How to Clean the Speaker on Xiaomi Through Settings: The Complete Guide

Why is the speaker on Xiaomi starting to wheez or quieter?

Noticing that your Xiaomi sound has become muted, wheezing or disappearing in one of the speakers? Not always because of a physical breakdown. In 70% of cases, the problem is solved software-based, through hidden system settings or standard cleaning tools; dust, accumulated speaker grille, software conflicts after updates or downed audio profiles can simulate hardware malfunctions.

Before you take your phone to the service center, try 5 proven ways to bring back clean sound without disassembling the device. They work on all Xiaomi, Redmi and POCO models – from the budget Redmi Note 10 to the flagship Xiaomi 14 Ultra.

In this article you will find:

• 🔍 Diagnosis – how to determine if the speaker is contaminated or broken
• 🧹 Software Cleaning – Hidden Functions MIUI dust-removal
• 🔧 Resetting sound settings - returning factory parameters
• ⚠️ What not to do: Common user errors

Step 1: Diagnostics a problem – how to tell if the speaker is contaminated, not broken

Before you start cleaning, make sure that the problem is the pollution. Here are 3 key signs that the speaker is clogged with dust, not out of order:

• 🎵 Muffled sound at maximum volume – as if the speaker is closed with fabric.
• 🔊 Wheezing or crackling when playing low frequencies (for example, in bass music).
• 📱 Difference in sound between upper and lower speakers (on models with stereo sound).

If the sound is completely lost, there are distortions during the conversation or the phone does not emit any signals, this may indicate a hardware failure (detached plume, damaged membrane), in which case software methods will not help.

⚠️ Warning: Don't confuse pollution with mic muting. If the person is not listening well, the problem is with the microphone, not the speaker.

Step 2: Clean the speaker through the engineering menu (hidden MIUI function)

MIUI has a hidden engineering menu that allows you to test and clean speakers without disassembly, a method that works on most Xiaomi models, but requires caution – wrong actions can bring down settings.

To open the menu:

1. Open the Phone app.
2. Enter the combination: ##36446337## (code may differ for some regions).
3. Select Hardware Testing → Audio → LoudSpeaker.
4. Press Speaker Cleaning (if available).

If there is no cleaning option, try an alternative method:

• 🔊 Turn on the maximum volume and play back a 50Hz sound (you can find it on YouTube.
• 📱 Carefully tap on the back of the phone next to the speaker (don't apply force!).

Close all applications that produce sound|Make sure the battery is charged >30%|Check that the speaker is not wet|Use the official firmware MIUI-->

⚠️ Note: Do not use the engineering menu on custom firmware (such as LineageOS or Pixel Experience) that can cause system failure.

Step 3: Resetting the sound settings to the factory

Sometimes the cause of bad sound is downed uniformity settings (equalizer) or conflicts after updating MIUI. You can return everything to factory parameters in two ways:

Method 1: Through sound settings

1. Go to Settings. → Sound and vibration.
2. Choose Sound Quality (or Equalizer on some models).
3. Click Reset settings (usually in the upper right corner).

Method 2: Completely reset media settings

If the first method did not help, reset through the recovery mode:

1. Turn off the phone.


2. Press the Power + Volume buttons up until the Mi logo appears.




3. From the recovery menu, select Wipe & Reset → Wipe Media Settings.




4. Confirm the action and restart the device.

After reset, check the sound -- if the problem was in the software settings, the speakers will work clean. If the wheezing is still there, move on to the next step.

Step 4: Clean the speaker with sound frequencies (no disassembly)

One of the safest ways to remove dust from a speaker is to use low-frequency sounds, which create a vibration that pushes dirt particles through the lattice. Here's how to do this:

1. Download a frequency generation app from Google Play (such as Frequency Sound Generator).
2. Set the frequency in the range of 30–80 Hz (optimum for most Xiaomi speakers).
3. Bring the phone down to the table with the speaker (so that dust falls out under the action of vibration).
4. Turn the sound on at maximum volume for 10-15 seconds.
5. Repeat the procedure 2-3 times, changing the frequency.

Important: Do not use frequencies above 100Hz – they are ineffective for cleaning and can damage the speaker with prolonged exposure.

After the procedure, check the sound. If the wheezing has decreased but not completely disappeared, repeat the cleaning after 1-2 hours. To enhance the effect, you can combine this method with compressed air purging (more about this in the next section).

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If you don't have a frequency generator, use online services like Tone Generator, turn on the sound through your browser and hold your phone with your speaker to a hard surface.

Step 5: Mechanical cleaning without disassembly (what can and can not)

If the software methods don't work, you'll have to do mechanical cleaning, but it's important not to overdo it, because careless action can damage the speaker.

✅ What can I do:

• 💨 Purging with compressed air (a canister for cleaning equipment). Keep the balloon at a distance of 5-10 cm from the speaker, with short presses (no more than 2 seconds).
• 🧴 Clean with a soft brush (for example, for makeup) Carefully swipe the speaker on the grille without pressing.
• 📎 Use sticky tape. Stick a piece of tape to the bar and rip it off abruptly, and it will remove the surface dust.

❌ What can't be done:

• 🚫 Vacuum cleaner – can damage the membrane due to too strong suction.
• 🚫 Cotton swabs - fibers can get stuck in the grid.
• 🚫 Liquids (alcohol, water) - ingress of moisture inside the speaker will lead to corrosion.

If the sound has not recovered after mechanical cleaning, the problem is probably a hardware breakdown, in which case it is better to contact the Xiaomi service center - self-repair without experience can aggravate the situation.

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Mechanical cleaning of the speaker can be carried out no more than 1 time in 3 months. Frequent exposure (especially compressed air) can loosen the membrane and shorten the life of the speaker.

Step 6: Prevention – How to Prevent Contamination of the Speakers

To keep your Xiaomi speakers clean for longer, follow these rules:

• 📵 Avoid storing your phone in dusty places (such as in a sandbag or on an open windowsill).
• 🎧 Use headphones in dusty conditions (construction, repair).
• 🧴 Regularly wipe the speaker grille with a dry soft cloth (microfibra).
• 🔋 Keep an eye out for humidity – don’t leave your phone in the bathroom while swimming.

It is also helpful to run a sound test once a month through the engineering menu (see Step 2) to help you notice the deterioration in quality and take action.

If you often listen to music at maximum volume, install a speaker state monitoring app (such as Speaker Clean) that will alert you to potential problems.

FAQ: Frequent questions about cleaning speakers on Xiaomi