Why Xiaomi Headphones Work Separately: Reasons and Solution

The situation when Xiaomi or Redmi wireless headphones stop synchronizing with each other is one of the most common problems of users. TWS-Instead of stereo, you hear music in one ear, or you hear both channels independently, output different tracks, because of Bluetooth protocol out-of-synchronization, firmware failure, or contamination of charging contacts.

In most cases, the device does not require complex repairs in the service center. software failure is easily fixed by the correct reset procedure (Hard Reset) and re-pairing. It is important to understand that modern models such as AirDots 3 or Buds 4 have complex control algorithms that sometimes conflict with the operating system of the smartphone.

In this article, we will discuss the reasons for desynchronization, describe the recovery algorithm Step-by-step and answer frequent questions about setting up. Follow the instructions carefully to return full stereo to your gadget.

The main reasons for the dissynchronization of wireless headphones

Before you start to act, you need to understand the nature of the failure, and most often the problem is that the left and right modules have forgotten each other and switched to independent connection to the sound source, which can happen after upgrading the phone OS, draining the battery to zero or abruptly breaking the communication.

Another common cause is physical interference: Dirt, earwax or oxidation on the charging contacts inside the case prevents the earpiece from charging or turning on at the same time as the "brother", resulting in one module running while the second remains in sleep mode or trying to create a new access point.

A smartphone can remember headphones as two different devices (for example, "Mi True Wireless EBs Basic" and "Mi True Wireless EBs"). Basic_R»). In this case, the system cannot combine them into a single stereo pair.

• 🔋 Complete discharge of one of the modules, leading to desynchronization.
• 📡 Bluetooth profile conflict in smartphone memory.
• 💧 Getting moisture or dirt on contact areas.

⚠️ Attention: If one of the headphones went off to zero and had been lying there for several months, its battery could go into a deep discharge. 15-20 minutes in a case connected to the network before it can be switched on and synchronized.

Basic setup and reset procedure (Hard Reset)

The most effective way to solve this problem is to completely reset the headphones, which force the modules to re-find each other and pair up before connecting to the phone. For Mi True Wireless Earbuds Basic and AirDots models, the process can be slightly different.

First, remove the device from the list of paired in your smartphone's Bluetooth menu. Then place both earbuds in the charger case. Make sure they start charging (the indicators should catch fire). If the lights don't burn, wipe the contacts with a dry cotton swab.

Now reset. On most Xiaomi models, you need to pinch the touch zones on both headphones simultaneously for 20 seconds until the indicators flash red several times. On models with a button on the case (for example, FlipBuds), you need to press the button on the case for 10-15 seconds.

Once reset, the headphones will go into pairing mode. Don't plug them right into the phone. Give them 5-10 seconds to "find" each other. Usually, the indicator of one of them will flash slowly, signaling readiness to connect.

Specifics of working with the Xiaomi Earbuds application

For advanced diagnostics and customization, the official Xiaomi Earbuds app (or Mi Home) is recommended, which allows you to see the real charge of each module and, more importantly, update their firmware. Often desynchronization is caused by a bug in the old version of the software.

Inside the app, you can check if the headphones are seeing each other, and if the app only shows the charge of one module, the other module is not connected to the system or is off, and the headphone search function also helps determine whether the lost channel is active.

Updating your firmware is a critical step. Manufacturers regularly release patches that improve connection stability. If your Redmi Buds 3 Pro or Air 2 SE is unstable, check the "About Headphones" section in the app.

Problems with the case and charging contacts

Case for TWS-It's not just a box, it's a full-fledged charger with a power controller. If one of the headphones doesn't charge because of bad contact, it won't turn on when it's removed, and you'll only hear sound in one ear.

Look at the golden contacts inside the case recesses and on the headphones themselves. They often accumulate oxidized plaque or pile. Carefully clean them with a dry toothbrush or cotton swab dipped in isopropyl alcohol. Mechanical cleaning solves 30% of the problem with the "non-working" ear.

Also check the case itself. If it's discharged, it won't be able to activate the headphones when you open the lid. Charge the case fully before you try to sync the headphones again.

The table shows the main parameters for popular models. Please note that the retention time of buttons can vary depending on the firmware version.

Bluetooth and operating system settings

Sometimes the problem is not with the headphones, but with the smartphone. Android or MIUI may not be correctly distributing audio streams. Try turning off the option "Absolute Volume Level" in the developer menu if this problem occurs all the time.

It’s also worth clearing the Bluetooth cache. To do this, go to Settings → Apps → Show all apps → Bluetooth (turn on system processes display) and click “Clean.” After that, the phone will restart and the pair list will be reset.

If you're using an iPhone, check your sound balance settings. Go to Settings → Universal Access → Audio and make sure the balance slider is squarely centered. Shifting the slider can create the illusion that one earbud isn't working.

Hardware malfunctions and physical wear

If the software methods don't work, there's a high probability of hardware failure. TWS-The batteries that are used in the headphones are often broken, the lithium polymer batteries have a limited life cycle, if the headphones are more than the ones that are used in the headphones. 2-3 One of the modules could have stopped holding the charge.

It can also damage the dynamic head due to moisture (sweat or rain) or mechanical impact, in which case the sound may wheez or disappear completely, and a diagnostic at the service center will help determine the exact cause.

⚠️ Warning: Don't try to open the headphones yourself. They're glued and can't be repaired at home without special equipment. You risk damaging the battery and causing a fire.

In some cases, the battery can be “swinged” by leaving the headphones in the case for a few hours (or even overnight) even if the indicator shows full charge, sometimes helping to raise the voltage on the cell.

Prevention and proper operation

To avoid future out-of-synchronization, follow simple rules of use. Don't leave your headphones empty for long periods of time. Try to charge your case regularly, even if you're not using the headset.

Periodically wipe the contacts with dry cloth. Avoid using headphones in extremely low or high temperatures, as this negatively affects the performance of electronics and batteries.

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Keep your headphones dry, and humidity is the main enemy of electronics, causing contact oxidation and short circuits inside the case.

Compliance with these guidelines will extend the life of your Xiaomi TWS and ensure stable stereo sound throughout the life of the device.

Frequently Asked Questions (FAQ)