Xiaomi Redmi AirDots 2 (or Mi True Wireless Earbuds 2 Basic) are still among the most popular budget headphones. TWS-But many users face a common problem: once they buy or reset, only one headphone is connected, and the second one is silent or not detected by the phone. The reason lies in the features of synchronization of headphones between themselves and with a smartphone.
In this article, weβll look at all the ways you can connect both headphones, from standard pairing to forced reset and manual synchronization. Youβll learn why the second headphone might not work, how to check its status, and what to do if AirDots 2 refuses to connect to an iPhone, Android, or even between themselves.
Why is there only one Redmi AirDots 2 headphone?
The problem with the single earphone is that it's not synchronized correctly between the left (L) and right (R) modules, and normally the main earphone (usually the right) connects to the phone via Bluetooth, and then automatically picks up the second earphone, creating a stereo pair. If this process is disrupted, you hear the sound in only one ear. Here are the main reasons:
- π A discharged battery in one of the headphones (even if the indicator is on, the charge can be critically low).
- π Failure of synchronization between headphones after communication break or incorrect shutdown.
- π± Bluetooth conflict on your phone (for example, headphones previously connected to another device).
- π§ Software failure in the firmware of headphones (solved by resetting).
- π§ Mechanical damage to contacts in the case or the headphones themselves (rare but possible).
Before you start setting up, make sure that both earbuds are charged to a minimum of 30% (case indicators should burn white or red when opened).
Standard connection of both AirDots 2 headphones to the phone
If you are connecting your headphones for the first time or after a complete reset, follow this instruction.It is suitable for most Android smartphones (including Xiaomi, Samsung, Honor) and iOS:
- Remove both earphones from the case. They must automatically turn on (white light flashes).
- On your smartphone, turn on Bluetooth (Settings β Connections β Bluetooth on Android or Settings β Bluetooth on iPhone).
- In the list of available devices, find Redmi AirDots_2_R (snatch the right earpiece and put it on the right earpiece.
- Wait for the second headphone to arrive (Redmi) AirDots_2_L) You can see the list of connected devices. If you don't, go to the next section.
Important! On iPhones, headphones can display as a single device (Redmi) AirDots_2), But the sound has to go in both ears. If the sound is mono, then the synchronization between the headphones is broken.
Both headphones are charged (indicators are on)
Bluetooth on your phone is enabled and visible for all devices
Headphones are not connected to another device (laptop, tablet)
The distance between the phone and headphones is not more than 1 meter-->
How to force synchronize left and right headphones
If the standard connection failed and the second earphone was not detected, try manual synchronization, which works in 90% of cases when the headphones βdecoupledβ after updating the firmware or crash:
- Put both headphones in the case and close it for 10 seconds.
- Take out the right earpiece (main) and wait until it flashes white.
- Press the touch button on the right earphone for 15 seconds until the indicator starts flashing red and white alternately (reset mode).
- Take the left earpiece out of the case, and it should automatically connect to the right one (both of the indicators will light up white).
- Now connect the right earphone to your phone via Bluetooth. The left will pull up automatically.
If the headphones flash red, it means synchronization error, repeat the procedure by holding the buttons on both headphones simultaneously for 15 seconds.
What to do if the indicators do not flash?
Reset AirDots 2 settings to factory
If manual sync doesn't work, do a full reset, which will remove all the connections you saved and return the headphones to the "out of the box" state:
- Put both headphones in the case and close the lid.
- Press and hold the button on the case (if any) or touch buttons on both headphones at the same time.
- Hold for 20-25 seconds until the indicators start flashing red and white (the case will light up red).
- Let go of the buttons. The headphones will reset, and you can reconnect them.
Note: In some versions of AirDots 2, the reset button only works when the case is connected to the charger. If the indicators do not respond, connect the case to the network and repeat the procedure.
| Problem. | Reason. | Decision |
|---|---|---|
| The headphone light doesn't flash. | Battery discharged or button faulty | Charge 30+ minutes, check the contacts in the case |
| Only the right earphone is connected. | Synchronization failure between L and R | Reset + manual synchronization (section above) |
| Headphones are not defined by the phone | Bluetooth conflict or outdated firmware | Remove the device from the list of conjugates, update the firmware of the phone |
| The sound is interrupted or lagged | Bluetooth interference or weak signal | Reconnect the headphones, reduce the distance to the phone |
Features of connecting to iPhone and Android
Headphones Xiaomi AirDots 2 optimized for Android devices, but officially supports iOS.
- π± On iPhone, headphones can be displayed as a single device (Redmi). AirDots_2), But the sound should be stereo. If you're mono, drop your headphones.
- π€ On Android, especially Xiaomi/Redmi) You may need permission to access contacts and media β confirm your request.
- π On older versions of iOS (up to 14) there may be problems with automatically connecting the second headphone β use manual synchronization.
- π΅ On some phones (such as Samsung), sound can only go to one headphone due to codec conflict.Solution: in Bluetooth settings, select SBC instead AAC.
If your iPhone has earphones connected to you, but only sounds in one ear, try:
- Forget the device in Bluetooth settings.
- Turn off/on Bluetooth.
- Reconnect the headphones after waiting for both to appear on the list.
π‘
On iPhone after connecting, go to Settings β Bluetooth β Redmi AirDots_2 β i (information) and disable the option "Automatic ear switching" to help avoid problems with stereo sound.
Frequent Mistakes and How to Avoid Them
Many users make common errors when connecting AirDots 2, which lead to sync problems.
β οΈ Attention! Never press the buttons on your headphones when they are in the case, this can cause a firmware failure.
- β Connecting your headphones to multiple devices at the same time (like your phone and laptop) disrupts synchronization.
- β Using an unoriginal charging cable β this can damage the power controller in the case.
- β Update the firmware of headphones through third-party applications β Xiaomi does not release official updates for AirDots 2.
- β Keeping headphones discharged for more than a week - this leads to a deep discharge of the battery.
If youβve connected your headphones to Windows or Mac, be sure to remove them from the list of devices on your computer before returning to your phone, otherwise they may βhangβ in standby mode to connect to your PC.
π‘
The most common reason for a second headphone not working is to try to connect it separately from the main headphone (right).
Hardware problems: when to carry in the service
If all the ways of connecting have been tried, but the second earphone still doesn't work, the problem may be hardware.
- π΄ The indicator on one of the headphones does not burn at all (even when charging).
- π There is sound, but very quiet or with a strong noise (possibly damaged speaker).
- π The headphone discharges in 10-15 minutes (battery is faulty).
- πΆ The headphone is connected but permanently disconnected (a Bluetooth antenna problem).
In such cases, self-repair rarely helps - you need to replace components (battery, speaker or board). Xiaomi official service centers charge for repairing AirDots 2 from 800 to 1500 rubles, depending on the breakdown. Alternatively - buying a new kit (price from 1500 rubles).
β οΈ Attention! If you disassembled the headphones yourself, the official service may refuse warranty repair. Xiaomi AirDots 2 have adhesive body connection, and when opened, there is a high risk of damaging the microphone or speaker.