Xiaomi left-hand headphone stopped working: what to do in 2026

You're listening to your favorite track or you're talking on the phone, and you realize that Xiaomi's left earphone is gone. The sound is gone, distorted or not at all -- a familiar situation? This problem is common with Redmi AirDots, Mi True Wireless Earphones, Xiaomi Buds and others. TWS-The reasons can be different, from a banal firmware failure to a physical breakdown of the speaker.

In this article, we will analyze all possible reasons why Xiaomi’s left-hand earphone stopped working, and give step-by-step repair instructions – from simple methods (reboot, reset) to complex ones (contact soldering). You will also learn when to contact the service center, and when you can cope independently. MIUI and the new Bluetooth 5.3 chips.

1. Checking basic settings: why the headphone can "silence"

Before you disassemble your headphones or carry them for repair, make sure that the problem is not with the settings of your smartphone or the device itself. Often, the left-hand Xiaomi earphone stops working because of:

• 🔊 Incorrect connection – the headphone did not sync with the right or phone.
• 📱 Bluetooth failure – the module on the smartphone “gluts” and does not transmit sound to the left channel.
• 🔋 discharged battery - left earphone discharged faster than right (relevant for models with separate batteries).
• 🎧 Mode "Mono" - in the settings of the headphones enabled mode of one speaker.

How to check:

1. Open the Settings. → Bluetooth on your phone and remove headphones from the list of devices.
2. Turn off and turn on Bluetooth again.
3. Take both headphones out of the case and wait for the flashing indicators (should burn white or blue - a sign of finding the device).
4. Reconnect through MIUI Bluetooth or the standard menu.

If the left earphone never worked after reconnecting, move on to the next step. MIUI 14+ It can trigger a bug with "right earphone priority" - the sound automatically switches only to it, in which case resetting the headphone settings will help (more about this below).

2.Reset Xiaomi headphones to factory settings

If the basic check didn’t work, the next step is hard reset, which cleans all headphone settings, including device pairing data, and is suitable for most Xiaomi models, but there are nuances for different generations.

Detailed instructions:

1. Get both earphones out of the charger case.
2. On Redmi AirDots models 2/3 Mi True Wireless 2 Press the touch panels on both headphones at the same time on the 10–15 seconds.
3. On Xiaomi Buds. 4/5 Instead of sensors, use physical buttons (located on the inside).
4. The indicators should flash red, then white – this is a signal of a successful reset.
5. Return the headphones to the case, then take out and plug in again.

After reset, check the sound. If the left earphone is still not working, the problem may be:

• 🔋 Battery - the discharge is below the critical level.
• 🔌 Contacts – oxidation or break inside the headphone.
• 🎛️ Firmware – failure after updating (relevant for models with support) MIUI Pop-up).

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If the headphones don’t connect at all after reset, try connecting them to another phone (for example, on Android 12).+ This will help eliminate the problem with the smartphone.

3. charging problems: why the left earphone isn't charging

One of the common causes of left earphone silence is power problems, and unlike the right, which is often the lead in a pair, the left can discharge faster or not charge at all.

• 🔌 Poor contact in the case (springs contaminated or deformed).
• 🔋 Failure of the battery (blown, loss of capacity).
• ⚡ Failure of the charging controller inside the headphone.

How to diagnose:

1. Look at the charging indicator in the case: 🔴 Red, charging's coming. 🟢 Green - charging complete. ⚫ Does not burn – no contact or the headphone is faulty.

bad contact

Try charging the case from another cable/power supply (sometimes the problem is the power supply).

If the problem persists after cleaning the contacts and checking the charging, the battery or control board inside the headphone is likely to malfunction, in which case only repairs will help.

4. Software failures: firmware updates and bugs MIUI

Xiaomi headphones with support MIUI Pop-up (such as Xiaomi Buds 4 Pro or Redmi AirDots 3 Pro) may stop working after a firmware update:

• 🐛 Bug in the new version of the software (for example, in firmware) V12.2.6.0 Buds 4 was a bug with a monosound).
• 📱 Conflict with MIUI on the phone (especially after updating to the MIUI 14/15).
• 🔄 Incorrect update (interrupted process).

