1. Download Mi Earphones from Google Play or App Store.
2. Connect the headset to your phone (even if the sound doesn’t work).
3. Open the application and go to the Firmware Update section.
4. If a new version is available, follow the on-screen instructions (don’t turn off the headphones during the process!).

For models without application support (for example, Redmi AirDots S), the firmware update is possible only through a PC using the Xiaomi Flash Tool utility. MIUI SU.

Update Bluetooth drivers on your phone

On Android, drivers are updated with the system's firmware. Xiaomi/Redmi/POCO:

1. Go to Settings → About the phone → System update.
2. Press three points (⋮) and select Update Package (if available).
3. After the update, restart the phone.

On iPhone, Bluetooth drivers are updated automatically with the release of a new version of iOS. If the problem occurs after the update, try to roll back to the previous version through Settings. → Mainstream → iPhone Storage (find the update and remove it).

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If after updating the firmware headset stopped working - reset settings (section 3) and connect it again.

5. Conflicts with other devices and applications

Sometimes the phone doesn’t see Xiaomi’s bluetuz headset because of conflicts with other connected devices or background processes, such as when you’re simultaneously active:

• 🎮 Gamepad (e.g. Xiaomi Game Controller),
• 🚗 Automotive with Bluetooth Hands-Free support,
• ⌚ Smartwatches (Mi Band, Amazfit),
• 💻 Laptop or PC in range.

To avoid conflicts:

1. Disable all other Bluetooth devices in Settings → Connections → Bluetooth.
2. Close applications that can use Bluetooth in the background: 🎵 Music players (Spotify, YouTube Music), 🎮 Games with support for gamepads (Call of Duty Mobile, PUBG), 🚗 Car applications (Android Auto, CarPlay).

safe-haven

Xiaomi

If a conflict occurs with another headset (for example, you’re trying to connect Xiaomi and Sony at the same time), remember: most smartphones only support one audio device over Bluetooth in mode. A2DP (To connect the second headset, first turn off the first one.

6 Hardware problems: when without service can not do

If none of the software methods worked, the problem may be in the hardware, and here are the signs that it's time to contact the service:

• 🔌 Bluetooth phone module: phone doesn't see any Bluetooth devices (not just Xiaomi headset).
• 🎧 Damaged headset chip: Headphones don’t turn on, charge or flash red when connected.
• 🔋 Bloated Case Battery: If Case Case Case Case Case Is Deformed, This Can Block Headphone Contacts.
• 📡 Bluetooth antenna: phone only sees devices less than 1 meter away (sign of antenna damage).

To diagnose hardware problems:

1. Try connecting the headset to another phone (preferably the same model), and if it's not identified, the headphones are the problem.
2. Check if the phone sees other Bluetooth devices (like a speaker or a watch) and if it doesn't, it's a problem in the phone's module.
3. Examine the contacts of the case and headphones for oxidation or contamination (wipe with alcohol).

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If the Xiaomi headset fell into the water, don't try to turn it on! put it in rice for 24 hours, then dry it at minimum temperature.

The cost of repairs in official service centers Xiaomi:

⚠️ Warning: if the phone falls or gets wet, don't plug the headset until full diagnosis! a short circuit in the Bluetooth module can disable the headphones.

7. Alternative ways of connecting

If the standard connection doesn’t work, try alternative methods:

Connecting with the Mi Earphones app

Some Xiaomi models (such as FlipBuds Pro) support direct connection via the company’s app:

1. Install Mi Earphones from the official store.
2. Open the app and click Add the device.
3. Follow the instructions on the screen (usually you need to hold the button on the case).

Use of the developer mode

On Android, you can manually set Bluetooth parameters:

1. Activate Developer Mode: Go to Settings → About Phone and click on MIUI Version 7 times.
2. Back to Settings → Additionally. → For developers.
3. Find the Bluetooth Settings section and select: Bluetooth Codec → SBC (Best compatible, audio quality → Balanced.

Connection through ADB (advanced)

If the headset is determined, but not connected, you can reset its settings through ADB:

adb shell settings put global bluetooth_headset_priority 0


adb shell settings put global bluetooth_a2dp_sink_priority 0

After completing the commands, restart the phone.

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If the Xiaomi headset connects, but the sound is interrupted – try to turn off HD-audio in Bluetooth settings (on some phones this causes lags).

8 How to avoid problems in the future

To avoid any more connection problems, follow these guidelines:

• 🔄 Update your headset and phone firmware regularly (especially if you’re using Mi True Wireless 3 or later).
• 📴 Turn off Bluetooth when not using the headset – this reduces the risk of conflicts with other devices.
• 🔋 Don’t discharge your headphones to zero – it can damage your Bluetooth controller.
• 🧹 Clean the contacts of the case and headphones once a month with a cotton swab dipped in alcohol.
• 📱 Do not use “optimizers” (e.g. Clean Master) – they often close the background Bluetooth processes.

If you frequently connect the headset to different devices (for example, your phone and laptop), use the Quick Switch feature in Mi Earphones.

⚠️ Warning: Don’t store your Xiaomi headset near magnets (like a refrigerator) – this can damage your Bluetooth chip!

FAQ: Frequent questions