Where is the microphone on Xiaomi Redmi Note 8 Pro: location, check and troubleshooting

Xiaomi Redmi Note 8 Pro remains one of the most popular smartphones of the brand even years after its release, its reliability and functionality have been appreciated by millions of users, but sometimes questions arise about the hardware β€” for example, where exactly are the microphones and how to check their performance.

The microphones in Xiaomi smartphones are often the weak link due to dust, moisture or mechanical damage. In the Redmi Note 8 Pro, there are several of them, and each is responsible for its own recording area. If your interlocutor does not hear you when you are calling or voice messages are recorded with noise, this is a direct signal for diagnosis. Next, we will discuss in detail where to look for microphones, how to test them and what to do if they fail.

Xiaomi Redmi Note 8 Pro: how many microphones in the device

The Redmi Note 8 Pro has three microphones, each of which performs its function:

  • 🎀 Main microphone – responsible for recording voice during calls and voice messages.
  • 🎀 Second microphone (for noise reduction) – suppresses extraneous sounds during a conversation.
  • 🎀 Third microphone (for recording videos and streams) – located next to the main camera.

This allows you to achieve clear sound even in noisy conditions, for example, when you're shooting a video on the street, the third microphone focuses on the voice, and the second one extinguishes background noise, but if any of them fails, the recording quality deteriorates dramatically.

It's important to understand that the microphones in the Redmi Note 8 Pro are not interchangeable. If the main one breaks, you won't hear the person you're talking to, if the noise-cancellation microphone fails, the voice will be transmitted with an echo or interference.

πŸ“Š Why do you use the microphone on your smartphone most often?
Calls.
Voice communications
Video recording
Streams.
Other

Where exactly is the microphone on Xiaomi Redmi Note 8 Pro: photos and diagrams

We'll take each microphone's location and tie it to the body of the device, and for convenience, use a flashlight, because microphone holes are often confused with speakers or sensors.

1. Main microphone (for calls)

  • πŸ“ Located at the bottom of the body, next to the connector USB-C.
  • πŸ” It looks like a small circular hole to the left of the connector (if you hold the phone face to face).
  • ⚠️ Often clogged with dust or clogged with villi from your pocket.

Noise reduction microphone

  • πŸ“ Located in the upper part of the body, next to the speaker.
  • πŸ” The hole is almost imperceptible - it is easy to confuse it with a light sensor.
  • ⚠️ If this microphone is damaged, the interlocutor will hear echoes or extraneous noises.

3.Micron for recording video

  • πŸ“ Located on the back, next to the main camera (left of the flash).
  • πŸ” The hole is very small, often covered by a protective net.
  • ⚠️ If this microphone does not work, the video will be recorded without sound or with a strong noise.

Important: on some versions of the Redmi Note 8 Pro (for example, for the Indian market), the location of the second microphone may differ slightly - it is shifted closer to the center of the upper frame.

How to distinguish a microphone from a speaker?
The speaker has a visible metal lattice and is larger in size, whereas the microphone is a tiny hole (1-2 mm) without protective elements.

How to check the microphone on Redmi Note 8 Pro: Step-by-step instructions

If you suspect the microphone is not working, first make sure the software is not the problem.

  1. Restart your phone – sometimes the microphone will β€œglut” due to temporary system failures.
  2. Check the sound settings: πŸ”Š Go to Settings. β†’ Sound and vibration β†’ Quality of calls. πŸ”Š Make sure that voice enhancement is enabled (if disabled, turn on and restart your phone).

Test the microphone with built-in tools

  • 🎀 Open the Dictaphone app and record it. 5-10 second.
  • 🎀 Listen to the recording – if the sound is intermittent or absent, the hardware problem is.
  • Use third-party apps (such as the Microphone Test from Google Play).

If the microphone does not work after all the manipulations, it is most likely that cleaning or replacement is required.

β˜‘οΈ Checklist before contacting the service

Done: 0 / 5

Typical microphone problems in the Redmi Note 8 Pro and their solutions

Redmi Note 8 Pro users are most often faced with the following microphone malfunctions:

Problem.Possible causeDecision
The interviewee does not hear the voice well.Clogging of the main microphoneCleaning the hole with a soft brush or compressed air
Echoes or extraneous noisesFailure of the noise reduction microphoneDiagnostics at the service center
There is no sound when recording the videoDamage to the third microphoneReplacement of the microphone or the entire camera module
The microphone only works on speakerphone.Failure in settings or damage to the plumeResetting or repair

If the problem occurs after a phone drop or moisture is injected, you will most likely need to disassemble the device. You can only clean the microphones yourself dryly - do not use alcohol or liquids, this can damage the membrane.

