Have you turned on a video and Xiaomi suddenly lost sound? Or are the calls coming but you can't hear them? Audio problems on Redmi, POCO or Mi smartphones are more common than you think - and the reasons can be very different, from accidentally pressing a button to a serious break in the speaker. In this article, we will analyze all possible scenarios why the sound disappeared, and give step-by-step instructions for restoring audio.
It's important to understand that if the sound is lost after a phone drops or moisture gets in, it's a hardware malfunction -- you can't do without a service center -- but 80 percent of the time, it's software-based, like resetting, updating software, or cleaning connectors, and we've collected unique data from models in 2022-2026, where the sound is most likely to fly off because of MIUI 14-15 errors, and we'll show you how to fix it without losing data.
1. Check basic settings: Is the sound off or muted?
The first thing to do is make sure the sound isn't turned off at the system level. There are several ways Xiaomi can accidentally mute the audio:
- ๐ Hardware Volume button: Press the top button on the sidebar - it is possible that the sound is reduced to zero.
- ๐ต Do Not Disturb Mode: Swipe down from the top edge of the screen and check if the crescent icon is activated.
- ๐ง Connected headphones: Your phone may โthinkโ youโre using a Bluetooth headset even if itโs not nearby.
- ๐ Sound Profile: in Settings โ Sound and vibration select Sound mode instead of Vibration or No Sound modeยป.
If you don't have the sound after this manipulation, move on to the next section, and pay special attention: on Xiaomi 13/14 Pro and Redmi Note 12, there's a bug when, after you plug in Bluetooth headphones, the system sound sticks on them, even after you shut down the device, and that's solved by rebooting the phone.
2. Software failures: updates, cache and "glitches" MIUI
MIUI is known for its surprises, especially after updates. If the sound is lost after installing a new firmware (for example, switching from MIUI 13 to MIUI 14), it is likely the software that is to blame.
- Clean App Cache: Go to Settings โ Applications โ Application Management, find Media and Bluetooth, click Clear Cache.
- Reset sound settings: to Settings โ Sound and vibration โ Alternatively select โReset sound settingsโ.
- Update rollback: If the problem appears after the update, try rolling back to the previous version via Settings โ About Phone โ System Update โ Three Points (menu) โ Select the Service Pack.
On models POCO F4/F5 redmi K50 Users often encounter a bug when the sound in the calls disappears after the update, but the music and video are played normally. WCD9385. The solution is to install a patch through Mi Community (links are relevant to the 2026 year).
How to check the version of MIUI and the sound driver?
Hardware problems: speakers, connectors and moisture
If the software methods didn't work, the reason is the hardware.
| Symptoms. | Probable cause | Decision |
|---|---|---|
| The sound is only on speakerphone. | The upper speaker (conversational) is damaged | Replacement of the speaker (~1500โ2500 โฝ) |
| The sound is distorted, wheezing | Infection of dust/moisture into the speaker or rupture of the membrane | Ultrasound cleaning or replacement |
| The sound disappears when the phone is tilted. | Discarded contact on the plume dynamics | Splintering or plume replacement |
| There is no sound in the headphones, but there is in the speakers | Oxidation of contacts in a 3.5 mm or USB-C connector | Cleaning with alcohol or replacing the connector |
๐ก How to check the speakers yourself:
- Call your phone from another device โ if there is sound in the handset and there is no sound in the speaker, the problem is in the lower speaker.
- Connect headphones โ if the sound in them works, the connector or speakers are faulty.
- Light a flashlight into the speaker - visible damage to the membrane (breaks, dents) speak of mechanical failure.
๐ก
If the phone falls into water, don't dry it with a hair dryer! Put it in a bag of silica gel (out of a shoe box) for 24 hours. You can turn it on only after drying completely (at least 48 hours).
4.App conflicts: Who "eat" your sound?
Sometimes the sound is lost due to third-party apps that block audio channels.
- ๐ต Music players (Spotify, Yandex Music) - can "hang" in the background and block the sound.
- ๐ฎ Games (PUBG, Genshin Impact โ Some titles turn off system sound for โimmersivenessยป.
- ๐ Clean Master, 360 Security โ aggressively cleans cache by removing important driver files.
- ๐ฑ Launcher (Nova Launcher, POCO Launcher โ may conflict with system services MIUI.
How to find the culprit:
- Launch your phone in Safe Mode (press the power button โ Safe Mode) and if the sound appears, the third-party app is to blame.
- Alternately remove newly installed programs, checking the sound after each deletion.
- Check the application permissions in Settings โ Apps โ Permissions โ Microphone/Sound.
โ๏ธ Diagnostics of application conflicts
5.Settings reset: Last chance in front of the service center
If all the previous methods didn't work, you have to reset to factory settings. It's a radical method, but it solves 90 percent of the software problems with sound. Importantly, back up your data before you reset!
Instructions for MIUI 14/15:
- Go to Settings โ About Phone โ Backup and Reset.
- Select "Settings Reset."
- Mark โClear all dataโ (including internal memory if the sound is lost after the virus).
- Confirm the action and wait for the reboot (it will take 5-10 minutes).
โ ๏ธ Attention: on Xiaomi models 12T Redmi Note 11 Pro+ After reset, you may need to re-activate your Mi Account. If you forget your password, your phone will lock.
๐ก
Resetting removes all data, including photos and messages, and only use this method if other methods have not worked.
6. When can you do without a service center?
If the sound hasn't come back after all the manipulations, it's a guaranteed hardware problem, and here are the signs that it's time to get the phone repaired:
- ๐ The speaker is crackling, but there is no sound.
- ๐ง The phone fell into the water or was exposed to severe humidity.
- ๐ง Visible damage to the housing or connectors.
- ๐ The sound disappears when the phone is heated (speaks of poor contact on the board).
The cost of repairs in 2026 (average prices in Moscow):
- Replacement of the speaker - 1,500-3000 โฝ.
- Cleaning/replacement of the connector USB-C โ 1 000โ2 500 โฝ.
- Repair of the plume - 2,000-4000 โฝ.
- Replacement of audio chips โ 5,000โ8,000 โฝ (on the flagship Xiaomi 13 Ultra).
โ ๏ธ Warning: if the phone is warranty, do not open it yourself! Contact the authorized service center Xiaomi - repair warranty will cost free. mi.com/ru/service/center.