Wireless headphones have become an integral part of everyday life β they allow you to listen to music, answer calls and use voice assistants without getting tangled wires. However, even with simple devices like Xiaomi AirDots, Redmi Buds or Haylou GT, users often have questions: why the phone does not see the headphones, how to properly pair them or why the sound is interrupted. This article will help you understand all the nuances of connecting Bluetooth headphones to Xiaomi smartphones, from basic settings to solving common problems.
We'll look at not only the standard connection procedure, but also subtleties that are rarely mentioned in official instructions, such as why Mi True Wireless Earphones can only connect to one earphone or how to reset headphones if they've forgotten your phone. You will also know what the settings are. MIUI It affects the sound quality and the stability of the connection. TWS-Headphones or encountered an error when connecting - this instruction is for you.
1. Preparation of headphones and telephone for pairing
Before you start connecting, make sure both devices are ready to go. Headphones should be charged (the indicator on the case usually burns white or green when there is enough charge), and the phone is turned on Bluetooth and turned off the Charge Saving mode, which can limit the operation of wireless modules.
Pay special attention to the case of headphones: many models (for example, Xiaomi Air 2 Pro or Redmi Buds 4) automatically turn on the pairing mode when the first lid is opened. If the headphones have already been used with another device, they will have to be reset.
- π Make sure the headphones are in the case and charged (the indicator flashes red when the charge is low).
- π± Close all apps on your phone that may use Bluetooth (such as Mi Fit or Spotify).
- π If the headphones previously connected to another device, remove them from the list of conjugated in the phone settings.
- π οΈ For models with a reset button (e.g. Haylou) GT1) Hold it for 10-15 seconds until the indicator flashes red and white.
On Xiaomi phones with MIUI 12-14, it is recommended to disable the Automatic Device Switch function (located in Settings β Bluetooth) before connecting, unless you plan to use headphones with multiple gadgets.
2. Step-by-step instruction: how to connect headphones to Xiaomi over Bluetooth
The pairing process on all Xiaomi models (whether Redmi Note 11, POCO X5 or Mi 13) is almost identical, but fine details may vary depending on the version of MIUI.
- Open the case lid with headphones. In most models (for example, Xiaomi Buds 4 Pro), they will automatically turn on and go into pairing mode.
- Activate Bluetooth on your phone: Swipe down from the top edge of the screen to open the notification bar. Press and hold the Bluetooth icon (or go to Settings β Connections β Bluetooth).
Find the headphones in the list
Mi True Wireless Earphones 2
Redmi Buds 3 Lite
Confirm the conjugation
0000
1234
Connect
Wait for completion
blue
Connected.
If the headphones donβt appear in the list, try:
- π Reboot Bluetooth on your phone (disable/enable in the notification panel).
- π΅ Remove the headphones from the case and put them back, then open the lid again.
- π Check the charge of the case - at a discharge below 10%, the headphones may not turn on.
Charge the case of headphones up to 50%+
Disconnect Headphones from Other Devices
Make sure that Bluetooth is on your phone
Close background applications that use sound
Reboot your phone with previous connection errors-->
3. Problem Solving: Phone doesn't see headphones or only connects one
One of the most common problems is when the phone finds the headphones, but connects to only one (usually the right one), which is typical for models with a main and a slave earphone (for example, Xiaomi Air 2 SE or Redmi Buds 3 Pro).
| Problem. | Possible cause | Decision |
|---|---|---|
| Only one headphone is connected. | The headphone is discharged or not synchronized with the main headphone | Put both earbuds in the case for 10 seconds, then pull out and wait 30 seconds |
| Phone can't find headphones | Headphones in energy saving mode or dropped | Hold the button on the case for 15 seconds until flashing red and white |
| The sound is interrupted or stuttered | Interference from other Bluetooth devices or Wi-Fi | Disable other gadgets, reconnect headphones, change the codec in Bluetooth Settings β More |
| The headphones are plugged in, but there's no sound. | The right sound source is not selected in MIUI | Swipe down notification panel β click on the headphone icon β select Media Audio |
For models with dual connectivity (such as Xiaomi Buds 4), check if Game mode is activated in the headphone settings - it can turn off the second earphone to reduce latency.
- Open the Mi Earphones app (download from Google Play if it isnβt).
- Go to the Sound Settings β Connection Mode.
- Choose Stereo instead of Mono (game).
How to reset Xiaomi headphones to factory settings?
4. Optimize Bluetooth sound and settings in MIUI
Even after a successful connection, the sound quality can be disappointing: low volume, wheezing or delays. MIUI has hidden settings that will help improve playback:
- π΅ Bluetooth Codec: Go to Settings β Bluetooth β Settings (cogs) β Sound quality. Select music. AAC (balance of quality and stability) or aptX (if headphones support) for games and video β SBC (lesser).
