Xiaomi AirDots 2: 9 Ways to Get Sound Back in 2026

You've turned on your favorite playlist, but instead of the usual stereo sound, you hear only the left or right headphone Xiaomi AirDots 2? The problem is familiar to many owners of these wireless headphones. According to service centers, one-way malfunction occurs in 30% of cases of calls with AirDots 2 - and only 10% of them require replacement components. The rest are solved by software methods or simple cleaning.

In this article, we'll look at all the possible reasons why a single headphone doesn't work, from the corny discharge of the battery to hardware breakdowns. You'll get step-by-step instructions from the photo, a symptom chart for quick diagnosis, and answers to frequent questions. And if the problem is more serious than it seemed, you'll find out whether to carry the headphones for repair or it's easier to buy new ones.

1. Primary diagnosis: check the obvious

Before disassembling headphones or resetting settings, eliminate the simplest causes. 50% of cases of unilateral malfunction are due to user errors or temporary failures.

• 🔋 Battery discharge: one headphone could have run out stronger than the other. Check the charging indicators on the case - whether both LEDs are on fire when connected to the power supply.
• 🎧 Incorrect connection: AirDots 2 Sometimes you connect to your phone as two separate devices. Go to Bluetooth settings and make sure your Mi True Wireless Earphones profile is active. 2, not LE-AirDots_XX.
• 📱 Bluetooth crash on your phone: reboot your smartphone and try to reconnect your headphones. On Android, cleaning your Bluetooth cache in Settings will also help. → Annexes → Show system-based → Bluetooth.
• 🔊 Sound balance: in the phone's sound settings, check if the balance slider is shifted left/right (on iPhone: Settings) → Universal access → Audiovisual content → Balance).

If after this manipulation, the earphone is still silent, move to the next step. Pay special attention to the case: if the indicator of one earphone does not blink when connecting to charging, the problem is more hardware (contacts, battery or board).

2. Resetting headphone settings to factory

Software reset helps in 40% of cases when one headphone Xiaomi AirDots 2 is not connected or emits intermittent sound.

1. Put both headphones in the case and close the lid.
2. Connect the case to charging for 10-15 seconds (charging indicators should light up).
3. Remove both headphones from the case and hold the buttons on both for 20 seconds until the indicators start flashing red and white alternately.
4. Return the headphones to the case, close the lid and wait 30 seconds.
5. Take out your headphones and try to connect them back to your phone.

If one earphone still doesn’t work after reset, try forced synchronization:

• Get both earphones out of the case.
• Press and hold the button on the working earphone for 5 seconds until you hear the beep.
• Do the same with a broken headphone.
• Wait 10 seconds – the headphones should synchronize with each other (the indicators will flash synchronously).

3. Cleaning contacts and connectors: step-by-step instructions

Oxidation or contamination of contacts is one of the most common reasons why Xiaomi AirDots 2 stops working normally, the problem is aggravated by sweating, humidity or storing headphones in dusty conditions, symptoms: the earphone is working, then not; the sound is interrupted; the charging indicator flashes unstable.

You'll need:

• 🧻 Cotton swabs (better with a plastic base, so that fibers do not remain).
• 💧 Alcohol (isopropyl 90% or medical 70%).
• 🔍 Lupa (optional, for accurate cleaning).
• 🪡 Needle or toothpick (to remove persistent contaminants).

How to clean:

1. Soak the cotton swab in alcohol and gently wipe the gold contacts on the earpiece and inside the case.
2. Remove possible deposits in the connectors with the needle (especially if the headphones were often used during training).
3. Dry contacts for 10-15 minutes (you can use a dryer in cold air).
4. Check the headphones.

⚠️ Warning: Do not use acetone, solvents or wet wipes - they will damage the protective coating of contacts. Also avoid metal objects (knives, screwdrivers) that can scratch the board.

4.Battery problems: how to check and what to do

The average battery life in Xiaomi AirDots 2 is 2-3 years when used actively. If one earphone is discharged in 10 minutes or does not hold charge at all, the problem is most likely in the battery.

You can use apps like AccuBattery (for Android) to check the battery status, but they only show data for the connected earphone. If the battery is really worn out, it will cost 800-1,500 rubles to replace it (depending on the service).

⚠️ Note: Do not try to replace the battery yourself without soldering experience - in AirDots 2, the battery is soldered to the board, and with careless dismantling, you can damage the microphone or speaker.

