Sometimes users are faced with a situation where one of the headphones Xiaomi Earbuds 2 stops working in pairs with the other, and the sound is broadcast in only one device. This is a common problem that is solved by forced synchronization of the headset to the left and right modules again work as a unit, in most cases, the cause is the desynchronization of Bluetooth protocols or software failure after the battery is discharged.
To restore normal operation, you need to perform a number of actions to clean the pairing memory inside the headphones themselves, and it is important to understand that a standard connection through the phone settings will not help here, since you need to reset the internal connections between the left and right earphones, only then they will be able to correctly transmit the audio signal to the smartphone again.
In this article, we will take a closer look at all the steps of connection recovery, and also look at the typical errors that prevent the process from being completed, and learn how to properly use touch panels and indicators to diagnose the state of the headset.
Reasons for desynchronization of headphones Xiaomi
Understanding the cause of a problem often helps to avoid recurrence in the future. The main factor disrupting communication between modules is the different level of charge in the case or the devices themselves. If one earphone is completely discharged and the second one is left with a charge, their internal clocks and communication protocols can become out of sync, which will lead to failure in stereo mode.
External interference and software glitches also influence the smartphone operating system, and sometimes updating the phone’s firmware or cleaning the Bluetooth list without first resetting the headset, causes the Xiaomi Earbuds 2 to “forget” each other, in which case they start to work as two independent mono-device.
Mechanical damage or moisture can cause short circuits in charging contacts, which also causes a failure in the communication controller. If the contacts are contaminated, the headphones may not charge evenly, which indirectly affects their ability to synchronize.
⚠️ Warning: If after full charging and reset attempt the headphones continue to work only in mono mode, check the contacts for oxidation or sulfur contamination.
And software conflicts, too, should not be ignored. If you've previously connected a headset to a lot of different devices, the memory pair list may overflow or corrupted, and in this situation, cleaning the pairing list is a must before you start the recovery procedure.
Preparation for discharge and synchronization
Before you start active, you need to properly prepare the equipment. First of all, make sure that both the headphone and the charging case have a sufficient level of battery charge. The optimal indicator for any manipulation of the firmware or reset is a charge above 50%.
The second important step is to remove the old device profile from your smartphone settings, so you need to go to the Bluetooth menu, find the Xiaomi Earbuds 2 in the list of previously connected devices, and select the option “Forget the device” or “Sever pairing”.
☑️ Preparation for discharge
After deleting the profile, you need to turn off Bluetooth on the phone completely, which will prevent an automatic attempt to reconnect during the reset process, which can interrupt the procedure and confuse the sync protocol.
It is also recommended to wipe the charging contacts on the headphones themselves and inside the case with a dry lilaless napkin. Even a microscopic layer of fat or dust can prevent the correct determination of charge, which will lead to an error in the operation of the controller.
Step-by-step instructions: how to reset the headphone settings
The reset process itself is the key to triggering the left and right reconnection mechanism. Put both earbuds in the charging case and make sure they're magnetized. The indicators should light up, signaling the start of charging.
Find the touch areas on both headphones. You need to touch the left and right earphone touch panels at the same time and hold your finger for 5 seconds. Some firmware versions require holding for 10-15 seconds until the indicators flash red.
Once the lights flash red, release the sensors. The headphones should turn off. Then press again and hold the sensors for 5 seconds to turn on. They're now in standby mode and ready to find each other to make a new pair.
⚠️ Warning: Don't take the headphones out of the case right after you reset. 5-10 So if you're holding the sensors, if you're not reacting, if you're holding the sensors, if you're not reacting, if you're holding the case, if you're running out of time, if you're holding the sensors, if you're holding the case, or if the contacts are contaminated. 30 Just a minute and wipe the contacts with a liquor wipe, and make sure you're pressing the touch areas, not just the body.> A successful reset is confirmed by the characteristic flashing of indicators. If this does not happen, repeat the procedure, but this time try to remove the headphones from the case, put them on the table and then pinch the sensors. Sometimes contact with the case interferes with the readout of the reset command. After successfully resetting inside the headset, you need to reconnect it to the smartphone. Turn on Bluetooth on your phone and go to find new devices. Xiaomi Earbuds 2 should appear in the list of available devices. It is important to wait until the list will appear one device with the name of the headset, not two separate devices (Left and Right). If you see two different devices, then the synchronization between them has not occurred, and the reset procedure must be repeated. Click on the name of the device to pair. Once successfully connected, the system will issue an audible signal confirming the connection. Now you can check the stereo mode by turning on the music track. If the connection is successful, the sound must come from both channels. Check the balance of the phone is equal to 50/50. For more in-depth setting and diagnosis, it is recommended to use the official Xiaomi Earbuds app (or Xiaomi Wear).It allows not only to manage basic functions, but also to update the firmware, which often solves software synchronization errors. In the application, you can check the charge of each headphone individually. If one of them shows 0% or does not show at all, this is a signal about a problem with a contact or battery. The application also shows a version of firmware that can be updated if necessary. Sometimes a failure in gesture settings can be perceived as a connection problem.Resetting control settings in an app can help stabilize work. 💡The official application is the best tool for checking the relevance of firmware, which is critical for the stability of the connection. Typical errors and how to fix them Even with all the instructions, specific situations can occur. One common mistake is trying to connect the headphones while they are in pairing mode with another device. Bluetooth protocol prevents the device from being active on two networks at the same time. Another problem is the sensor sticking. If the finger stays on the sensor for too long or is pressed too often, the earphone can go into voice assistant mode or turn off. ⚠️ Attention: If one earphone is permanently turned off, try swapping the box and ears to help determine if there is a problem in a particular module or data channel. Signal interference from Wi-Fi routers or microwave ovens can also disrupt communication. 2.4 The GHz used by Bluetooth is often occupied by other devices. Try syncing in another room. 💡If nothing helps, leave the headphones in the case with the lid open on the charger on the charger. 1-2 Sometimes long-term charging will level the voltage in the batteries and allow the controller to start correctly. Care and prevention recommendations To avoid a recurrence of the problem with desynchronization, you should follow simple rules of operation. Regularly clean the case and headphones from dust. Dirt on the contacts is the main cause of uneven charge, which leads to desynchronization. Don't let the headphones "zero" completely on a regular basis. Deep discharge of lithium-ion batteries is harmful and can lead to unstable operation of the power controller, which indirectly affects the stability of the Bluetooth connection. Keep the headset in a dry place. Moisture is the enemy of electronics, and the oxidation of contacts inside the Xiaomi Earbuds 2 can become an irreversible process that requires repair. Timely update the software through the application, which indirectly affects the stability of the friends who can not get out of the system from the end of the system. Try repeating the procedure by holding the sensors for longer (up to 15-20 seconds) until you see a clear red flash. Also make sure that the Bluetooth on the phone is turned off at this point. Can you synchronize the headphones without a case? No, for the procedure of full reset and primary synchronization between the earphones, the headphones need to interact through the contacts of the charging case or being in close proximity to each other outside the phone. The case acts as a charge controller and often as an initiating device for reset. What to do if only one indicator is lit? If, when extracting from the case, only one of the second indicator, the headphone, the device is not detected from the battery, or the second one is not from the contact with the battery. Does the warranty reset itself? No, Software Reset is a standard function provided by the manufacturer to eliminate software errors. This action does not violate warranty obligations, unlike opening the case or trying to solder components. How long does the synchronization process take? The process of finding each other after the reset usually takes 3 to 10 seconds. If within 30 seconds the headphones do not connect into a stereo pair (one indicator flashes, another does not flash or burn differently), then the procedure failed and requires repetition.