Bluetooth on Xiaomi: full instructions for setting up and troubleshooting

Modern Xiaomi smartphones are equipped with advanced Bluetooth modules that allow you to connect not only headphones or speakers, but also fitness bracelets, smart watches, keyboards, gamepads and even car multimedia systems. However, many users face difficulties when first setting up or connecting new devices. In this article, we will analyze all the nuances of working with Bluetooth on Xiaomi – from basic settings to solving rare errors.

Feature of firmware MIUI It's a set of extra features that aren't available in standard Android, like Dual Connect for headphones, audio priority settings, and even hidden settings for developers. If you have never set up Bluetooth on your Xiaomi or are faced with constant communication interruptions, this guide will help you understand all the subtleties. MIUI 14 and MIUI 15, as well as features for popular models such as the Redmi Note 12, POCO X5 Xiaomi 13.

1. How to turn Bluetooth on Xiaomi: basic steps

Before you connect any devices, you need to activate the Bluetooth module on the smartphone itself. MIUI You can do this in a number of ways, through the notification panel, through the settings, or even through the voice assistant.

The fastest method is to use a notification curtain. Swipe down from top to bottom across the screen to open the quick access bar. Find a Bluetooth icon (a stylized "B" or wireless icon) and tap it once. If the icon is lit in blue, the module is turned on. If the color is grey, Bluetooth is disabled, POCO F5) It may take a long time to move to the advanced settings.

• 📱 Over the Notification Curtain: Quick Access, but Limited Settings.
• ⚙️ Settings menu: full control over Bluetooth settings.
• 🎤 Voice Assistant: Say “OK Google, turn on Bluetooth” (activated with activated assistant).
• 🔌 Automatic Turn on: Some devices (e.g. Xiaomi Buds) activate Bluetooth when opening the case.

For full control, go to Settings → Connections and sharing → Bluetooth. Here you will see a complete list of previously connected devices, as well as the Search for devices to add new ones. Pay attention to the device visibility switch - if it is active, your smartphone can detect other gadgets in range (useful for file transfers).

2. Step-by-step connection of devices via Bluetooth

The connection process depends on the type of device. For example, Xiaomi Buds headphones are automatically connected when first turned on, and for the speaker. JBL Charge may need to be entered PIN-We're going to break down the generic manual that's suitable for most gadgets.

First, make sure that the device you want to connect is in pairing mode. Usually, you need to press the power button on the device. 3-5 Or hold the Bluetooth button on the speaker, and the indicator should start flashing quickly, which is a signal that the gadget is ready to connect:

1. Open Settings → Bluetooth.
2. Activate the search for new devices (Search or Update button).
3. In the list, find the name of your device (for example, Mi Band 7 or Sony). WH-1000XM5) and tap him.
4. Confirm pairing on both devices (sometimes required to enter) PIN-The default code is 0000 or 1234).
5. Wait for the message Connected.

If the device does not appear in the list, check:

• 🔋 Battery charge gadget (discharged headphones will not be visible).
• 📶 Distance between devices (maximum 10 meters without obstacles).
• 🔄 The pairing mode on the gadget (sometimes you need to re-activate it).
• 📱 Updates to the firmware on the smartphone (in MIUI 15 fixed connection errors LE Audio).

Charge the connected device

Activate the pairing mode on the gadget

Make sure Bluetooth is enabled on Xiaomi

Stay within radius. 1-2 meters from the device

Update MIUI last-minute-->

Xiaomi models with Snapdragon 8 Gen 2 chip (such as Xiaomi 13 Ultra) support technology LE Audio, which allows you to connect up to 4 pairs of headphones simultaneously with minimal audio latency. If your device supports this standard, a separate item will appear in the Bluetooth settings. LE Audio.

3. Advanced Bluetooth settings in MIUI

Firmware MIUI It offers some unique features that are not available in standard Android, such as setting the priority of sound for different devices, activating dual connection (for headphones), or even limiting data transfer speeds to save battery life.

To open the advanced settings, go to Settings → Connections and sharing → Bluetooth and tap the icon ⚙️ In the upper right corner, you'll find this:

The dual connection feature deserves special attention. It is available on models with MIUI 14 and newer, but it doesn't work with all the headphones:

1. Connect the headphones to your smartphone.
2. Open the advanced Bluetooth settings.
3. Find the Double Connection and activate it.
4. Now the headphones can be connected to a second device (for example, to a MacBook or iPad).

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If there is no “Sound Quality” option in Bluetooth settings, update the firmware to MIUI 15 Check the compatibility of your headphones with codecs. LDAC/AAC.

4. Solving Common Bluetooth Problems

Even on new Xiaomi smartphones, users are facing connection errors, audio interruptions, or inability to detect devices, most often due to software failures, outdated drivers, or conflicts between connected gadgets, and we have put together proven ways to solve typical problems.

Problem 1: The device is not detected

• 🔄 Reboot both devices (smartphone and gadget).
• 📱 Remove the device from the list of conjugates and try to connect again.
• 🔧 Reset network settings on your smartphone: Settings → The phone. → Resetting settings → Resetting Wi-Fi, Mobile Network and Bluetooth.
• 🔗 Check if your device supports Bluetooth 5.0+ (Older speakers may not be compatible with new smartphones).

