Connecting a second Xiaomi AirDots headphone 2: Why one doesn’t work and how to fix it

Xiaomi AirDots 2 wireless headphones (also known as Redmi AirDots 2) have become popular due to a combination of price, sound quality and convenience. However, many users face a typical problem: one earphone stops working, does not connect to the phone or does not sync with the pair module, most often after a firmware update, prolonged downtime or mechanical damage.

In most cases, the problem is solved software-free without going to the service center, and in this article we will discuss all the possible reasons why the second AirDots 2 earphone may not work, and give step-by-step instructions on how to connect it to your Android and iOS phone, and learn how to reset your headphones to factory, check for malfunctions and avoid repeated crashes.

If you've tried to reboot your headphones or your phone, but the results haven't changed, don't throw it away. 90% of the time, the problem is that the headphones are not synchronized correctly or the firmware is broken, and our instructions will help you get back to work even if one of the modules seems dead.

Why Xiaomi AirDots 2 Headphone Doesn’t Connect: The Main Reasons

Before you start repairing or resetting, it’s important to understand why the second earphone stopped working. Here are the most common reasons AirDots 2: owners face.

• 🔋 A discharged battery -- one of the headphones could have gone to zero, and it doesn't turn on, and it often happens when the headphones have been lying around for a long time without using them.
• 🔄 Synchronization failure – the headphones have lost communication with each other (for example, after updating the firmware or connecting to another device).
• 📱 Bluetooth problems on the phone – a failure in the Bluetooth module on the smartphone can lead to the fact that the phone “cannot see” one of the headphones.
• 🛠️ Mechanical damage – falling, moisture or wear of contacts in a charging case can disable one of the modules.
• 🔄 Incompatibility of firmware – if one headphone is updated and the second one is not, they may stop “seeing” each other.
• 🎧 Factory marriage is rare, but there are cases when one of the headphones initially has a defect in the microphone or speaker.

In most cases, the problem is software-based and is fixed by resetting or forced synchronization, but if the earphone does not respond to charging, does not flash the indicator and does not make sounds, it is likely to require repair or replacement.

Preparation for connection: what to check before resetting

Before you reset your Xiaomi AirDots 2 settings, make sure the problem isn’t just about simpler things. Here’s a checklist to help rule out obvious faults:

If the second earpiece never connects after this, move on to forced synchronization or resetting, but first we'll figure out how to charge and turn on the headphones to avoid typical errors.

⚠️ Note: If the headphone indicator does not blink under any conditions (even after a long charge), this may indicate a break in contacts or a failure of the battery.

How to force the headphones Xiaomi AirDots 2 to sync with each other

If both earbuds are charged, but one of them is not connected to the phone or is working separately, most likely, there was a synchronization failure.

1. Place both earphones in the charger case and close the lid. Wait 10-15 seconds.
2. Take both earbuds out of the case. They should automatically turn on and start flashing white and red (search mode).
3. If one of the headphones does not blink, press and hold the touchpad on it for 10-15 seconds until the indicator starts flashing red and white.
4. Place both headphones back in the case, then pull them out again. They should sync automatically (the indicators will start flashing synchronously).
5. Connect your headphones to your phone via Bluetooth as a new device.

If after these actions, the headphones still do not sync, try resetting them to the factory settings (instructions in the next section).

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If the headphones don’t sync after 3-4 attempts, try connecting them to another smartphone or tablet, sometimes the problem lies in the Bluetooth cache on the main device.

Reset Xiaomi AirDots 2 to factory settings: step-by-step instructions

If forced synchronization doesn't work, the next step is to reset the headphones completely, and it will bring the headphones back to their original state and fix the software failures, and importantly, after the reset, you have to reconnect AirDots 2 to the phone.

Resetting instructions:

1. Place both headphones in the charging case and close the lid.
2. Open the case cover, but don't take out the headphones. Make sure they start charging (the indicators on the case should burn).
3. Press and hold the touchpads on both headphones simultaneously for 20 to 25 seconds.
4. The headphones will flash red and white (first fast, then slow) and signal a successful reset.
5. Get the headphones out of the case – they should automatically turn on and synchronize (the indicators will flash synchronously).
6. Connect your headphones to your phone via Bluetooth as a new device (Mi True Wireless will appear in the list). EB2 Basic_R or similar).

If one of the headphones still doesn't connect after reset, check it for mechanical damage or go to a service center.

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

If after all the manipulations, the second headphone Xiaomi AirDots 2 and did not work, it's time to check it for hardware malfunctions.

• 🔍 Check the contacts - gently clean the contacts on the headphone and in the case with a cotton swab soaked in alcohol.
• 🔋 Charging test - place the problem earphone in the case at 30+ If the indicator doesn't light up, maybe the battery or the power controller is faulty.
• 🎵 Sound check – if the earphone is turned on but does not play the sound, try listening to it in mono mode (only connect the problem earphone to the phone).
• 📱 Test on another device, try connecting your headphones to another smartphone or tablet, and if the problem recurs, it's a malfunction in your headphone.

If the headphone is not charged, does not turn on or sounds despite all attempts, most likely, repairs will be required. Xiaomi service center can replace the battery, speaker or control board. The cost of repair usually does not exceed 1000-1500 rubles, which is cheaper than buying new headphones.

⚠️ Warning: If you decide to disassemble the headphone yourself, remember: Xiaomi AirDots 2 have adhesive body connection. If you open the microphone or speaker in a careless way, you can damage it. We recommend using plastic mediators and a hair dryer to soften the glue.

How to avoid connection problems in the future: care tips

To headphones Xiaomi AirDots 2 last longer and do not lose communication with each other, follow these recommendations:

• 🔋 Regularly charge the case - even if you do not use headphones, once a month connect the case to charge so that the batteries do not run out of charge.
• 🧼 Clean the contacts, dust and sweat can cause oxidation.
• 📵 Avoid extreme temperatures - do not leave your headphones in the sun or in the cold. Optimal storage temperature: 10-30°C.
• 🔄 Update your firmware – if Xiaomi releases updates for AirDots 2, install them through the official Mi Home app.
• 🎧 Store in a case - don't leave your headphones scattered.The case protects them from dust, moisture and mechanical damage.

If the headphones have not been used for a long time (more than 3 months), before connecting, charge them in a case for at least 2 hours - this will restore the capacity of the batteries and prevent synchronization failures.

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Regular care and proper storage increase the life of Xiaomi AirDots 2 to 2-3 years. the main enemies of headphones are moisture, dust and deep battery discharge.

Frequent questions about connecting Xiaomi AirDots 2