How to turn on stereo on Xiaomi phone: a complete guide to checking speakers

Did you buy a new Xiaomi and notice that audio in games or video is played through only one speaker? Or did the MIUI update lose its stereo? This problem even occurs on flagships like the Xiaomi 13 Ultra or POCO F5, not to mention budget models. The reasons can vary from switched off settings to hardware limitations.

In this article, we’ll look at all the ways you can turn on stereo on Xiaomi, Redmi and POCO smartphones, from basic checks to hidden engineering menu features, how to determine if your model supports real stereo, and what to do if the sound is still mono, and at the end, answers to frequent questions and a compatibility table of popular devices.

Verification of hardware support for stereo sound

Before you try to turn on stereo, you need to make sure that your Xiaomi is physically capable of playing it. Not all models are equipped with two full-fledged speakers - often the second one works only as a conversational (for calls) and does not participate in media playback.

Here's how to check:

• 🔍 Look for specifications on Xiaomi's official website or in store specifications, and look for phrases like "stereo speakers," "Dual speakers" or "Hi-Res Audio".
• 📱 Visual inspection: The body should have two symmetrical speaker holes (usually on the bottom and top edges).+, For example, the lower speaker is responsible for low frequencies, the upper speaker is responsible for high frequencies.
• 🎵 Sound test: run a video on YouTube with a stereo balance test (like this one) if it's only left/right, the stereo doesn't work.

💡

On some models (such as the Xiaomi 12T), the second speaker is only activated in the horizontal position of the phone.

If your model doesn't support stereo hardware (like the Redmi 10A or the POCO M4 Pro), further adjustments won't help. But if you have speakers and mono sound, read on.

Method 1: Sound settings in MIUI

Most often, stereo is disabled due to a configuration failure or MIUI update. In newer firmware versions (for example, MIUI 14 or HyperOS), the path to settings may differ, but the logic is the same.

Follow the instructions:

1. Open the Settings. → Sound and vibration.
2. Scroll down to the Sound Quality or Additional Settings section (name depends on the MIUI version).
3. Find the Stereodynamics (or Dual Speaker) item and turn on the switch.
4. If there is no such item, tap on the Settings of sound effects → Balance stereo and check if the sliders are knocked down.

Is the "For Media" mode enabled in the sound settings |

Balance slider is in the middle |

Dolby, Equalizer (Sound Effects) are disabled)|

Is the firmware updated to the latest version?-->

On some devices (such as the Xiaomi Pad 5), stereo is automatically turned on when connected to Mi TV or external speakers. If the option is gray and inactive, then your model does not support the function software.

Method 2: Engineering menu (for advanced)

If standard settings don’t work, you can try activating stereo through an engineering menu (MTK Engineering Mode or Qualcomm Service Menu), which is suitable for devices running MediaTek (e.g. Redmi Note 11) or Snapdragon (e.g. POCO X5 Pro).

Attention! The wrong actions on the engineering menu can cause a sound failure or a phone reboot. Do everything at your own risk.

Instructions for MediaTek:

1. Open the Phone app and enter:
   #36446337## (or #4636###)


2. Go to the "Hardware Testing" section → "Audio".




3. Select "LoudSpeaker Mode" and check both speakers separately.




4. If one of them does not work, try resetting the settings via "Restore Default".

For Snapdragon:

1. Enter on the phone:
   ##86583##


2. From the Audio Test menu, select Speaker Test.




3. Listen to both speakers. If one is silent, it's a hardware problem.

Method 3: Resetting the sound settings

If stereo sound has been working before, but Suddenly has stopped, the fault may be a failure in the audio configuration, in which case resetting the audio settings without losing data will help.

How to do this:

• 📲 Go to Settings. → Annexes → Application management.
• 🔍 Find in the list of audio settings (or Audio Settings) and tap it.
• 🗑️ Select Warehouse. → Clear the data and confirm.
• 🔄 Reboot the phone.

After resetting, all custom audio settings (equalizer, Dolby effects) will return to factory.

Yes, two speakers are working |

Yeah, but the second speaker is weak.|

No, just mono|.

I don't know how to check.-->

Problems and Solutions: Why Stereo Doesn't Work

Even if you set it up correctly, stereo may not be activated due to software or hardware problems, and here are the most common reasons and ways to fix them:

If none of these things work, check your phone for physical damage, for example, if you fall, the speaker plume will break off, and you'll need repairs at the service center.

💡

On devices with IR-port (for example, Xiaomi) 11T Pro) the second speaker sometimes conflicts with the infrared module. Try to disable the remote control in the settings if the stereo is not working.

Software tricks for imitating stereo

If your Xiaomi doesn't support stereo sound hardware, you can try to create a surround sound effect software. It's not real stereo, but the sound will get wider.

Ways:

• 🎛️ Equator: In Settings → Sound. → Choose the equalizer Preset "Concert Hall" or "3D-audio. That'll add reverb.
• 🔊 Enhancement applications: ViPER4Android or Wavelet (require root) allows you to configure a virtual environment: XDA Developers.
• 🎧 Bluetooth speakers: Connect two speakers via Bluetooth 5.2+ (For example, Xiaomi Mi Portable Speaker and activate the “Double Audio” mode in the settings. MIUI.

For POCO F3 and other Dolby Atmos devices, turn on the Movie mode in the sound settings – this will add a virtual surround effect even through one speaker.

Comparison of Xiaomi models for support of stereo sound

To make it easier for you to navigate, we've put together a table of popular models and their audio capabilities, and the data is up to date for 2026 and may vary depending on the regional firmware.

If your model is not in the table, check out the specs on Mi.com or YouTube reviews (look for oscilloscope sound tests).

FAQ: Frequent questions about stereo sound on Xiaomi