Connecting Redmi Airdots 2 to Xiaomi phone: full instruction with error solutions

Seamless sound without wires is the dream of every music lover, and Xiaomi’s Redmi Airdots 2 has been one of the most popular budget sounding games for several years. TWS-But even with a single brand, the pairing process sometimes raises questions: Bluetooth can't see the headset, the sound is interrupted, and the left/right headphones refuse to sync. This article will not only tell you how to connect Redmi Airdots 2 to a Xiaomi phone, but also will analyze typical errors, ways to fix them, as well as hidden chips to improve sound quality.

Redmi Airdots 2 features Bluetooth 5.0 protocol with codec support. SBC and AAC, In theory, it should guarantee a stable connection with any Xiaomi smartphone (from Redmi Note 8 Pro to Xiaomi 14 Ultra). MIUI 11 may require manual update of the firmware of headphones, and on new flagships with MIUI 14 – disable the dual connection function in Bluetooth settings.We tested all scenarios and collected relevant solutions for 2026, including work with Redmi Airdots 2 Lite and modification of Redmi Airdots 2S.

πŸ“Š What version? MIUI you use?
MIUI 12
MIUI 13
MIUI 14
Another version.
I don't know.

1. Preparation of headphones and telephone for pairing

Before you start connecting, make sure that both devices are ready for the process. Redmi Airdots 2 should be fully charged (the indicator on the case burns white), and on the Xiaomi phone - Bluetooth is turned on and power saving mode for wireless devices is turned off. If the headphones have already connected to another gadget, they will have to be reset - we will talk about this in the next section.

As for the software, check out:

  • πŸ“± Version. MIUI: Go to Settings. β†’ The phone. β†’ Version. MIUI. Recommended for stable operation MIUI 12.5+.
  • πŸ”„ System Updates: C Settings β†’ The phone. β†’ Update the system install the latest patches.
  • 🎧 Headphone firmware: if Airdots 2 Not previously updated, their software may be outdated (up-to-date version β€” V4.7.1_20220315).

⚠️ Note: If your Xiaomi phone is running Android 10 or lower, turn off Adaptive Bluetooth in Settings before connecting β†’ Connections β†’ Bluetooth β†’ This option can cause audio delays in Redmi Airdots 2.

πŸ’‘

To speed up the search for headphones, before connecting, place the case with Redmi Airdots 2 next to the phone (not more than 10 cm away) and open the lid. This activates the pairing mode automatically.

2. Standard Bluetooth connection

The basic way to connect Redmi Airdots 2 to a Xiaomi phone takes no more than 30 seconds, if you follow the algorithm:

  1. Open the cover of the Redmi Airdots 2 charging case – the headphones should automatically turn on (indicators will flash red and white).
  2. On your phone, go to Settings β†’ Connections β†’ Bluetooth and activate the slider.
  3. In the list of available devices, find "Redmi" Airdots_L" (left earphone) or "Redmi" Airdots_R" (right) and tap it.
  4. Confirm the pairing on your phone. Once you've successfully connected, the headphones will light up in blue.

Headphones are displayed in the list of connected devices |Indicators on Airdots 2 are lit blue |The sound is played synchronously in both headphones | In the Bluetooth settings there is a "Media Sound" item for the headset-->

If after connecting the sound is only in one headphone, perform the following actions:

  • πŸ”„ Reboot both headphones: Put them in the case, close the lid for 10 seconds, then pull out.
  • πŸ“± On your phone in Bluetooth settings, click on the icon βš™οΈ Next to Redmi Airdots 2 and select Disconnect, then reconnect.
  • πŸŽ›οΈ Check the sound balance: in the player or availability settings (Settings) β†’ Special opportunities β†’ Monoaudio, turn off Mono mode".

3.Reset Redmi Airdots 2 settings before connecting

If the headphones have previously been paired with another device or are unstable, they must be reset to factory settings. For Redmi Airdots 2, this is done as follows:

Step 1. Place both headphones in the charging case and close the lid for 5 seconds.

Step 2. Open the lid and hold the button on the case for 15 seconds until the indicators start flashing red and white alternately.

Step 3. Close the case cover, the reset is complete. The headphones are now ready for a new pairing.

⚠️ Attention: After the Redmi Airdots reset 2 The phone can be temporarily defined as two separate devices (Redmi). Airdots_L redmi Airdots_R). This is normal – connect the left earphone first, then the right automatically syncs.

What to do if the button on the case does not respond?
If after a long hold of the button, the indicators do not flash, check: 1. Case Charge (plug to charge for 10 minutes). 2. Cleanliness of contacts on the case and headphones (wipe with an alcohol napkin). 3. Integrity of the button (in case of physical damage, a replacement of the case is required).

4. Solving Connection Problems

Even after a reset, Xiaomi users sometimes encounter errors, and below is a table of typical problems and solutions:

Problem.Probable causeDecision
Phone doesn't see Airdots 2Headphones in energy saving mode or turned offPut the headphones in the case, close the lid for 10 seconds, then remove.
The sound is interrupted or delayed.The β€œLow power consumption Bluetooth” mode is enabledTurn off the settings β†’ Battery β†’ Power saving mode
Only one headphone is connected.Synchronization failure between L and RReset the headphones (see Section 3) and reconnect
Low quality of sound (wheezing, noise)SBC codec is used instead of AAC.In the developer settings, select Bluetooth Codec: AAC

If the problem persists, check the headphone firmware version.

  1. Connect Airdots 2 to your phone.
  2. Install the Mi Home or Xiaomi Wear app from Google Play.
  3. In the application, find headphones in the list of devices - the current version of the software will be indicated there.

