How to increase the volume of a call on Xiaomi Redmi: from standard settings to hidden chips

Why Xiaomi Redmi Call Is Quieter and How to Fix It

Are you missing important calls because the Xiaomi Redmi smartphone is ringing too quiet?The problem is familiar to many owners of this brand's devices - even at maximum volume, the melody can barely be heard in noisy environments.The reasons range from banal (accidentally knocked settings) to technical (contamination speaker or software limitations of MIUI).

In this article, we will look at all possible ways to increase the volume of a call, from standard settings in the audio menu to hidden engineering settings and hardware checks. Particular attention will be paid to the Redmi Note 10/11/12, Redmi 9/10 and the flagships of the K series, where the problem occurs most often, you will also learn how to diagnose a speaker malfunction and when to contact the service center.

Before you start settings, make sure that the problem is not related to physical damage: check if the speaker is covered with a case, if moisture is not in the connectors, and try to listen to the call in the headphones. If the sound in the headphones is normal, it is precisely the speaker or firmware.

Method 1: Standard volume control in MIUI settings

So, to start with the obvious, checking the basics of sound, MIUI has separate sliders for call volume, notifications and media, and they're easy to confuse.

1. Open the Settings app (the gear icon on the desktop).
2. Go to the section Sound and vibration.
3. Slap it on Volume.
4. At the top of the screen you will see three sliders: 🔔 Calling – regulates the volume of incoming calls. 📱 Media – for music, video and games (does not affect calls!). ⚠️ Notifications - sounds SMS, push messages, etc.

Call.

If the volume is still low, try changing the ringtone, as some system ringtone (MIUI Ring, Mi Tone) sounds quieter than others.

1. Get back to the sound and vibration.
2. Choose the ringing melody.
3. Scroll down the list and select a tune marked Loud or Alarm (e.g. Alarm 1, Buzzer).

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If there are no loud tunes on the list, download a third-party ringtone (like Google Play’s Zedge) and set it manually through the Local Melodies menu.

Method 2: Disable Do Not Disturb and Other Restrictions

Often users forget that they have activated Do Not Disturb (DND) or have enabled audio restriction for individual contacts.

1. Open Settings → Sound and vibration → Do not disturb.
2. Make sure the switch is in the off position.
3. If the mode is on, check the exception rules: 📞 Calls – must be allowed for All Contacts or Favorites. ⏰ Repeated calls – if activated, a second call from one number in 3 minutes will be silent.

MIUI also has a Quiet Mode feature that automatically turns the volume down at a certain time to turn it off:

1. Go to Settings → Battery and Performance → Modes.
2. Select Quiet Mode and deactivate it.

Method 3: Engineering menu to increase volume (for experienced)

If standard settings don't work, you can try to turn up the volume through the Engineering Mode, a method that requires caution - incorrect changes can lead to a sound failure.

Instructions for Xiaomi Redmi:

1. Open the Phone app.
2. Enter the combination: ##36446337## (or #4636## for older versions of MIUI).
3. Choose Hardware Testing → Audio.
4. In the Type section, specify Ring (calling).
5. In the Value field, increase the value to 150 or 160 (maximum 255, but this can cause distortion).
6. Press Set and restart your smartphone.

⚠️ Warning: Do not set the value above 160 - this can damage the speaker! After the changes, check the sound at different volumes to make sure there are no wheezing.

Method 4: Cleaning the speaker and checking for physical damage

If software methods fail, the problem may be contaminated speakers or damage to contacts, and dust, pile from your pocket or moisture often block the sound holes, causing the volume to drop.

How to clean the speaker:

• 🧹 Use a soft toothbrush (dry!) or compressed air (a canister for cleaning equipment).
• 💧 If you get a liquid, don't dry with a hair dryer! Put your phone in rice or silica gel for 12 to 24 hours.
• 🔊 Check the sound after cleaning by bringing the phone to your ear - if the wheezing is left, the speaker could have deformed.

Also check the headphone jack (if you have one in your model): sometimes the smartphone mistakenly "thinks" that the headphones are connected, and turns off the main speaker.

1. Connect and turn off the headphones several times.
2. Use a toothpick to clean the contacts in the connector gently (turn off the phone first!).

⚠️ Warning: If the sound is completely gone after cleaning or if there is a crack, this is a sign of damage to the speaker membrane, in this case only a replacement at the service center (cost for Redmi - 800 to 2000) will help. ₽ model-wise).

Method 5: Resetting the sound settings to the factory

If all previous methods failed, the problem may lie in the system settings failure, and MIUI has a function to reset audio parameters without losing data:

1. Open Settings → System and device → More
2. Select Settings Reset.
3. Slip on Reset sound settings (not to be confused with a full reset!).
4. Confirm the action and restart the phone.

After discharge:

• 🔄 All volume sliders will return to default values.
• 🎵 The ringing melody will be dropped on the standard (MIUI Ring).
• 📵 Do not disturb and volume graphs will be deactivated.

Make sure the call slider is at maximum|Check the ringtone (select the loudest one)|Turn off the "Do Not Disturb" mode"|Test the call in a quiet and noisy room-->

Method 6: Install third-party applications to amplify sound

If hardware and system methods have failed, you can use third-party utilities, which work on the principle of a software amplifier, but be careful - some applications can overload the speaker.

Top.-3 Proven applications for Xiaomi Redmi:

How to use the Volume Booster:

1. Download the app from Google Play.
2. Launch and give access to the sound settings.
3. Move the Ring Volume slider 100-120% (not higher!).
4. Activate the Safe Mode option to avoid distortion.

⚠️ Note: Amplifiers can burn the speaker if used at maximum length, and we recommend that the amp is only turned on when needed (for example, in a noisy place) and not leave it active all the time.

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Third-party amplifiers are a temporary solution, and if the speaker is physically damaged, no software will return the loudness to its previous volume.

Method 7: Update the firmware or roll back to the stable version of MIUI

Sometimes the silent call problem occurs after the MIUI update. Xiaomi developers can make changes to the sound driver that result in a volume drop.

1. Update the firmware to the latest version: 📱 Go to Settings. → The phone. → Updating the system. 🔄 Click Check Updates and install available patches.
2. Reverse to stable firmware (if the problem appeared after the update): 🔧 Download the stable version MIUI For your model from the official Xiaomi website. 📁 Transfer the firmware file (.zip) to the root folder of the phone. 🔄 Go to Settings. → The phone. → Updating the system → Three dots (menu) → Select a firmware file.

If you are not sure of your abilities, it is better to contact the service center for flashing. Incorrect rollback can lead to a blink (complete inoperability) of the device.

Frequent questions about the volume of the call on Xiaomi Redmi