Why Redmi 5 can't see headphones?
Wireless headphones have become an integral part of everyday life, but connecting to Xiaomi smartphones sometimes raises questions - especially for owners of 2017-2018 models such as the Redmi 5. The problem is not the age of the device: the phone supports Bluetooth 4.2, which is enough for most modern headsets. However, the nuances of MIUI firmware, features of the Qualcomm Snapdragon 450 chipset and even basic settings can complicate the process.
In this article, weβll look at not only the standard pairing procedure, but also the hidden settings that will help if the headphones are not detected or intermittent, how to update the firmware for better compatibility, which MIUI codes are responsible for resetting the Bluetooth module, and why some headphone models (such as AirDots or Sony WH-1000XM3) require additional manipulation, and also the compatibility table and answers to frequent questions that are not covered even in official instructions.
If you've tried to plug in your headphones before and you've encountered a "Device not found" or "Pair failed" error, don't be quick to blame the technology. 80 percent of the time, the problem is solved by settings that most users don't know about, and let's start with the basic algorithm.
Step 1: Checking the compatibility of headphones with Xiaomi Redmi 5
Before you try to connect devices, make sure your headphones support the Bluetooth profiles that Redmi 5 works with.
- π§ A2DP (streaming)
- π€ HFP/HSP (headset)
- π΅ AVRCP (reproduction)
- β‘ LE (Low Energy) for battery-powered devices
Problems are more common with headphones that use proprietary codecs (such as Sony LDAC or Samsung Scalable Codec), in which case the sound can be transmitted, but with distortion or delay.
| Model headphones | Compatible with Redmi 5 | Notes |
|---|---|---|
| Xiaomi AirDots (all generations) | β Complete. | May require manual reset before first connection |
| Sony WH-1000XM3/XM4 | β Partial | SBC/AAC only works, LDAC is not supported |
| Apple AirPods (1β3 gen) | β Complete. | Mono sound when calling due to MIUI restrictions |
| JBL Tune 510BT | β Complete. | There may be delays when watching videos. |
| Samsung Galaxy Buds | β οΈ Limited. | Requires Dual Audio to be disabled in Samsung settings |
Important: Xiaomi Redmi 5 does not support Bluetooth 5.0 or newer versions, so headphones with energy-saving protocols (for example, Qualcomm aptX Adaptive) will work in compatibility mode, which can reduce the battery life of the headset.
Step 2: Prepare the phone to pair
Before connecting your headphones, make the basic settings on Redmi 5 to avoid typical errors:
- Activate Bluetooth: Go to Settings β Bluetooth and turn on the switch. If the icon is gray, check if the flight mode is on (it turns off all wireless modules).
- Update your firmware: MIUI below version 10.2 may have Bluetooth bugs. To check for relevance, go to Settings β About Phone β System Update. If a new version is available, install it.
- Reset network settings (optional): If you have previously had connection problems, reset: Settings β System and device β Additional β Resetting β Reset network settings.
Attention! If you use custom firmware (like LineageOS or Pixel Experience), some Bluetooth features may not work properly, in which case it is recommended to return to the official MIUI or install a patch for the Bluetooth module.
Turn on Bluetooth in settings | Check no flight mode | Update MIUI to the latest version |Remove old coupled devices (if any) |Reboot phone-->
Step 3: Enable the pairing mode on the headphones
Each headphone model activates the search mode in its own way. Below are instructions for popular brands:
- π§ Xiaomi AirDots: Press the button on the case of the charging case for 5-7 seconds, until the indicator starts flashing white and red.
- π Apple AirPods: Open the case cover and press the button on the back (for models) 1β2 On the AirPods. 3/Pro pairing.
- π΅ Sony WH-1000XM: Hold the power button for 7 seconds until you hear the voice message "Bluetooth pairing".
- π JBL: Turn on your headphones and press the Bluetooth button for 3-5 seconds (the indicator will start flashing blue).
If the headphones don't flash or are on red, it means a battery is dead or a hardware malfunction. Try charging the device for 10-15 minutes and try again.
