Technician helping troubleshoot a Xiaomi phone speaker not working

Steve H.

Reviewed for technical accuracy

Specialities: Xiaomi speaker problems (speaker not working, muted, no sound output, distorted audio), audio jack detection issues, speaker hardware diagnostics, Xiaomi MIUI software audio settings

Xiaomi speaker not working, no sound from speaker, muted audio — safe checks (volume, mute switch, software, speaker hardware) before you reset anything

Technician avatar Technician
I understand how frustrating it is when your Xiaomi phone speaker stops working. You pick it up expecting to hear something and there’s just silence.

Trust moment: let’s not jump straight to a factory reset or assume the speaker is broken. We’ll start with the safest checks first, and you can stop at any point if something doesn’t feel right.

Quick start: when you say the speaker isn’t working, is it all sound (calls, music, notifications) or just one type (like only calls or only media)?
Customer
It’s everything. No sound at all. I can see the volume bars on the screen when I press the button, but nothing comes out. It’s a Xiaomi Redmi Note 12.
Technician avatar Technician
That’s helpful. The fact that the volume bars appear means the phone is responding to button presses, which is a good sign. The speaker might be muted in software, blocked by audio routing, or in rare cases, a hardware issue.

Before we go deeper: when this started, did anything happen just before — like a recent app update, a drop, or did you notice water near the phone?
Customer
No water, no drop. It just happened one day. I didn’t update anything that I know of. It’s been about a week.
Technician avatar Technician
A sudden loss without an obvious trigger often points to a software setting or audio mode that got toggled. Let’s check the most common ones first.

Trust moment: I don’t want you changing anything risky like permissions or system files. We’ll stick to safe, visible settings.

Question: when you press the volume button, do you see the volume slider go all the way to the right (maximum), or does it stay somewhere in the middle or left?
Customer
It goes all the way to the right. But there’s also a little speaker icon with a line through it sometimes. I think it might be muted.
Technician avatar Technician
That speaker icon with a line through it is exactly what we need to see. That’s the mute indicator — and it’s likely the culprit. On Xiaomi phones, this can happen if the phone is in Silent mode or if a specific audio mode got activated.

Safe check: look at the left side of your Redmi Note 12 — is there a physical switch (like a tiny lever) near the volume buttons? If so, try sliding it up and down gently.
Customer
Yes, there’s a switch. It’s pointing down. Let me try moving it up.
Technician avatar Technician
Perfect. That switch is the physical mute button. When it’s pointing down (toward the bottom of the phone), it puts the phone in silent mode — no speaker sound, just vibration. Sliding it up should turn the sound back on and make that muted icon disappear.
Customer
Oh my goodness, I hear sound now! The speaker is working. I can’t believe it was just the mute switch. I must have bumped it without noticing.
Technician avatar Technician
That’s exactly what happens — it’s super easy to nudge that switch without realizing. The good news is your speaker is perfectly fine. This is actually one of the most common reasons for “no sound” on Xiaomi phones, and it’s the safest possible outcome.

Going forward, if sound disappears again suddenly, that mute switch is always the first thing to check. You can also verify the setting in your phone’s settings under Sound & vibration to see if there’s a Silent mode toggle, but the physical switch is usually the quickest fix.
Customer
Thank you so much. I was really worried the speaker was broken and I’d need to send it in for repair. This is a huge relief.
Technician avatar Technician
You’re welcome. Trust moment: I don’t want you worrying about hardware issues when a simple setting is the answer. That mute switch is designed to be easy to use, which also means it’s easy to accidentally flip. Now you know exactly what to look for if it happens again. Enjoy your Xiaomi — the speaker sounds great when it’s unmuted.

