Redmi AirDots 2: Complete Instructions for Setup and Connection to Xiaomi

Xiaomi’s Redmi AirDots 2 wireless headphones remain among the most popular budget headphones TWS-The main advantages of the models are stable connection, low price and compatibility with the Mi Home ecosystem, but many users face problems when connecting for the first time or do not know how to unleash the full potential of the device.

In this article you will find a step-by-step instruction for setting up AirDots. 2 smartphone Xiaomi/Redmi/POCO, And we're going to take a look at not only basic Bluetooth connectivity, but also branded app, firmware updates, factory resets, and fine-tuning gestures. Particular attention will be paid to the nuances that the manufacturer does not specify in the official documentation.

If you’ve just unpacked your headphones or want to reconnect them to a new device, start with the “First Phone Connection” section, and the sections on firmware updates and audio profile settings will be helpful for experienced users.

What is included in the package and how to check the originality

Before setting up, make sure you have the full Redmi AirDots 2 kit. The original box must have:

• 🎧 Two wireless headphones (right and left with markings) R/L)
• 🔋 Charging case with charge indicator (4 LEDs)
• 🔌 Cable USB Type-C for case charging
• 📄 Short instructions in several languages (including Russian)

Note the marking on the case: the original headphones are engraved with MDZ-28-DB (a model for the global market) or TWSEJ08LS (a Chinese version), and counterfeits often come out with no magnets in the case lid, tight buttons, or uneven lighting of indicators.

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To check the originality by serial number, download the Mi Home app and try adding the device through Add Device → Other → Redmi AirDots 2. Counterfeiting will not be determined by the system.

Also check the firmware version (more on this in the Firmware Update section) for the original headphones, it starts with a V4. or higher, if your V1.xx version is 100% fake.

First phone connection Xiaomi/Redmi

The process of connecting AirDots 2 to the Xiaomi smartphone takes no more than a minute, but there are several nuances that will speed up the process:

1. Remove the headphones from the case. They will automatically turn on and go into pairing mode (the indicators will start flashing red and white alternately).
2. Activate Bluetooth on your phone: Go to Settings → Bluetooth and turn on device search.
3. Choose Redmi AirDots 2_R (Right earphone on the list of devices found. Left will connect automatically.
4. Confirm pairing if you request access to contacts or microphone (not necessarily for music).

If the headphones are not determined, try:

• 🔄 Reboot Bluetooth on your phone (disable/enable in the notification curtain).
• 🔋 Put the headphones back in the case for 10 seconds, then re-extract.
• 📱 Remove them from the list of associated devices (Settings) → Bluetooth → ⚙️ near AirDots 2 → Remove) and reconnect.

Headphones appear in Bluetooth Settings as connected |

The headphones are on white (do not blink) |

The sound is played synchronously in both headphones |

In the curtain notifications appeared icon AirDots 2-->

It is important for smartphone owners MIUI 12+: If after connecting the sound goes only to one headphone, go to Settings → Bluetooth → ⚙️ near AirDots 2 → Settings and select Stereo Mode (not Mono).

Managing gestures and buttons

Redmi AirDots 2 supports basic gestures, but their configuration depends on the firmware version.

If the gestures don't work:

1. Check the firmware version (see the “Firmware Update” section).
2. Reset the headphones to factory settings (press the button on the case for 15 seconds before flashing in red and white).
3. Make sure that your phone settings allow access to Microphone and Contacts for AirDots 2.

Limitation: On the Chinese firmware version (TWSEJ08LS), changing gestures through third-party apps can cause crashes, in which case only flashing to the global version will help.

Firmware Update: When to Do and How to Do

AirDots 2 firmware affects connection stability, sound quality and supported features, with the current version for 2026 being V4.7.1.186 (global) or V5.2.1.33 (Chinese) and an update recommended if:

• 🎵 The headphones are periodically turned off during listening.
• 🔊 The sound is interrupted or interference is heard.
• 👆 Gestures work incorrectly (for example, double touching works as a triple touch).
• 📱 Headphones are not defined by the smartphone after resetting.