β οΈ Note: Some headphones (such as Samsung Galaxy Buds) require pre-reset via the manufacturer's app. without this, they may not appear in the list of available devices on Xiaomi.
Step 4: Connect your headphones via Bluetooth menu
Now letβs move on to the process of pairing itself:
- Open the Settings. β Bluetooth on Redmi 5.
- Make sure the slider at the top of the screen is active (blue).
- In the "Available Devices" section, find the name of your headphones (e.g. "AirDots"). Basic_R" or "WH-1000XM3").
- Put the name on it, it'll start the pairing process. PIN-code, enter 0000 or 1234 (indicated in the instructions for headphones).
When you successfully connect, the headphones will be marked "Connected." If the device is identified, but the sound is coming through the speaker of the phone, check:
- π Audio source: while playing music or video, tap the speaker icon in the notification panel and select headphones.
- π± App settings: Some programs (like YouTube or Spotify) may ignore Bluetooth devices β check their audio settings.
π‘
If the headphones are plugged in but the sound is interrupted, try turning off battery optimization for the Bluetooth app in MIUI settings. This often solves the communication cliff problem.
Step 5: Eliminating Common Mistakes
If the headphones are not connected or are unstable, use these tips:
| Problem. | Possible cause | Decision |
|---|---|---|
| No device found. | Headphones are not in pairing mode or turned off | Reboot your headphones and phone, repeat the search |
| The conjugation failed. | Conflict with other connected devices | Remove all your Bluetooth devices and try again |
| The sound is coming through the phone. | No audio source selected | Slip the speaker icon in the notification curtain |
| Permanent communication breakdowns | Interference from other devices (Wi-Fi, microwaves) | Turn off Wi-Fi or move to another location |
For a deep reset of the Bluetooth module on Redmi 5, use the engineering menu:
- Open the Phone app.
- Enter the code: ##4636###.
- Select Phone Information β Bluetooth.
- Press Data Reset (reboot required).
β οΈ Warning: After being reset via the engineering menu, all the associated devices will be removed, including smartwatches, fitness bracelets and automotive systems.
What if the headphones are connected but there is no sound?
Step 6: Optimize Bluetooth on Xiaomi Redmi 5
To improve connection stability and sound quality, perform the following settings:
- π Turn off battery optimization for Bluetooth: Go to Settings β Annexes β Application management β Three dots (menu) β Special access β Battery optimization. Find Bluetooth and select "No Limits".
- π΅ Select the optimal audio codec: In Settings β Bluetooth tap the gear icon next to the connected headphones. If you have a choice of codec (e.g., a codec, SBC, AAC, aptX), select AAC β It provides a better balance between quality and stability.
- πΆ Change Bluetooth regional settings: In some firmware MIUI Bluetooth frequency range is limited. To expand it, type setbtchannel 79 (root rights required) in the engineering menu (#4636).
For noise-producing (ANC) headphone owners, Redmi 5 does not support high-bitrate audio (such as LDAC or aptX HD), so ANC may work less efficiently. To improve noise suppression, turn off Adaptive ANC mode in the headphone settings and use Static.
π‘
If after connecting the headphones, the phone began to discharge faster, check whether the Bluetooth module remains active in the background. Go to Settings β Battery β Battery Use and see the power consumption of the Bluetooth application.
Additional functions: gesture and voice management
Modern wireless headphones support gestures and voice commands, but they may require additional settings to work on Redmi 5:
- π Gestures on headphones: For Xiaomi AirDots or Apple AirPods, download the official manufacturer's application (Mi Home or AirPods Pro Firmware). You can configure: Double touch for playback / pause Triple touch for calling voice assistant Hold for switching tracks
- π€ Voice assistants: To activate Google Assistant or Alice through headphones, go to Settings β Annexes β Default Assistant and select the service you want. Then, in Bluetooth settings, allow access to the microphone.
For Sony WH-1000XM and other multipoint headphones (simultaneously connecting to two devices) on Redmi 5, this feature may not work smoothly. To avoid problems, turn off multipoint in the headset settings.