- π Bass Enhancement: In the Mi Earphones app (for supported models), activate Bass Mode or set up the equalizer manually.
- πΆ Connection Stability: Turn off Adaptive Wi-Fi in Settings β Wi-Fi β Additionally, if the headphones begin to βbrakeβ next to the router.
Critical setting for gamers: MIUI 13+ has added the option βLow Bluetooth Latencyβ (hidden by default). To activate it, type the code ##225477## in the Phone app, then select Enable BLE Audio Latency Reduction. This will reduce lag to 80-100 ms (versus the standard 150-200 ms), but can increase headphone battery consumption.
If the sound is interrupted, check:
- π± Version MIUI: In older builds (below 12.5) there were bugs with Bluetooth 5.0. Update the software in Settings β The phone. β Updating the system.
- π Headphone Charge: At a level below 20%, many models automatically reduce bitrate to save energy.
- π‘οΈ Viruses: Some adware apps block Bluetooth connections.Cert phone via Google Play Protect.
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If the headphones are connected but the sound is only in one ear, try manually selecting a Bluetooth profile: go to Settings β Bluetooth β Settings β Audio Profile and select A2DP Sink instead of HFP (hands-free mode).
5. Features of connecting to different Xiaomi models
While the pairing algorithm is universal, some phone and headphone models have nuances, such as the POCO F4 with MIUI for POCO may not have the Mi Earphones app, and the Xiaomi 12T may not have the pre-installed app, and the table below shows key differences:
| Model phone | Features of Bluetooth | Recommendations |
|---|---|---|
| Redmi Note 10/11 | Bluetooth 5.1, but weak signal in metal case | Keep your phone and headphones at a distance of no more than 5 meters without obstacles. |
| POCO X3/X4 | There is no branded software for headphones Xiaomi | Install Mi Earphones from Google Play manually |
| Xiaomi 12/13 Pro | Support LE Audio and LC3-codec | Enable Advanced Audio Mode in Bluetooth Settings |
| Redmi 9A/9C | Bluetooth 5.0 with stripped down codecs (no aptX) | Use AAC for better sound quality |
For owners of Xiaomi Pad 5/6, it is important to know that tablets on MIUI for Pad can conflict with headphones if they are already paired with a phone on the same Mi Account.
- Open Settings β Xiaomi Account β Devices.
- Remove the headphones from the list of synchronized gadgets.
- Connect them directly to the tablet.
If youβre using the Xiaomi Watch S1 or another gadget ecosystem, make sure the watch settings turn off the headphone autoconnect option β it can βinterceptβ the connection from the phone.
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On phones with MIUI 14 and later, Xiaomi headphones connect faster thanks to the Fast Pair function. To activate it, just open the case cover next to the phone - a pop-up with a pairing offer will appear.
6.How to turn off or forget headphones in MIUI
If you no longer plan to use headphones with your phone (for example, selling them), it is important to remove them from the list of devices correctly. Simply turning them off through the notification panel does not erase the pairing data, and the next time you turn on Bluetooth, the headphones will connect automatically.
To completely remove the headphones:
- Go to Settings β Bluetooth.
- Find your headphones in the list and click on the gear icon next to the name.
- Select Forget the Device (or Remove in older versions of MIUI).
- Confirm the action. The headphones will disappear from the list and be ready for a new pairing.
If the headphones are automatically connected after removal, reset them (see the instructions above). Also check if Auto Connection is activated in Settings β Bluetooth β Additional.
β οΈ Note: On some models (e.g. Redmi Buds 3 Pro) the headphones may reset to factory settings after being removed from the phone.
7 Advanced Features: Dual Connection, Voice Assistant and Gestures
Modern. TWS-Xiaomi headphones support features that many users are unaware of, such as dual connectivity that allows you to pair your headphones with your phone and laptop at the same time (good for work:
- Connect the headphones to the first device (phone).
- Open the case cover and hold the pairing button for 5 seconds until the indicator starts flashing blue and white.
- On the second device (laptop), find the headphones in the Bluetooth list and connect.
Other useful functions:
- π€ Voice Assistant: Tap your headphone twice (set up in Mi Earphones) to call Google Assistant or Alice.
- π Transparent mode: activated by triple touch (allows you to hear surrounding sounds without removing headphones).
- πΆ Autopause: Music stops when the earpiece is removed from the ear (only works with supported models).
For models with ANC (active noise cancellation), such as Xiaomi Air 2 Pro or Buds 4 Pro, in the Mi Earphones app you can adjust the noise reduction level (weak to maximum) or turn on the street attention mode.
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Xiaomi Buds 3T Pro and newer headphones support spatial sound (3D-audio). To turn it on, go to Settings β Sound β Spatial Sound Effects β Spacious Sound and select Dynamic or Movie.