How to fix it:

1. Check the firmware version of the headphones: Open the Mi Earphones app (or Xiaomi Wear for new models). Go to Settings → If the version is outdated, update the software through the same menu.

slip out

Mi Earphones

Settings → Applications → Application Management → Mi Earphones → Storage → Clear cache

If the left earphone starts beeping, cracking or making extraneous sounds after the update, this may indicate damage to the speaker driver, in which case only repair will help.

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Before updating the firmware headphones, make sure that the case is charged at least 50%. Interrupting the process can lead to complete inoperability of the device.

5. Physical breakdown: disassembly and repair of the headphone

If all the software methods have been tried and the left-hand Xiaomi headphone still doesn’t work, the reason is probably a hardware malfunction.

Frequent physical malfunctions:

• 🔊 Dynamic damage - rupture of a membrane or break of a coil.
• 🕊️ The dump of the microphone (relevant for models with noise maker).
• 🔌 Breaking the flexible plume between the board and the speaker.
• 🔋 Battery bloating (may put pressure on the charge).

The repairs will require:

• 🔧 Set of screwdrivers (cross-haul) PH00, flat).
• 🧲 Tweezers and a suction cup.
• 🔥 Dryer or soldering iron (to replace components).
• 🛠️ Spare parts (dynamics, battery, plume).

The following is a good example of Redmi AirDots 2:

1. Carefully put the protective mesh speaker flat screwdriver (it is glue).

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If you are not sure about your soldering skills, it is better to contact the service. The cost of repairing the speaker in Xiaomi starts from 800-1500 rubles (depending on the model).

Typical finds in the dismantling:

• 🔴 Oxidized contacts - cleaned with alcohol and eraser.
• 🔗 The stained wires are then re-sold.
• 🔋 Bloated battery - requires replacement.

If after disassembly you find a rupture of the speaker membrane, it can be temporarily “resuscitated” with a drop of glue. B-7000, It is better to replace the speaker completely (the cost of the part is from 300 rubles).

6.When to contact the Xiaomi Service Center

Not all breakdowns can be repaired by yourself.

• 💥 The headphone does not turn on even after resetting and charging.
• 🔥 There are signs of overheating (the body is hot, smells of smoke).
• 🔊 The sound is completely absent, but the indicators are working.
• 🔧 You have removed the headphone, but could not find / fix the problem.

Where to repair:

• 🏢 Xiaomi Official Service Centers – Warranty Repair (if Headphones are younger) 12 List of months. mi.com/ru/service.
• 🔧 Unofficial workshops are cheaper, but without a guarantee.
• 📦 Warranty replacement – if the breakdown is not your fault (for example, factory defect).

The cost of repairs in 2026:

Before the service visit:

1. Take a photo/video of the malfunction (for example, as the headphone does not connect).
2. Keep your checks and warranty card (if any).
3. Check by phone if they work with your model (some services do not take headphones older than 2 years).

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If the headphones are warranty, DO NOT disassemble them yourself - this will void the warranty. First try resetting the settings and contact the official service.

7. Prevention: how to prolong the life of headphones Xiaomi

To make sure that the left-hand Xiaomi headphone does not fail ahead of time, follow the simple rules:

• 🔋 Charge correctly: Don't leave your headphones in a case on charge for more than 24 hours. Use the original cable and power supply. Avoid overheating (do not charge in direct sunlight).
• 🧼 Care for contacts: Clean the springs in the case once a month with alcohol. Do not allow moisture (even if the headphones are protected). IPX4).
• 🎧 Store correctly: Always put your headphones in your case (don't carry them in your pocket without protection.
• 📲 Update your firmware: Check for updates in the Mi Earphones app. Don't interrupt the update process.

Also avoid:

• ❌ Use of headphones at extreme temperatures (below) -10°C or higher +40°C).
• ❌ Connections to uncertified chargers (can burn the controller).
• ❌ Self-disassembly without skills (risk of damaging plumes).

If you use headphones for sports or jogging, we recommend additionally protecting them from sweat with silicone cases (sold on AliExpress or in accessories stores).

FAQ: Frequent questions about Xiaomi's broken left-hand headphone