To update the firmware:

1. Download the official Mi Home app (available from the App Store and Google Play).
2. Connect the headphones to the phone and open the application.
3. Go to Profile → Settings → Update firmware.
4. If a new version is available, click Update and wait for completion (earphones should lie in a case with the lid open!).

I don't know my version.|V4.7.1.186 (global)|V5.2.1.33 (Chinese)|Another version-->

⚠️ Warning: Don't interrupt the update process and don't close the case cover! If the indicator on the case flashes green, it means a successful update. If the red light comes on, repeat the procedure or reset the headphones.

If there is no update button in Mi Home, try:

• Remove and re-add headphones in the application.
• Use a different smartphone (sometimes it helps to change the device).
• Download the firmware manually from the official Xiaomi website (Support → Firmware section) and update via Mi Home.

Sound optimization: equalizer and MIUI settings

The sound in AirDots 2 can be greatly improved with built-in MIUI tools and third-party apps. Start by checking your current settings:

1. Open Settings → Sound and vibration → Sound quality.
2. Select Bluetooth Headphones and activate the option to Improve Sound Quality (available on MIUI 13+).
3. Turn on Absolute Volume to synchronize the volume level on your phone and headphones.

For fine-tuning, use the equalizer:

• 🎛 Built-in: Settings → Sound. → Equalizer (select Preset Bass Boost or Jazz for better detail).
• 📱 Third-party: Equalizer apps FX Wavelet (allows you to create a custom profile for AirDots 2).

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For better sound, disable the dual audio option in Bluetooth settings (if enabled), which creates delays and impairs audio quality.

If the sound is too quiet, even at maximum:

1. Check if Safe Volume is activated in the Sound Settings.
2. Remove volume limits for Bluetooth devices via Engineer Mode (type ##36446337##, then go to Hardware Testing → Audio → Headset Mode).
3. Update the firmware of the headphones (see the section "Firmware Update").

Resetting to factory settings and problem solving

If AirDots 2 started to glitch (do not connect, sound goes only to one earphone, quickly discharge), a complete reset will help.

1. Put both headphones in the case and close the lid.
2. Open the lid and hold the button on the case for 15 seconds until the indicators start flashing red and white.
3. Close the lid for 5 seconds, then remove the headphones - they are ready for a new connection.

After reset, the headphones will lose all pairings and return to the factory settings.

• 🔋 Case charge and headphones (indicators should burn white when connected to charging).
• 📱 Phone compatibility: on some models POCO With custom firmware, conflicts may arise.
• 🔄 Interference from other devices (for example, Wi-Fi router at 2.4 GHz frequency).

⚠️ Note: If after resetting one of the headphones does not connect, try to connect it separately: remove from the case only the problem headphone and find it in the list of Bluetooth devices (it will be called the "Blueto" device). AirDots_2_L or AirDots_2_R).

For battery diagnosis:

• Install the Battery Info app (shows the charge level of each headphone separately).
• If the headphones run out in 1-2 hours, check the case: connect it to the charger and see if the indicator is on.

Compatibility with other devices

While AirDots 2 is optimized for the Xiaomi ecosystem, it works with other devices, including iPhones, Android smartphones from other brands, Windows/Mac PCs, and some Smart TVs.

To connect to Windows:

1. Open the settings → Devices → Bluetooth.
2. Click Add Add the device → Bluetooth.
3. Choose Redmi AirDots 2_R and wait for the connection.
4. In Control Panel → Sound, install AirDots 2 with the default device.

If the headphones are connected, but the sound is interrupted:

• 🖥 On PC, disable other Bluetooth devices (mouse, keyboard).
• 📶 Switch Wi-Fi router to 5 GHz (2.4 GHz causes interference).
• 🔧 In Windows audio settings, select 16-bit, 44100Hz (not 48,000Hz) formats).

Frequently asked questions