The situation when one of the headphones Xiaomi stops showing signs of life, familiar to many owners of wireless devices. TWS-It can happen suddenly, you take the headset out of the case, and there's silence in your right or left ear, even though the indicators are on. Often the problem isn't the physical breakdown of the speaker, but the banal dissynchronization of the channels or the software failure of the firmware.
Before you carry a device to a service center or write angry reviews, it is worth conducting a deep diagnosis. In 80% of cases, the malfunction is resolved independently in 5-10 minutes.
In this article, we will take a look at all possible scenarios, from simple settings to complex hardware problems, learn how to distinguish between software glitches and real-world breakdowns, and learn how to properly execute Hard Reset for your model.
Software failures and Bluetooth desynchronization
The most common reason Xiaomi's headphone stopped working is because of software: wireless devices are constantly communicating with each other and with the smartphone. Sometimes this process is disrupted, and one of the modules falls asleep or loses touch with the master device, in which case the system may think that the headset is connected, but the audio stream is not transmitted.
To fix the problem, it is often enough to perform a full reset, which will return the device to factory parameters and force the reconnection of both channels. It is important to understand that the standard Bluetooth disconnection in the phone menu does not always solve the problem, since the connection cache can be saved.
- 📱 Completely remove the device from the Bluetooth list on your phone ("Forget the device").
- 🔄 Perform the Hard Reset procedure according to the instructions for your model.
- 🔌 Turn off the case charging and headphones before setting up.
- 📡 Turn on Bluetooth again and perform pairing from scratch.
If the problem persists after reconnecting, it is worth checking whether the mono-audio mode is activated in the settings of special features of your smartphone. Sometimes the Android or iOS system mistakenly directs all the sound to only one channel, creating the illusion of a breakage of the second headphone.
⚠️ Warning: Before reset, make sure both earbuds are in the case and charged at least 20%. interruption of the reset process due to discharge can lead to complete failure of the device.
Problems with charging and case contacts
A common situation is that you open the case and one Xiaomi earphone just doesn't burn. It's a classic sign that it hasn't charged. Even if the indicator on the case lights up, it doesn't guarantee that the charge went to the earpiece itself. The main reason is oxidation or contamination of the contact areas.
In the process of operation, earwax, dust and moisture accumulate on the metal pins of the headphones and inside the recesses of the case, which creates an insulating film that prevents current from passing, and the battery goes into a deep discharge, and the power controller blocks the device from turning on.
To clean the contacts, use a cotton swab lightly soaked in isopropyl alcohol. Do not use water or aggressive solvents, as they can damage the coating or get inside the case.
☑️ Diagnostics of charging
It's also worth checking the case itself, if it's discharged, it won't wake up the headphones. 15-20 Sometimes it takes the controller time to raise the battery voltage to the minimum power threshold.
⚠️ Warning: Do not try to charge your headphones if liquid is injected. Let the device dry completely during the day. 24-48 hours in a dry place before connecting to the current.
How do you distinguish marriage from rank?
Hardware malfunctions of speakers and membranes
If software and charging didn't work, you'll have to consider a physical breakdown: Inside the compact Xiaomi Redmi Buds or Mi True Wireless case, there's a miniature speaker with a very thin membrane that's sensitive to pressure drops, impacts and moisture.
One of the hidden causes of silent sound or lack of it is contamination of the mesh. Earwax can tightly clog the hole, and the sound just won't pass out. Visually, it may not be noticeable, but acoustic impedance increases dramatically.
| Symptoms. | Possible cause | Method of decision |
|---|---|---|
| Quiet, muffled sound | Grid contamination | Careful brushing |
| Crackling and wheezing | Membrane damage | Replacement of the speaker |
| Total silence | The plume break | soldering or module replacement |
| Sound only in motion | Outgoing contact | Disassembly and soldering |
If you hear a crack, a rustle, or a sound that is interrupted when you touch the body, it's likely that the internal contact is broken or the speaker is damaged. In budget models, repairs are often not cost-effective, it's easier to buy a new pair, but if the device is guaranteed, it's a direct route to service.
💡
To clean the speaker mesh, use a soft toothbrush and a minimum of alcohol. Don't pick the mesh with a needle, you risk piercing the membrane, after which the sound will become hoarse forever.
Software version conflict and resetting settings
Sometimes it's because the left and right earbuds firmware versions are incompatible, and when you upgrade through Mi Wear or Xiaomi Earbuds, it can be incorrect for one of the modules, and as a result, they don't "understand" each other.
In this case, you need to force synchronization. The reset procedure is different for different Xiaomi models. TWS-models need to pinch the touch pads or physical buttons on both headphones at the same time on the 10-20 seconds until the indicators flash a certain color (often red or white).
Once reset, the headphones go into pair-search mode, and it's important that the Bluetooth on the phone is turned off at that point so that they can sync with each other first, and only after they find each other can you turn on the search on the smartphone.
⚠️ Warning: Don't press reset buttons too hard.Touch areas on some models (e.g. Redmi AirDots) are very sensitive and excessive pressure can damage the internal circuitry.
💡
The correct sequence of actions when resetting: Clear the Bluetooth list -> Put the headphones in the case -> Press the buttons for 20 seconds -> Retrieve and repair.
Diagnostics through Mi Wear and Xiaomi Earbuds
For owners of Xiaomi original products, the essential tool is the branded app, which allows you to see the charge status of each headphone separately, which is the first step in diagnosis. If the application shows 0% or "not found" for one of the modules, the problem is clearly hardware or associated with contact.
The app settings often hide features that can help, such as finding the optimal position of the earphone in the ear or adjusting the equalizer, and sometimes users accidentally set the sound balance entirely on one channel in the phone's system settings, ignoring the app's settings.
You can also check firmware's version through the app, and if it's outdated, try updating it by putting your phone as close to the case as possible, and an unstable connection during an update is a common cause of later glitches.
- 📲 Install an official app for your model.
- 🔋 Check the charge level of the left and right earphone separately.
- 🆙 Check for firmware updates.
- ⚖️ Make sure that the channel balance in the application is set in the center.
When professional repairs are needed
There are a number of symptoms in which self-repair is useless and even dangerous. If water (especially salty or soapy water) gets inside the earphone, corrosion of contacts can begin instantly.
Also a sign of fatal failure is battery bloating, and if the headphone is no longer in the case, it bursts or warms up when charging, immediately stop using. Lithium polymer batteries in such compact devices can ignite.
In the case of a mechanical impact (falling on asphalt, stepping on the foot), the piezoelectric element often cracks or the soldering speaker departs. Visually, the body may be intact, but inside the microscopic crack interrupts the chain, and only replacing the component in service conditions will help.