How to set up a microphone on Xiaomi: a complete guide to problem solving

The microphone in Xiaomi smartphones is not just a tool for calling, but a key element for recording voice messages, streams, videos and working with voice assistants. the other person does not hear well, the recording is made with noise, or the microphone does not work at all after the update MIUI. In this article, we will discuss all the ways to configure the microphone on Redmi devices, POCO Mi, including hidden developer settings and solutions to typical faults.

It is important to understand that the microphone setting depends on the smartphone model and firmware version, such as flagship devices (Xiaomi 13 Pro, POCO F5 Pro) have advanced noise reduction algorithms that are not available in the budget Redmi 10A We will look at universal methods, and also point out the features for specific lines.

If you've never checked your microphone settings or you've had problems with the update, this will help you get the sound back to normal without going to the service center, and let's start with the basics and move on to the advanced tricks.

1. Basic microphone settings in MIUI

Before you go into technical details, check the basic parameters, and often the problem is with the wrong sound source or the resolutions that are turned off.

Open the Settings. → Sound and vibration → Microphone settings. Here you'll see some key options:

• 🎤 The main microphone is the choice between the top (for calls) and bottom (for recording) microphones. 12T, POCO X5 Pro) "Double microphone" mode for improved noise reduction is available.
• 🔇 Noise suppression: Incorporates sound purification algorithms, useful for calling in noisy places, but can impair voice quality in quiet environments.
• 📱 App permissions — you can see which programs have access to the microphone. If the microphone doesn't work in a particular application (like WhatsApp or TikTok), check the permissions for that particular application.

Notice the slider Microphone reinforcement -- zooming in can help in loud rooms, but too high a value will lead to distortion. Optimal positioning: 50-70% most scenarios.

⚠️ Note: If the microphone settings menu does not have advanced options (for example, on Redmi). 9A), So your model doesn't support software processing, and then you'll only need an external microphone or a firmware update.

2. Checking the performance of the microphone

Before you set it up, make sure the microphone is working at all. There are several ways to do this:

1. Recorder: Run the standard Dictaphone app (or Record sound in new versions) MIUI) And you can test it, if it's recording, but it's noise, it's a problem with the settings or the hardware damage to the membrane.
2. Calling an answering machine: Call any number with a voice menu (like a bank) and check how you can be heard, which will help identify the problems with the calls.
3. Test services: Use online services like MicTests to check signal strength and frequency response.

If the microphone does not respond at all, the reasons may be as follows:

• 🔌 Connector pollution – dust or moisture in the microphone hole (especially relevant for the POCO X3 Redmi Note 11 with a leakproof body).
• 🛠️ Damage after falling – microphone module may move away from board.
• 📱 Software failure – for example, after a failed update MIUI or reset.

To diagnose hardware problems, try connecting an external microphone through the USB-C (It's supported models, or Bluetooth headset, and if the external microphone works and the built-in microphone doesn't, it's a good idea to go to the service.

3. Customization of the microphone for calls

Mike problems during calls are the most common complaint of Xiaomi users, often due to incorrect network settings or conflict with VoLTE.

Follow this algorithm:

1. Open the Settings. → SIM-maps and mobile networks → [Yours. SIM] → Type of network.
2. If you 4G (LTE), Turn on the Volte option (VoLTE) This improves voice quality, but on some firmware it may conflict with the microphone.
3. If after turning on VoLTE, the interlocutor stopped hearing you, turn off VoLTE and restart the phone.
4. Check if the voice improvement mode is activated in Settings → Special facilities → Hearing. This function can distort sound.

For models with duals SIM-Cards (Redmi Note 12 Pro)+, POCO F4 GT) Make sure the microphone is tied to the correct one. SIM. Sometimes, after changing the main card, the microphone sticks on the inactive line.

⚠️ Attention: On some firmware MIUI (especially the global versions for POCO) There's a bug that causes the microphone to shut down after it's restarted (EEA) firmware through Fastboot.

4. Optimizing the microphone for recording video and streaming

If you're shooting videos for YouTube, TikTok, or streaming on Twitch, Xiaomi's standard microphone settings may not work. Here's how to improve sound quality:

• 🎥 In the Camera app: Go to Camera Settings → Video settings → Sound source and select External microphone (if connected) or Main noise cancelling microphone.
• 📱 For streams: In OBS Camera or Streamlabs Select Media Sound Source (MIUI) Instead of a standard microphone, it will reduce latency.
• 🔊 For Music Recordings: Disable All Effects in Settings → Sound. → Sound effects, as they distort voice and instruments.

For professional recording, we recommend using external microphones:

• 🎤 Lavalier-microphones (e.g. Boya) BY-M1) — connect via a 3.5 mm connector (if any) or USB-C adapter.
• 📻 Bluetooth headsets with support AAC or aptX (e.g. Xiaomi Buds 4 Pro) – suitable for podcasts.
• 🎙️ USB-microphones (e.g., Fifine) K669B) — demand OTG-Adapters and only work in certain applications (Voice Recorder Pro).

On Xiaomi smartphones with Snapdragon processor 8 Gen 1/2 (for example, Xiaomi 12S Ultra, POCO F4 GT) Qualcomm Aqstic audio processing is available. To activate it, turn on the "High Quality Recording" option in the microphone settings.