5. Software failures and firmware updates

It is rare, but it happens that one Xiaomi AirDots 2 earphone stops working due to a firmware error, which can occur after an automatic update or an incorrect shutdown during synchronization.

• 🔄 The earphone is connected, but the sound comes from only one.
• 🎵 The sound is interrupted every 5-10 seconds.
• 🔴 The indicator flashes red, although the earphone is charged.

To update the firmware:

1. Install the official Mi Home or Xiaomi Wear app (available for Android and iOS).
2. Connect the headphones to the phone via Bluetooth.
3. Open the app, find AirDots 2 in the device list, and check for updates.
4. If you have an update, follow the instructions on the screen. Don't turn off your headphones during the process!

If the firmware is already relevant, but the problem remains, try rolling back the update (if it was recently).

1. Reset the headphones to factory settings (see section 2).
2. Do not connect them to the Internet for 2-3 days – sometimes the system automatically rolls back to the previous version.

💡

Before upgrading your firmware, charge your case to 100% and make sure the headphones don't run out during the process. If the battery dies, the headphones can turn into a brick.

6. Hardware breakdowns: when without repairs can not do

If none of the previous methods worked, the problem is likely hardware. Here are the typical malfunctions of Xiaomi AirDots 2 and their signs:

• 🔊 Faulty speaker: there is a sound, but it is quiet, wheezing or not at all, often occurs after a fall or moisture.
• 🎤 Mik breakage: the headphone works, but does not transmit voice (relevant for calls).
• 🔋 The dump of contact board: the headphone is working, then no, the reaction to the pressing of the button is delayed.
• 📡 Bluetooth module malfunction: the headphone does not connect to any device, although the indicator is on.

Cost of repairs in service centers:

Before you carry headphones for repair, evaluate the feasibility of:

• 💰 The new Xiaomi AirDots 2 are worth it. ~2500-3500 rubles If the repair will cost 70% of this amount, it may be more profitable to buy a new pair.
• ⚖️ The repair warranty (if it is still valid) takes 2-4 weeks. without warranty - 1-7 days.
• 🔧 Self-repair without soldering skills almost always leads to a deterioration of the situation.

💡

If your headphones are in the rain or in the water, don’t turn them on — put them in rice or silica gel for 2-3 days. Turning on wet headphones leads to short circuit and irreversible breakage.

7. Alternative ways to use a faulty earphone

If repair is not possible or feasible, but one earpiece is still working, it can be used separately.

• 🎧 Mono mode: Connect the working headphone to your phone as a separate device (in Bluetooth, select the LE-AirDots_R or LE-AirDots_L). The sound will be mono, but it's better than nothing.
• 📞 For calls: In your phone settings, set your working headphone as your primary device for calls (Android: Settings) → Connected devices → Settings of the gear next to the headphone → Priority for calls).
• 🎮 For PC or laptop: Connect your headphone to your computer via Bluetooth and use it for Discord, Zoom or music (in Windows audio settings, select the headphone as your default device).

You can also buy one new headphone (left or right) on AliExpress or Avito - they are sold for 500-1000 rubles.

• The new headphone should be the same revision (check the marking on the case).
• When connecting, both headphones may need to be reset.
• There is no guarantee of compatibility – synchronization problems are possible.

8.Prevention: How to prolong the life of AirDots 2

To avoid problems in the future, follow these rules:

• 🔋 Charging: Do not keep your headphones on charge for more than 2-3 hours after full charge. Use the original cable and adapter.
• 🧼 Clean: Once a week, wipe the contacts with a dry cotton swab. After training, remove sweat with a wet wipe (not alcohol!).
• 🌡️ Temperature: Do not leave headphones in the sun or near heat sources (e.g. on a car torpedo in summer).
• 💧 Moisture: Despite the declared IPX4, Do not use headphones in the pouring rain or in the shower.
• 📦 Storage: Always put your headphones in your case – this protects them from dust and mechanical damage.

Also avoid:

• ❌ Sharp blows (for example, throwing a case on the table).
• ❌ Use of headphones at a temperature below -10°C or higher +40°C.
• ❌ Connecting to multiple devices at once (this leads to synchronization failures).

💡

If you don't use headphones for more than a week, turn them on every 10 days for 5-10 minutes and discharge to 50%.

FAQ: Frequent questions about AirDots 2 malfunctions