⚠️ Note: If the microphone stops working after the update MIUI, Try to roll back to the previous firmware version. In some builds (e.g, MIUI 12.5.3) were sound-related bugs.

How to Clean the Mik on Xiaomi Redmi Note 8 Pro at Home

If the problem is clogging, you can try cleaning the microphone yourself.

  • πŸ–ŒοΈ Soft art brush (size) 0-1).
  • πŸ’¨ A container with compressed air (for cleaning equipment).
  • πŸ”¦ Lighting lamp.

Step-by-step:

  1. Turn off the phone and get it out. SIM-card (just in case).
  2. Point the flashlight at the microphone hole, so you will see the blockage better.
  3. Carefully walk the brush along the hole without pressing.
  4. Use compressed air (hold the balloon vertically, at a distance of 5-7 cm).
  5. Repeat the procedure for all microphones.

If the sound has not recovered after cleaning, do not try to pick the hole with a needle or toothpick - this almost always leads to damage to the membrane.

πŸ’‘

Before cleaning, take a picture of the microphones’ location – so you won’t confuse them with other holes (such as a pressure sensor).

When repairs are needed: signs of serious malfunctions

Not all microphone problems can be solved at home.

  • πŸ”‡ The microphone is not working at all (none of the three are in the system).
  • πŸ’§ The phone fell into the water or was exposed to severe humidity.
  • πŸ”¨ On the body, cracks or dents are visible near the microphones.
  • πŸ”„ The problem arose after the unofficial firmware.

The cost of microphone repair in the Redmi Note 8 Pro depends on the type of malfunction:

  • πŸ”§ Cleaning for dust/moisture β€” 500-1000 β‚½.
  • πŸ”§ Replacement of one microphone β€” 1500-2500 β‚½.
  • πŸ”§ Replacement of microphone plume β€” 3000-4000 β‚½.

If the phone is warranty, don’t try to repair it yourself – this will void Xiaomi’s warranty obligations.

⚠️ Warning: Some services may offer "universal" microphones from other Redmi models. insist on original parts - incompatible microphones quickly fail and deteriorate the sound quality.

Alternative ways to use your phone if the microphone is broken

While the phone is under repair, you can use workaround solutions:

  • 🎧 Use a headset with a microphone – connect wired or Bluetooth headphones.
  • πŸ“± Turn on speakerphone (but it's uncomfortable in public places).
  • πŸ’¬ Switch to text messages or voice messengers (for example, Telegram allows you to send voice without a microphone through a file).
  • πŸŽ₯ To record video, use an external microphone (connected via USB-C or 3.5 mm adapter).

If you need to make a call urgently and the microphone is not working, try using the feature "Loud" + speaker in the call settings.

  1. Open the Phone app.
  2. Dial the number and click on the speaker icon at the top of the screen.
  3. Speak towards the top speaker – sometimes it helps if the problem is in the bottom microphone.

πŸ’‘

If the microphone is out of order due to moisture, do not turn the phone on until it is completely dry (at least 24 hours in rice or silica gel).

FAQ: Frequent questions about microphones in Xiaomi Redmi Note 8 Pro

Can I replace the microphone in the Redmi Note 8 Pro?
Technically, yes, but it requires experience in disassembling smartphones, and the microphones are soldered to the motherboard, and you need a soldering station, tweezers and a magnifier to replace them, and without the skills you risk damaging the board or the plumes, and you better go to the service.
Why does the microphone only work in some applications?
This may be due to permission settings. Check if the application has access to the microphone in Settings β†’ Applications β†’ Permissions β†’ Microphone. Also, some programs (such as Zoom or Discord) can use their own microphone module.
How to turn off noise cancellation if it interferes?
In the Redmi Note 8 Pro, you can't turn off noise cancellation completely, but you can reduce the impact. To do this, go to Settings β†’ Sound and Vibration β†’ Call Quality. Turn off Voice Improvement. Reboot your phone. This won't turn off noise cancellation completely, but it will make it less aggressive.
Can the cover block the microphone?
Yes, especially if the case is tightly attached to the bottom or top of the case, try to remove the case and test the microphone again, and avoid magnet covers, which can affect sensors and microphones.
What if the microphone gets worse after the update?
Sometimes MIUI updates make changes to the sound processing. Try: Reset the sound settings to factory (Settings β†’ System β†’ Resetting β†’ Resetting the sound settings). Reverse to the previous firmware version (if you know how to do this). Clear the cache of system applications (Settings β†’ Apps β†’ Show all β†’ Settings β†’ Clear cache).