Set the microphone amplification on 60-70%|Turn off noise cancellation if you are recording music.|Make sure that no other apps use a microphone.|Use an external microphone for better sound-->

5. Solving microphone issues after update MIUI

Updates MIUI They often break the microphone, especially if you are switching from one version of Android to another (for example, from Android 12 to Android 13:

1. Reset application settings: Settings → Annexes → Application management → ⋮ (menu) → Reset application settings That will bring back all factory permissions, including microphone access.
2. Clear cache and data for sound-related applications: Settings → Annexes → [Recorder/Camera/Telephone] → Warehouse → Clear the cache + Clear the data
3. Reverse to the old version MIUI (If the problem appeared after the update.To do this, download the firmware from Xiaomi Firmware Updater and run through Fastboot.

If the microphone stops working after the upgrade MIUI 14 or HyperOS, try it out:

• 🔄 Enable Developer Mode and disable the option to Disable Microphone Permissions in the background.
• 📱 Install the Magisk patch (requires root) – module MIUI Microphone Fix solves the problem on many devices.
• 🔧 Reset network settings – sometimes conflict arises due to incorrect APN-operator settings.

⚠️ Note: On some models (Redmi Note 11 Pro)+ 5G, Xiaomi 11T) After upgrading to Android 13, the microphone can turn off when you connect Bluetooth devices.

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If after the update the sound in the calls disappeared, but the microphone works in the records, try resetting the network settings (Settings) → SIM-map → Network resetting. This often helps in conflicts with VoLTE.

6. Hidden microphone settings in developer mode

For advanced users, Xiaomi has hidden settings that can be changed through the developer mode.

1. Go to Settings. → The phone.
2. Click on the MIUI version 7 times (you will be notified that you are a developer).
3. Back to Settings → Additionally. → For developers.

Now find these options:

• 🔊 Disable the absolute volume of Bluetooth – will solve problems with the microphone in the headset.
• 🎤 Turning off sound processing is useful if algorithms MIUI smear.
• 📶 Improve VoLTE quality – activates additional codecs for calls.
• 🔄 Resetting the microphone settings - will return all parameters to the factory.

On some devices (POCO F3, Xiaomi Mi 10T) The developer menu has the option Microphone Amplification (dB:

• 0 dB is the standard level (for quiet rooms).
• +6 dB - amplification for noisy places.
• +12 dB - maximum amplification (noise may appear).

Be careful with these settings – incorrect values can lead to microphone overload and distortion of sound.

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If you're not sure about the developer mode settings, you better not change them. Wrong settings can degrade the sound quality or even make the microphone down.

Hardware problems and repairs

If the software methods didn't help, there might be a problem with the hardware. Here are the typical hardware malfunctions of the microphones at Xiaomi:

• 🔌 Contact oxidation is especially important after moisture is injected, manifested as intermittent microphone operation.
• 🎤 Membrane damage – the microphone records sound with a strong noise or is silent at all.
• 📱 The mic module dump, after a fall or impact, is diagnosed by no sound at all.
• 🔋 Trail problems – on some models (Redmi Note 8 Pro) the microphone is connected through a flexible plume, which wears out over time.

The cost of microphone repair in service centers:

If you are trying to replace the microphone yourself, consider:

• 🛠️ For Redmi and POCO Suitable universal microphones with connector JST 1.25mm.
• 🔧 For flagships (Xiaomi 13, Mi 11) need original modules – analogues may not fit.
• ⚠️ When disassembling, turn off the battery to avoid short circuits.

⚠️ Attention: On models with IP53 (for example, POCO X5 Pro, Redmi Note 12 Pro+) The microphone module has an additional waterproofing gasket, and if you replace it yourself, you need to carefully reglaze it, otherwise the phone will lose waterproofing.

8.Alternative solutions: external microphones and programs

If the built-in microphone is not satisfied with the quality or broke, consider alternatives:

External microphones

• 🎤 Boya BY-M1 — Budget lavalier microphone with a 3.5 mm connector suitable for interviews and streams.
• 🎙️ Rode VideoMicro – a compact microphone for video, attached to the body of the smartphone.
• 📻 Shure MV7 — USB-microphone for professional podcasts (requires) OTG-adapter).

Sound processing software

• 📱 Voice Recorder Pro – allows you to configure equalizer and noise cancellation in real time.
• 🎛️ Dolby On – Improves voice recordings with Dolby algorithms.
• 🎧 Krisp – Removes background noise in real time (works in Zoom, Discord).

To connect external microphones:

• 🔌 3.5mm connector: Suitable for most lavalier microphones, but sound quality is average.
• 🔗 USB-C: Demands. OTG-Adapter: Supports high-quality microphones (e.g. Audio-Technica) ATR2100x).
• 📶 Bluetooth: Suitable for headsets, but there is a delay in sound (~100-200 ms).

On models with Qualcomm Snapdragon 8xx (Xiaomi 13, POCO F5 Pro) external microphones through USB-C They work without additional drivers. On devices with MediaTek (Redmi Note 12, POCO M5) You may need to manually adjust the settings → Additionally. → USB.

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For professional recording, it is better to use an external microphone through the USB-C. The sound quality will be much higher than the built-in, especially on budget models Xiaomi.

FAQ: Frequent questions about microphones in Xiaomi