Why headphones do not connect to the phone Xiaomi: reasons and solutions

The situation when wireless TWS-Headphones or headsets stop connecting to a smartphone, often taken by surprise. POCO This is not the case for users of other brands. MIUI or the new HyperOS has its own power-saving management features that can block the stable operation of wireless interfaces. Sometimes the problem lies in a software failure, and in other cases, the physical distance or the drained battery of the accessory is to blame.

The first thing you need to do is rule out the trivial reasons, and check if the case and the headphones are charged, because in deep-discharge mode they may not be communicating, and make sure that the phone has activated the Bluetooth module and it is visible to other devices, and if the indicators on the headset flash, but the phone does not see it, then the pairing process is interrupted or there is a conflict of addresses in the phone's memory.

In this guide, we’ll look at all possible scenarios, from simple reboots to complex manipulations of the engineering menu. You’ll learn how to properly perform a full network reset and why old saved profiles can interfere with the connection of new gadgets. It’s critical to understand that most problems (about 85%) are solved by completely cleaning the list of associated devices and restarting the Bluetooth service on Android.

Basic diagnostics and conjugation mode

Before you go into deep settings, you need to make sure that the headphones are ready to connect at all. Many users forget that the device must be in special Pairing mode. If the headphones were previously connected to another phone, they can automatically try to connect to it, ignoring your Xiaomi, in which case the phone simply will not find the accessory in the list of available ones.

To activate the search mode, you usually need to pinch the touch panels on both headphones or hold the button on the case for 3-5 seconds. The indicator should start flashing quickly in white or blue (depending on the model). On Redmi and Xiaomi smartphones, the corresponding icon should also burn in the top curtain of the notifications. If the icon is gray or crossed out, the module is turned off or works incorrectly.

⚠️ Warning: If you’re trying to connect headphones that were previously used with another phone, be sure to turn off Bluetooth on that device. otherwise the headphones can automatically connect to it in the background and Xiaomi won’t see them.

A common cause of failure is a crowded Bluetooth cache. The system may "think" that the connection is already established, when in fact it is not. It helps to simply turn off and turn on the blue tooth through the curtain, but more efficiently use air mode. Turn on Air Mode for 10 seconds, then turn it off and try to find the device again. This will forcefully restart all the radio modules of the smartphone.

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Try to bring the headphones as close as possible to the top of the smartphone (there is an antenna) while searching for the device.

Cleaning the list of associated devices

Accumulation of old connection profiles is one of the main reasons why new gadgets don’t want to work properly. The phone can store information about dozens of devices, and sometimes there are conflicts of addresses or protocols, especially if you often change headphones or use different models for sports and at home.

To clear the memory, go to Settings → Bluetooth. Find your headset in the My Devices or Availables list. Click on the gear icon or arrow to the right of the name and select Forget the Device or Cancel the pairing. If the device is not connected and it is not on the list, find any old, unused gadgets there and remove them.

• 🗑️ Remove all old headphone profiles you no longer use.
• 🔄 After deleting, press the three dots in the corner of the screen and select "Update».
• 📱 Restart your smartphone before trying to connect again.

Once you clean the list, you have to reset the headphones to the factory settings. Different manufacturers (Sony, Samsung, JBL, Xiaomi) have different combinations of actions. Usually, this is a long-term retention of sensors (10-15 seconds) until the color of the indicator changes, only then you can start searching again.

Reset network and Bluetooth settings on Xiaomi

If a simple cleanup didn't work, a deeper approach is needed. The MIUI and HyperOS shells have a network reset feature that doesn't delete your photos or contacts, but resets all the parameters of Wi-Fi, mobile networks and Bluetooth connections to factory values. This often solves problems with the "glutch" communication module.

To perform the operation, open Settings, search for settings by type in the word “Reset” or go to Connect and Sharing → Reset Wi-Fi, mobile networks and Bluetooth. The system will warn you of the consequences: you will have to re-enter passwords from Wi-Fi networks. Confirm the action and wait for the reboot of communication modules.

Once the network settings are reset, the phone can behave like a new connection, which eliminates software errors that have accumulated in the system configuration files, and if that hasn't worked, the problem may lie in the firmware version or codec compatibility.

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Network resets are a “golden bullet” for Bluetooth software errors that helps in 90% of cases without losing user’s personal data.

Compatibility and codec issues

Modern headphones support various audio codecs: SBC, AAC, aptX, LDAC. Xiaomi smartphones usually support a wide range of formats, but sometimes there is a conflict when automatically selecting the codec. If the headphones connect, there is a sound, but it is interrupted or distorted, it can be in the settings of the developer.

To check and change the codec, you need to activate the developer menu. Tap 7 times on the MIUI version or OS version in the About Phone section. Then go to Advanced Settings → For developers. Find the Audio or Bluetooth section and try changing the codec to a simpler one, such as SBC or AAC.

• 🎧 LDAC — High quality but high traffic consumption and instability in crowded places.
• 🎵 AptX – Balance of Quality and Stability – Good for Xiaomi.
• 📉 SBC — Basic codec, works with all devices, minimizes connection errors.

Also worth paying attention to is the Android version. If you have a very old phone model and new headphones (or vice versa), the encryption protocols may not match, and in rare cases, updating the firmware of the headphones themselves through the manufacturer's proprietary app (for example, Galaxy Wearable or Soundcore) helps.

Impact of MIUI and HyperOS energy saving

Aggressive battery optimization is a signature feature of Xiaomi shells, which can kill background processes of a Bluetooth service or headphone management app, believing them to be unnecessary, which leads to the headphones turning off after a few minutes or can not complete the pairing procedure at all.

You need to configure Bluetooth exceptions. Go to Settings → Apps → All apps. Find the “Bluetooth”, “Bluetooth MIDI Service” or the headphone manufacturer’s app. Go to charge saving settings and select “No Limits” mode. Also enable auto-start for these services.

⚠️ Warning: Don't ignore energy saving settings. MIUI 13/14 HyperOS can block device search if it thinks the battery is low below 15%, Even if you have turned on the “productivity” mode».

Another important point is location permission. Bluetooth (especially BLE – Low Energy) in Android requires GPS enabled and applications allowed to access geodata, without which the phone simply will not display headphones in the list, even if they are in pairing mode.

Hardware malfunctions and indicator reset

If software methods are exhausted, it is worth checking the hardware. Sometimes the Bluetooth module in the phone or headphones overheats or gets static discharge, which leads to freezing, in which case the full discharge cycle helps.

Discharge the phone and headphones completely before you turn them off. Leave them off for 1-2 hours. Then put them on charge (earphones in the case, phone to the network) and try to turn on and connect. This allows you to relieve the residual voltage in the capacitors of the communication module.

In rare cases, the problem lies in the antenna module of the smartphone itself, especially if the phone fell or fell into the water. If other Bluetooth devices (watches, speakers) are also not connected or are operating with severe interference, you may need repairs in the service center.

Frequently Asked Questions (FAQ)