What to do if Xiaomi Redmi Airdots headphones do not connect to your phone over Bluetooth

Why Xiaomi Redmi Airdots refuse to connect to a smartphone?

Are you pulling out of a Redmi Airdots case, trying to connect to your phone but nothing happens? Or are headphones defined as a device but the connection is constantly resetting? The problem is familiar to many owners of Xiaomi wireless headphones - especially after updating the firmware of the smartphone or prolonged downtime of the gadget. 80% of the time, it is not hardware breakdowns that are to blame, but software failures or incorrect settings.

In this article, we’ll take a look at all possible causes, from simple battery discharge to firmware conflicts, and give step-by-step instructions for each Redmi Airdots model (including Airdots). 1/2/3 And the pro version, and we'll focus on the hidden features. MIUI, If you've tried to reboot your phone and drop your headphones, don't rush them into service, because the solution is probably on the surface.

For convenience, we have divided the methods into basic (for beginners) and advanced (if standard methods do not work), starting with the simplest, checking for obvious points that are often overlooked.

1. Checking the basic connection conditions

Before digging deep into the settings, make sure the minimum connection requirements are met.This seems obvious, but in practice, 30% of Xiaomi support calls are resolved at this stage.

  • πŸ”‹ Headphone and case charge: If the indicator on the case does not burn or flashes red, the Airdots are discharged. Connect the case to charge for 10-15 minutes, then try again. For the Redmi Airdots 3 Pro, the minimum charge level for connection is 15%.
  • πŸ“± Smartphone compatibility: Headphones work with Bluetooth 4.2+, But on older phones (like Redmi). 4A) Airdots 3 may be affected due to lack of support AAC-codec.
  • πŸ”„ Pair mode: Headphones should be in search mode. for Airdots 1/2 β€” hold the button on the case 3 seconds, for Airdots. 3/Pro β€” Press and hold the touchpad on both headphones.
  • 🚫 Conflict with other devices: If the headphones have previously connected to another phone or laptop, they may stick on the old device.

If all the points are met, but the connection does not occur, move to the next section. If the headphones are detected but do not connect (constantly requesting a PIN or issuing an error), the problem lies deeper - most likely in the settings of the phone's Bluetooth stack.

πŸ“Š What kind of Redmi Airdots do you have?
Redmi Airdots 1/2
Redmi Airdots 3
Redmi Airdots Pro
Another model

2.Reset Xiaomi Redmi Airdots headphones to factory settings

The most effective way to resuscitate the headphones is to completely reset, which removes all the connections that are saved and returns the Airdots to a boxy state, and the instructions vary depending on the model.

For Redmi Airdots 1/2:

  1. Put both headphones in the case and close the lid.
  2. Hold the button on the case for 15 seconds until the indicator starts flashing red and white alternately.
  3. Open the lid – the headphones should automatically go into pairing mode (blinking white light).

For Redmi Airdots 3/Pro:

  1. Get the headphones out of the case.
  2. Press and hold the touchpads on both headphones for 10 seconds until you hear the beep and see the flashing red.
  3. Put the headphones back in the case, then pull out - they should be dropped.

After reset, try reconnecting. If the problem persists, check if the energy-saving mode on your phone is blocking the connection (more on that).

β˜‘οΈ Preparation for the Redmi Airdots reset

Done: 0 / 4

3. Bluetooth settings on your phone: what prevents the connection?

Often the problem lies not in the headphones, but in the wrong settings of the smartphone. Xiaomi/Redmi/Poco on MIUI, where by default "optimizations" are enabled, interfering with the work of Bluetooth.

  • πŸ”§ Turn off "Adaptive Bluetooth": Go to Settings β†’ Bluetooth β†’ Additionally, deactivate this option. It automatically disables Bluetooth to save charge, which can interrupt the connection.
  • πŸ“΅ Remove old devices: In the list of conjugate gadgets, find Redmi Airdots (even if they are gray) and click "Forget device." Sometimes duplicate entries interfere with the new connection.
  • πŸ”„ Change Bluetooth Mode: In the same additional settings, select Audio Mode β†’ High quality (for Airdots 3 Pro, this is critical, as they support aptX).
  • πŸ›‘οΈ Turn off "Privacy Protection": In some firmware MIUI This feature blocks automatic connection to the headphones. You can find it in Settings. β†’ Bluetooth β†’ Advanced settings.

If you’re using Redmi Airdots 3 with an Android 12+ phone, check Bluetooth permissions in Settings β†’ Apps β†’ Permissions Management β†’ Bluetooth. Sometimes the system requires explicit confirmation to connect new devices.

πŸ’‘

After resetting your headphones, try connecting them to another phone (like friends) if they work, the problem is precisely with your smartphone settings, not Airdots.

4.Firmware problems: Update and rollback

Redmi Airdots connection failures often occur after upgrading the phone’s firmware or headphones. For example, MIUI 13 had a bug that prevented Xiaomi phones from seeing Bluetooth 5.0 devices (including Airdots 3). and Airdots Pro from upgrading to version 1.4.0.9 had an issue with automatic reconnection.

What can be done:

  • πŸ“² Update your headphone firmware: Connect Airdots to your phone. Open the Mi Home app (or Xiaomi Wear for new models). Find your headphones in the list of devices and check for updates in the firmware section".

