How to reset Bluetooth settings on Xiaomi: a complete guide with error solutions

Why Xiaomi’s bluetooth starts to glittle and when you need a reset

Are you trying to plug in Xiaomi AirDots headphones or Mi Band fitness bracelets, but your smartphone is persistently “not seeing” them? Or is the connection constantly breaking after 10 seconds? Bluetooth problems on Xiaomi are one of the most common complaints users have, and 80 percent of the time they are solved by simply resetting the module, but before you rush into the settings, it’s important to understand what exactly went wrong.

Bluetooth malfunctions on Xiaomi, Redmi and POCO devices are usually related to:

• 🔄 Cache conflicts – temporary files MIUI They accumulate and interfere with the correct operation of the module.
• 📱 Firmware errors – especially after updates MIUI (For example, switch from 13 to 14 version).
• 🔋 Energy Saving – Aggressive Battery Optimization Can “Sleep” a Bluetooth Module.
• 🔗 Damaged pairs of devices – if previously connected gadgets were removed incorrectly.

Resetting Bluetooth settings is not a panacea, but a first step to try before flashing or visiting a service center. In this article, we will discuss 4 reset methods (including hidden ones), and how to avoid the mistakes that users make when setting up.

Method 1: Standard reset via MIUI settings

The easiest and safest method is to use the built-in reset feature in the settings menu.It is suitable for all Xiaomi models on MIUI 12 and later, including the Redmi Note 12, POCO X5 and Mi 11. The main advantage of this method is that it does not affect other phone settings (Wi-Fi, mobile network) and does not require superuser rights.

To perform the discharge:

1. Open the Settings app (cog icon).
2. Go to Connections and Sharing (or Bluetooth in older versions of MIUI).
3. Slip on Bluetooth, then tap on the three dots in the top right corner and select Reset settings.
4. Confirm the action by pressing OK in the dialog box.

Once reset, the phone will automatically restart (some models require manual restarts) and all the stored devices will be removed, and you will have to reconnect them. If this method doesn't work, move on to the next method.

Make sure there are no important connected devices (such as smartwatches) around.

Remember or write down. PIN-reconjugation

Check the battery (should be at least 30%)

Turn off Bluetooth before reset (optional)

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Method 2: Resetting through “Special Capabilities” (hidden method)

Few people know, but Xiaomi has a hidden Bluetooth diagnostic menu that allows you to perform a deep reset module without losing other data. This method is useful if the standard reset did not work or Bluetooth does not turn on at all. Works on all devices with MIUI 11 and above.

Instructions:

1. Open the Settings. → The phone.
2. Tap 5 times in a row on the MIUI version until the notification “You became a developer” appears.
3. Return to the main settings menu and open Additional → for developers.
4. Activate the USB Debugging Switch (if not already enabled).
5. Now open the Phone app and enter the combination: ##2846579###.
6. In the menu that appears, select ProjectMenu → Bluetooth → BT Reset.

⚠️ Note: After entering the #2846579## code on some models (e.g. Redmi) 9A) You can open a menu in Chinese. Don't change other settings in this mode, it can cause a system crash!

This method resets all Bluetooth settings at the firmware level, including hidden power saving options. If the module still does not work after the reset, the problem may be in the hardware (for example, the antenna cable is damaged).

Method 3: Complete network reset (including Bluetooth)

If Bluetooth problems are accompanied by Wi-Fi or mobile internet failures, it makes sense to perform a complete network reset, VPN-configurations and passwords, but often helps with system conflicts. Suitable for all Android 10 and newer devices.

How to do this:

1. Open Settings → SIM cards and mobile networks (or Connections).
2. Select Network Reset (on some models, path: Settings → System → Additional → Network Reset).
3. Confirm the action by entering PIN-code.
4. Wait for the phone to restart (it will take 1-2 minutes).

⚠️ Note: After a complete network reset, you will have to re-enter Wi-Fi passwords and configure VPN (If you have used it, then you have two models. SIM-cards (for example, Redmi Note 12 Pro)+) Reset can reset SIM card priority for calls.

Method 4: Reset via Safe Mode (if Bluetooth is glitching because of apps)

Sometimes, third-party applications cause problems with Bluetooth, especially those that use geolocation or work in the background (e.g. fitness trackers, voice-call messengers). To check this, you can download the phone to Safe Mode, where all third-party apps are disabled.

How to start Safe Mode:

1. Press the power button on the phone turned off.
2. When the shutdown menu appears, press the icon to turn off power for 3-5 seconds.
3. Confirm the transition to Safe Mode by pressing OK.

In safe mode:

• 🔍 Check if Bluetooth is working (try connecting your headphones).
• 📱 If everything works, the problem is in one of the installed applications.
• 🔄 Get out of Safe Mode with the usual restart.
• 🗑️ Remove apps one at a time, starting with the last ones installed, and check Bluetooth after each uninstallation.

💡

To speed up the culprit search, open Settings → Applications → Application Management and sort the list by installation date. Start checking with the latest programs.

What to do if the reset did not help: diagnosis of hardware problems

If none of these things brought Bluetooth back to life, the problem could be hardware.

• 🔌 Bluetooth does not turn on at all (tumbler in the settings is inactive).
• 📶 The device doesn’t detect any gadgets, although they work with other phones.
• 🔥 The phone overheats in the upper part of the case (there is a Bluetooth antenna).
• 🛠️ Problems appeared after falling or getting moisture.

In such cases, you will need a diagnosis in the service center, the most common hardware malfunctions:

Before the service visit:

• 📋 Make a backup copy of the data (in case of a complete reset).
• 🔧 Check if the Xiaomi model has a warranty (on most devices, the Bluetooth module is covered by a 12-month warranty).
• 💬 Describe the exact symptoms (when the problem occurred, and then what methods of resetting tried).

💡

If Bluetooth stopped working after the MIUI update, try rolling back to the previous firmware version via Fastboot.For instructions for a particular model, look at the 4PDA or Xiaomi Community forum.

How to avoid Bluetooth problems on Xiaomi in the future

To avoid Bluetooth crashes, follow these guidelines:

• 🔄 Clean the Bluetooth app cache regularly (in Settings) → Annexes → All applications → Bluetooth → Memory. → Clear the cache).
• 📱 Do not install beta versions. MIUI — They often contain bugs in the communication module.
• 🔋 Turn off power saving for Bluetooth in battery settings (path: Settings) → Battery → Choice of applications → Bluetooth → No restrictions).
• 🔗 Turn off devices correctly – use the Forget button (Bluetooth Settings) → ⚙️ near-device → Forget it, not just turn it off.

It's also useful to know:

• 📡 On Xiaomi with Qualcomm Snapdragon, for example, POCO F3) Bluetooth is more stable than on models with MediaTek (for example, Redmi). 10C).
• 🎧 For Xiaomi headphones (such as AirDots 3 Pro), use the proprietary Mi Bluetooth app – it optimizes the connection.
• 🚫 Avoid connecting to uncertified devices (such as cheap Chinese trackers) – they can “break” the Bluetooth protocol.

💡

If you frequently connect to the same devices (such as a car radio), give them priority in your Bluetooth settings. To do this, tap the device name and select Priority Connection (available in MIUI 13+).

FAQ: Frequent questions about resetting Bluetooth on Xiaomi