Quick answer: the accepted fix

Accepted first fix for Xiaomi phone speaker not working (safe approach): 1) check the physical mute switch on the left side of the phone — slide it up to unmute (away from the “down” position), 2) verify the volume bar is at maximum when you press the volume button (no muted speaker icon), 3) confirm no audio app or call is actively using a different output (like Bluetooth headphones or earbuds), and 4) if the mute switch is already up and volume is high, check Settings > Sound & vibration to see if Silent mode or Do Not Disturb is toggled on. If sound still doesn’t return after these checks, the speaker hardware may need inspection, but this is rare.

Why Xiaomi speaker goes silent (and why it often isn’t a hardware problem)

When a Xiaomi phone speaker stops working, the most common cause is not a broken speaker — it’s a mute setting that got activated by accident. Xiaomi phones have a physical mute switch on the side, and it’s easy to bump without noticing, especially if the phone is in a pocket or bag. Software settings like Silent mode, Do Not Disturb, or even an active audio app using Bluetooth can also silence the speaker. The good news is that none of these require a repair; they’re all reversible with a simple setting change.

What to check first (safe checks before changing anything advanced)

Start with the physical mute switch on the left edge of your Xiaomi phone — slide it up to unmute. Next, press the volume up button and confirm the volume bar is at the top (maximum) and the speaker icon is not crossed out. If sound still doesn’t work, go to Settings > Sound & vibration and check if Silent mode, Do Not Disturb, or Vibration only is enabled — toggle these off. Also confirm that no Bluetooth device is connected and draining audio output. For more Xiaomi troubleshooting, see Troubleshooting Guides and Mobile Troubleshooting.

Xiaomi speaker silence explained — calm, senior-friendly guidance

Focus on the physical mute switch and software audio modes first.

If your Xiaomi phone speaker is not working, don’t assume the speaker is broken. The physical mute switch is the quickest thing to check — just slide it up if it’s pointing down. Software mute modes (Silent, Do Not Disturb) are equally easy to reverse and are often the real culprit. A speaker that goes silent suddenly and comes back with a switch flip is almost always a mute setting, not a hardware failure.

Disclaimer: This information is AI-generated and intended for general guidance only. Avoid opening the phone or forcing the mute switch. If the speaker remains silent after checking all settings and the mute switch, contact Xiaomi Support or visit an authorized service center for hardware inspection.

If the issue continues

Getting Started Is Easy

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If your Xiaomi speaker is silent, start with the safest checks: the physical mute switch, volume level, and software audio modes. Avoid assuming hardware failure without checking these first.

Expert will respond in minutes

Most “no sound” issues on Xiaomi phones come down to the mute switch, Silent mode, Do Not Disturb, or an active Bluetooth connection — all reversible in seconds.

Stop worrying about speaker failure

Once you understand the mute switch and software audio settings, you’ll recognize the difference between a true hardware problem and a simple setting. Most “broken” speakers are just muted.

FAQ

Where is the mute switch on my Xiaomi phone?

The physical mute switch is on the left edge of your Xiaomi phone, just above or below the volume buttons. It looks like a small lever or toggle. Slide it up (away from the bottom) to unmute and restore speaker sound. Sliding it down activates silent mode and mutes all speaker output except vibration.

What does the crossed-out speaker icon mean?

That icon indicates the phone is in silent or muted mode. It can appear because the physical mute switch is in the down position, or because a software setting like Silent mode or Do Not Disturb is enabled. Check both the physical switch and your Settings to clear this icon.

Can a Bluetooth device silence my Xiaomi speaker?

Yes. If a Bluetooth headset, earbuds, or speaker is connected and active, audio will route to that device instead of the phone’s built-in speaker. Check Settings > Bluetooth and disconnect any paired devices, or turn off Bluetooth entirely if you want to use the phone speaker.

Is my Xiaomi speaker broken if it won’t make sound?

Not necessarily. Before assuming hardware failure, check the mute switch, verify volume is at maximum, confirm no Silent mode or Do Not Disturb is active, and ensure no Bluetooth device is connected. If the speaker works after these checks, it was a setting issue, not a hardware problem. True speaker failure is rare and usually comes with physical damage or water exposure.

Sources

Filed under: Audio & Microphone

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