Modern wireless headphones, such as Xiaomi Mi True Wireless Earbuds or Redmi Buds, are complex systems where each module is a stand-alone device, but they must work as a unit. Sometimes users are faced with a situation where one of the headphones stops playing sound or devices can not find each other to create a stereo pair. This is a common problem associated with the desynchronization of internal Bluetooth modules.
Reestablishing left-right communication doesn't usually require a visit to a service center, and headphone synchronization is a software process that can be done on your own in a few minutes, and in most cases, simply putting your gadgets in a charging case or resetting them completely.
However, if standard methods don’t work, you may need to do a deeper job of tweaking your smartphone’s Bluetooth settings. It’s important to understand that the algorithms of different models, whether it’s Xiaomi Air 2 or Redmi AirDots 3, can have their own nuances. In this article, we’ll look at all the ways to restore your headset to work.
Diagnostics of the problem of desynchronization
Before you start to act, you need to accurately determine the nature of the malfunction. Often users confuse the discharge of one of the modules with a software failure. If the left earphone does not work, first check its charge. Put both devices in the case for 15-20 minutes and try to start them again.
If the charge is full, but the sound comes from only one channel, or the list of Bluetooth devices of the smartphone display two identical names (for example, two "Mi True Wireless EB Basic"), then the stereo has broken up. In this mode, each earphone considers itself an independent device and does not transmit sound to the second module. Indicators on the cases can flash at different frequency, which also signals desynchronization.
Also worth noting is the presence of interference, if you're in a place with a large concentration of Wi-Fi routers or other Bluetooth devices, the signal may be lost. Try to move away from the radiation sources and see if the connection is restored. If the problem persists in silence, you need to force the reconnection.
- 🔍 Check the indicators: whether they burn the same when extracted from the case.
- 🔋 Make sure the contacts in the case are clean and both headphones are charged.
- 📱 Check out Bluetooth phone settings: has there been a duplicate device.
Basic synchronization through charging case
The easiest and safest way to make Xiaomi headphones work in pairs again is to use a charging case. It is when you put it in and out of the case that the initial handshake occurs between the modules. Make sure that the case itself is charged, as some models only start synchronizing when power is supplied from the base.
Place both headphones in the case and close the lid. Wait about 5-10 seconds for the devices to go into standby mode. Then open the lid, but don't remove the gadgets at once. On some models, such as the Xiaomi Earbuds Basic 2, the indicators should light up or blink, signaling the beginning of the pairing process.
Now, remove both headphones at the same time. If it's successful, they should connect quickly to each other, and one of them (usually the right one) will blink quickly, waiting for a phone connection. The left one may blink slowly or not at all, since it's already connected to the right one. That's standard behavior for most people. TWS-headset.
⚠️ Note: If after extraction from the case, the indicators continue to flash blue in turn or very quickly, then automatic synchronization has not occurred.
☑️ Algorithm of actions through the case
The method of forced discharge (Hard Reset)
If the basic methods didn't work, you'll need to do Hard Reset, which completely clears the memory of the headphone pairing by removing all previous connections to the phones and returning the devices to the factory settings, and this is the most effective way to solve the problem when the headphones can't see each other.
The reset process can vary depending on the model. For devices without a physical button on the case (such as the early Redmi AirDots), you need to pinch the touch zones on both headphones simultaneously. Keep your fingers on the sensors for about 15-20 seconds. At first, the indicators can light up red, then go out, and then light up again red or start flashing quickly white/blue.
For models with a button on the case (for example, Mi True Wireless Earphones 2), the procedure is simpler: place the headphones in the case, open the lid and press the reset button on the back or inside of the case. Hold it for 10-15 seconds until the indicator on the case lights up in orange or flashes white.
Reset sequence for models without a button:
1. Remove the headphones.
2. Hold the sensors for 20 seconds to the red indicator.
3. Put it in the case.
4. Remove again for auto-matching.Why can’t the reset work the first time?
Connection to new device after reset
Once you reset, your Xiaomi headphones are in search mode, you need to reconnect them to your smartphone, open the Bluetooth settings on your phone, and start looking for new devices, and you should see one device with your model name on the list, such as the Mi True Wireless EB Basic.
It's important not to confuse this point. If you see two devices with the same name, then the synchronization between the left and right ears has not yet occurred, in which case, repeat the reset procedure, paying special attention to the simultaneous compression of sensors, you need to connect to only one name.
Once successfully connected, the system will automatically distribute the channels: the right one will be the master device that receives the signal from the phone and broadcasts it to the left. Checking the stereo effect is simple: turn on the music and take turns removing the headphones from the ears - the sound must pass from one channel to another without interruption.
| Model | Type of discharge | Indication of success | Retention time |
|---|---|---|---|
| Redmi AirDots | Sensors (20 sec) | Red light. | 15-20 seconds |
| Mi True Wireless 2 | The button on the case | Orange/White | 10 seconds. |
| Xiaomi Buds 3 | The button on the case | White flashing | 2-3 seconds |
| Poco Buds Pro | The button on the case | Green flashing | 2 seconds |
💡
When you reconnect to a previously familiar phone, the device may try to connect automatically. If this happens before the synchronization between the headphones is complete, the process may fail.
Use of the Xiaomi Earbuds app
For owners of Xiaomi and Redmi smartphones, the Xiaomi Earbuds app (or the built-in module in MIUI/HyperOS) is an excellent management tool, which allows you not only to track charge, but also to manage connection modes. If standard methods do not help, check for firmware updates for your headphones through this application.
Inside the app, you can find a headphone search feature that helps you determine if a particular module is connected to the phone, and you can also set up touch controls, which can be useful if one of the sensors stopped responding to touch due to a software glitch. Flashing through the app often solves hidden Bluetooth stack bugs.
If the app sees only one headphone, try the Bluetooth settings of the phone to perform the "Forget device" action, then log in to the app and follow the instructions for adding a new device. The software sometimes takes over the synchronization process by force updating the configuration of both modules.
⚠️ Warning: Do not interrupt the process of updating the firmware through the application. If the battery of the headphones or phone runs out while writing new software, the headset can turn into a "brick" and stop turning on.
Removing frequent problems and interference
Even after successful synchronization, there can be periodic communication breaks, often due to ether overload. If you're in a shopping center or office, try switching the Bluetooth module's attention. Some users have noted that temporarily shutting down Wi-Fi at 2.4 GHz helps stabilize the connection.
Another cause could be contamination of contact areas: Oxidation or dust on contacts in the case causes one of the headphones to fail to charge and therefore not turn on when removed.
If nothing helps, it may be a hardware problem, such as a Bluetooth antenna failure inside one of the modules or battery degradation, and in such cases, software methods, including a complete reset and flashing, are already powerless, and a faulty component needs to be replaced.
- 🧹 Regularly clean contacts in the case with alcohol.
- 📡 Avoid using near powerful Wi-Fi routers.
- 🔄 Update the firmware headphones through the official application.
💡
Stability of work TWS-Headphones 90% depends on the purity of charging contacts and the relevance of the internal firmware modules.