Critical information: Headphones Redmi Airdots 2 firmware-old V4.0.1_20200910 They do not support automatic synchronization with Xiaomi. MIUI 14. Update your firmware through the Xiaomi Wear app or manually (instructions in the section) 6).

5. Sound and control optimization

After successfully connecting, configure Redmi Airdots 2 for maximum comfort:

  • 🎡 Equator: In Settings β†’ Sound. β†’ Choose Preset Bass or Rock for a rich sound.
  • πŸ”Š Volume: In Settings β†’ Connections β†’ Bluetooth β†’ βš™οΈ (opposite Airdots 2) β†’ Pressure sets the maximum value.
  • ⏯️ Gesture control: Double touch - playback / pause. Triple touch - next track. Hold 2 seconds. - Call voice assistant.

πŸ’‘

To activate the control gestures go to Settings β†’ Connections β†’ Bluetooth β†’ βš™οΈ (Redmi Airdots 2) β†’ Manage headphones and turn on the option "Touching".

If you're not functional enough, install a third-party MaterialPod or Wavelet app to fine-tune the sound.

  • πŸ”§ Set up ANC (Active noise reduction, even on budget headphones.
  • πŸ“Š Visualize the frequency characteristics of Airdots 2.
  • πŸ”‡ Turning off the microphone during calls (useful for privacy).

6. Redmi Airdots 2 firmware update

The firmware of the headphones affects connection stability, sound quality and uptime.To update Redmi Airdots 2:

  1. Install the Xiaomi Wear app (available for Xiaomi/Redmi/POCO).
  2. Connect the headphones to the phone via Bluetooth.
  3. Open the app, find Airdots 2 in the list of devices and tap on them.
  4. If an update is available, an Update button will appear – press it and wait until it is completed (don’t turn off Bluetooth!).

⚠️ WARNING: Do not remove the headphones from the case or close the case during firmware updates. Interrupting the process may cause the headset to "brickle" (manual recovery via Fastboot is required).

If the automatic update doesn’t work, try an alternative method:

  1. Download the latest firmware for Redmi Airdots 2 from the official Xiaomi website (section "Audio").
  2. Unpack the archive and place the file fw_update.bin cellphone.
  3. Connect the headphones, open Xiaomi Wear and manually select the firmware file.

7. Alternative ways of connecting

If the standard method doesn’t work, try these options:

Method 1. Through the Mi Home app

  • πŸ“± Install Mi Home from the official store.
  • πŸ” In the "Add device" section, select Headphones β†’ Redmi Airdots 2.
  • πŸ”„ Follow the instructions on the screen (scanning may be required) QR-case-code).

Method 2. Manually through the developer menu

  1. Activate Developer Mode: Go to Settings β†’ About Phone and tap the MIUI version 7 times.
  2. Back to Settings β†’ Additionally. β†’ For developers.
  3. Find the Bluetooth Codec option and select AAC (for best sound) or aptX (if supported).
  4. Reboot the phone and reconnect.

Method 3. Through third-party utilities

Apps like Bluetooth Auto Connect or Btool help when Xiaomi stubbornly doesn't see the headphones.

  • πŸ” Forced scanning of devices within range.
  • πŸ”„ Reset Bluetooth cache.
  • πŸ“‘ Increase signal power (requires root rights).

8. Frequent questions and answers

πŸ”Ή Why Redmi Airdots 2 is fast discharged after connecting to Xiaomi?
The reasons may be different: πŸ”‹ Absolute Volume Mode Enabled in Developer Settings (Switch It Off). πŸ“Ά Constantly search for devices to connect (in Bluetooth settings, turn off Visibility for all). πŸ”„ Outdated headphone firmware (update to the latest version) Also check the battery status of the case: if it is swollen or does not hold the charge, you need to replace it.
πŸ”Ή Can you connect Redmi Airdots 2 to two phones at the same time?
Officially, Redmi Airdots 2 does not support multi-connection (unlike Redmi Buds 3 Pro). However, you can bypass this limitation: Connect your headphones to the first phone. Open the case cover and hold the 5 sec button until the indicators start flashing white. Without disconnecting from the first device, connect to the second via Bluetooth. ⚠️ Disadvantages of the method: when switching between phones, you will have to repeat the procedure every time.
πŸ”Ή How to reset the settings if the button on the case is broken?
If the physical button doesn't work, use a software reset: Connect your headphones to your phone. Install the nRF Connect app from Google Play. Search for Redmi Airdots 2 in the app and send the AT+RESET command via the console. If that doesn't work, contact Xiaomi's service center - the case will require repair.
πŸ”Ή Why Redmi Airdots 2 has different volume levels on the left and right earphones?
This is a common problem associated with: πŸŽ›οΈ Unbalanced Equalizer Settings (reset them in Settings) β†’ Sound). πŸ”Š Contamination of speakers (clean them with a soft brush). πŸ”„ Different firmware versions on your headphones (update both through Xiaomi Wear).If the difference persists, check the headphones on another device - one of the speakers may have malfunctioned.
πŸ”Ή Can you use Redmi Airdots 2 with iPhone or Android of other brands?
Redmi Airdots 2 is compatible with any device that supports Bluetooth 4.2+. However, on the iPhone may have nuances: 🍎 No codec support AAC The sound is worse than Xiaomi). πŸ”Š There is no equalizer for headphones in the iOS settings. πŸ“± Control gestures are not working correctly (for example, triple tap does not switch tracks). For Android of other brands (Samsung, Realme, etc.), the functionality will be full, but you may need to manually configure the codecs in the developer menu.