Roll back the phone firmware

MIUI

  1. Download the old firmware from en.miui.com.
  2. Go to Settings β†’ About Phone β†’ System Update β†’ Three Points β†’ Select an Service Pack.
Model headphonesUp-to-date version of the firmware (2026)Famous bugs
Redmi Airdots 1/21.2.0.8Connection problems with MIUI 14 on Redmi Note 10
Redmi Airdots 31.7.1.4Breakdowns when listening to music on Spotify
Redmi Airdots Pro1.4.0.12The microphone does not work when calling on Android 13

If the firmware rollback didn't help, try clearing the Bluetooth cache on your phone.

  1. Go to Settings β†’ Applications β†’ Application Management.
  2. Find "Bluetooth" in the list of system applications.
  3. Press Warehouse. β†’ Clear the cache.
How to find out the version of the headphone firmware?
Open the Mi Home app, find Redmi Airdots in the list of devices, and go to About. The firmware version will be listed in X.X.X.X. If the app doesn't show the version, your headphones need an update.

5. Hardware problems: when to carry in the service?

If none of the software has worked, it may be a physical malfunction, and here are some signs that the headphones need repair:

  • πŸ”Œ Charging problems: The case does not charge the headphones, or they discharge in 10-15 minutes.This may indicate battery wear or damage to the contacts.
  • 🎧 One earphone doesn't work: If the left or right Airdots doesn't turn on at all (doesn't blink, doesn't make sounds), the controller is most likely burned.
  • πŸ“‘ If the sound is interrupted every 5-10 seconds, even when the phone is lying nearby – the problem is in the Bluetooth antenna.
  • πŸ’§ Moisture: If headphones fall into water or are used during rain, oxidation of contacts may block the connection.

For diagnosis, try the following:

  1. Check the contacts in the case, they must be clean, without green coating (oxidation), wipe them with a cotton swab soaked in alcohol.
  2. Try connecting your headphones to another phone (preferably on iOS or another Android phone), and if they don't work everywhere, the problem is with them.
  3. See if the headphones are on fire when you remove the headphones, and if they're not, the battery or the power charge is defective.

⚠️ Warning: Don't try to disassemble Redmi Airdots yourself - their body is glued together, and it is easy to damage the plumes when opened. Official repairs at the Xiaomi service center will cost 1,500-3,000 β‚½ (depending on the breakdown, while self-repair often results in a complete loss of warranty.

6. Alternative ways of connecting (if nothing helps)

If standard methods don’t work, try non-obvious solutions that sometimes save you in desperate situations:

  • πŸ”— Connect via Mi Home app: Install Mi Home from Google Play. Sign up and select China Mainland region (important "+" β†’ "Add the device" β†’ "Headphones" β†’ Redmi Airdots.

Use of the developer mode

  1. Activate Developer Mode (7 times click on "Version") MIUI" In Settings β†’ The phone).
  2. Go to Settings β†’ Additional β†’ For developers.
  3. Turn on Bluetooth debugging and Absolute Volume Level.
  4. πŸ”„ Resetting the phone's network settings: Go to Settings β†’ System system β†’ Resetting settings β†’ Reset your Wi-Fi, mobile network and Bluetooth settings. Warning: this will delete all stored networks and devices!

To connect: Press the button on the case (or the sensor on the headphones) until you blink white, then find them in the Bluetooth settings on the iPhone.

Why does one headphone connect and the other not?
This is a typical problem for Redmi Airdots 2/3. Causes and Solutions: One earphone is discharged: Check if the indicator on the problem earphone is on when you remove it from the case. If not, it is discharged or broken. Synchronization failure: Put both earbuds in the case, wait 10 seconds, then pull out. They should sync automatically (you hear the beept. ) The contact in the case is damaged: Try to clean the contacts with alcohol or slightly bend them (neatly!) If nothing helps, one of the headphones is so right (here is not so right).
How to reset Redmi Airdots if the button on the case does not work?
If the mechanical button breaks, try alternatives: For Airdots 1/2: Open the case, pull out the headphones and hold the touchpads on both headphones for 15 seconds. For Airdots 3/Pro: Put the headphones in the case, close the lid and plug the case into charging. After 30 seconds, turn off the charge - sometimes it resets. Through the application: In Mi Home, find the headphones in the list of devices and select "Reset." If nothing works, the case or headphones are faulty.
What if the headphones are connected but there is no sound?
The problem may be audio output settings or codecs. Check this: In Settings β†’ Sound, select Output β†’ Headphones. Turn off the Absolute Volume Level in the developer settings (if enabled). Go to Bluetooth Settings β†’ Additional β†’ Audio Codec and select SBC (most compatible). Check if the sound is at a minimum directly on the headphones (touch-regulated). If there is no audio in certain applications (e.g. YouTube), clear the cache of this application.
Where to download the original firmware for Redmi Airdots?
Official firmware is distributed only through the Mi Home app. Downloading files from third-party sites (e.g. 4PDA) is highly discouraged, which can lead to: Warranty loss, headphones "overheading" (completely inoperable), compatibility issues. If Mi Home doesn't offer an update, then your firmware version is up to date. For forced updates check, reconnect your headphones to the app.