Problem 2: Constant communication breakdowns

⚠️ Note: If the headphones or column are turned off through 5-10 seconds after connection, the problem may be in energy saving settings MIUI. Add an app that uses Bluetooth (like Spotify or YouTube Music) to the battery exclusion list: Settings → Battery → Choice of applications → No restrictions.

Problem 3: Low sound quality or delay

• 🎧 Turn off the codec. LDAC in Bluetooth settings (may cause lags on some devices).
• 📵 Make sure there are no sources of interference (microwaves, other Bluetooth devices) nearby.
• 🔊 Check the sound uniformity settings in the music player app.
• 🔄 Reconnect the device manually.

Problem 4: The microphone in the headphones is not working

⚠️ Note: Some Xiaomi models (e.g. Redmi Note 11) after upgrading to MIUI 14, there's a microphone bug in the Bluetooth headset. Solution: Go to Settings. → Annexes → Permit management → Microphone and give access to Bluetooth app.

5. Hidden Bluetooth features on Xiaomi

Few people know, but in MIUI There are hidden Bluetooth capabilities that can be activated through developer mode or special commands, which allow you to improve connection stability, reduce audio delays, or even connect to multiple devices at once (even if this is not officially supported).

One of the most useful hidden options is Bluetooth Audio Codec. MIUI It picks the codec automatically, but sometimes it causes a problem with the sound, so you can manually select the codec:

1. Activate Developer Mode (Tap the MIUI version 7 times in your phone settings).
2. Go to Settings → Additional → For developers.
3. Find the Bluetooth Codec and select AAC (for stability) or aptX (for better sound if the device supports).
4. Reconnect the headphones.

Another useful feature is Absolute Volume, which, if enabled, will only be adjusted on your smartphone, not your headphones, to turn it off (recommended for smoother adjustment):

adb shell settings put global bluetooth_absolute_volume_enabled 0

This command needs to be entered through ADB (setup ADB For Xiaomi, you will find it in our separate article).

For owners of Xiaomi with Snapdragon chip 888/8 Gen 1/2 There's an experimental Dual Bluetooth feature available that allows you to connect two audio devices at the same time (e.g., headphones and a speaker) to activate it:

• Install Activity Launcher from Google Play.
• Find the activity list at com.android.settings.bluetooth.BluetoothPairingDialog.
• Run it and try to connect the second device.

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Hidden Bluetooth settings can improve sound and stability, but not all features are officially supported by Xiaomi. Use them at your own risk, especially if your device is still warranty.

6.Battery safety and savings when using Bluetooth

Many users fear that Bluetooth will drain the battery or make the smartphone vulnerable to hacker attacks.In fact, modern versions of Bluetooth (5.0 and later) consume minimal amount of power, and the risk of hacking is reduced to zero if you follow basic security rules.

To reduce battery consumption:

• 🔋 Turn off Bluetooth when you don’t need it (for example, at night).
• 📵 Limit the visibility of the device: Settings → Bluetooth → Visibility of the device → Off.
• 🔄 Use the Auto-Disable feature (available in some firmware) MIUI charge-saving).
• 🔌 Update the firmware: in MIUI 15 Optimized energy consumption when working with Bluetooth LE.

To protect against potential attacks:

• 🔐 Always confirm pairing on both devices.
• 🚫 Do not connect to unknown devices (such as Free Wi-Fi or ShareMe in public places).
• 🔄 Regularly remove unused devices from the list of associated devices.
• 📱 Install a network activity monitoring app (like NetGuard) to track suspicious connections.

Myths about Bluetooth that you should not believe:

• ❌ "Bluetooth drains the battery on 50% In an hour” – in fact, consumption does not exceed 5-10% post 8 busy-hour.
• ❌ "Hackers can steal your data via Bluetooth – you need to be physically close to them and have specialized equipment.
• ❌ "New Bluetooth versions are not compatible with older devices: Bluetooth 5.0 Supports backward compatibility with Bluetooth 4.0/4.2.

7. Bluetooth features on popular Xiaomi models

Although all Xiaomi smartphones are working on MIUI, Some models have unique features of the Bluetooth module, which is due to different processors (Snapdragon, MediaTek, Dimensity) and versions of the chips.

If you own Xiaomi 13 Ultra or Xiaomi 14, pay attention to the Bluetooth feature LE Audio. It allows you to connect up to 4 pairs of headphones at the same time with minimal latency:

1. Update the firmware to MIUI 15.
2. Connect the headphones that support LE Audio (e.g. Xiaomi Buds 4 Pro).
3. In Bluetooth settings, activate the item LE Audio.

Models with a MediaTek chip (such as the Redmi Note 11 Pro) have a problem with audio delays when watching videos.

• Turn off the codec. LDAC developer-setting.
• Use apps with manual audio synchronization settings (e.g, VLC).
• Activate Game Turbo Mode in Settings → Additionally. → Game mode.

FAQ: Frequent questions about Bluetooth on Xiaomi