How to configure Redmi headphones wireless to Xiaomi phone via Bluetooth: full instruction

Redmi Buds wireless headphones have become an integral part of Xiaomi’s ecosystem, offering users freedom of movement and high-quality sound without unnecessary wires. However, even a simple action like connecting to a smartphone sometimes raises questions — especially for those who are first encountering Bluetooth technology. In this article, we will discuss not only the basic pairing procedure, but also the nuances of settings for different headphone models (Redmi Buds 3/4 Pro, AirDots, etc.), and also solve typical problems that may arise in the process.

It’s important to understand that the connectivity algorithm may vary slightly depending on the version of MIUI on your smartphone and the headphone model. For example, Redmi Buds 4 Pro supports Bluetooth 5.3 with low latency (Low Latency Mode), which requires additional steps to activate. We took all these features into account to ensure that the instruction was universal and relevant for devices 2023-2026.

If you've tried to plug in your headphones before, but you've encountered errors like "Device not found" or "failed to hide," don't be quick to blame the technology. 80 percent of the time, the problem is with the little things: the empty headphone battery, the power saving mode on your phone or the outdated firmware, and then we'll go through each step in as much detail as possible, from preparing the devices to fine-tuning the sound profile.

1. Preparation of headphones and phone for connection

Before you start pairing, make sure both devices are ready to go. Let's start with the Redmi Buds headphones:

🔋 Charging headphones: place them in the case and connect the case to the power source for 10-15 minutes. The indicator on the case should burn red (charged) or green (full charge). If the indicator doesn’t light up at all, check the cable or try another adapter (Redmi Buds are sensitive to unoriginal charging).
📱 Phone compatibility: make sure your Xiaomi smartphone supports Bluetooth 4.2 or higher.This is true for models older than the Redmi Note 5. → The phone. → Bluetooth version.
🗑️ Clean previous connections: If the headphones were already paired with another device, reset them. To do this, press the button on the case (or the touchpad on the headphones) for 10-15 seconds until the indicator starts flashing red and white.

Now, get the phone ready:

🔄 Update the firmware: go to Settings → The phone. → System update: Outdated software can cause conflicts with new headphone models (e.g. Redmi Buds 4 Active require you to use it). MIUI 13 or newer).
📴 Turn off power saving mode: it can block Bluetooth background work. path: Settings → Battery → Power saving mode (turn off or add Bluetooth in exceptions).
🔊 Check the audio settings: some users have a problem when the sound goes to only one earpiece. → Special facilities → Sound.

⚠️ WARNING: If you are using Redmi Buds 3 Pro or newer, do not connect them to your phone through the case while it is charging.This can cause the headphone firmware to fail (Error) DFU First, unplug the case from charging, then remove the headphones.

📊 What Redmi Buds model do you use?

Redmi Buds 3/3 Lite

Redmi Buds 4 Pro/Active

Redmi AirDots (1-2 generation)

Another model

I haven't bought it yet.

2. Step-by-step instruction for connecting via Bluetooth

When the preparation is complete, we move on to the main process. Consider the universal algorithm that is suitable for most Redmi Buds models:

Activate the pairing mode on the headphones: Take the headphones out of the case - they should automatically turn on (indicators will start flashing white). If there is no blinking, press the touchpad on both headphones for 3 seconds (for Redmi Buds 4 Pro) or the button on the case (for older models).
Search for your phone: Open Settings → Bluetooth and switch on. Click Device Search (or Add a new device). The list of devices you find will show the name of your headphones (e.g. Redmi Buds 4 Pro or Mi True Wireless for older models).

Pair:

Click on the headphone name in the list. In 5-10 seconds, the notification will appear Device connected.
For models with Dual Device Connection support (e.g. Redmi Buds 4 Active), the system will prompt you to enable this feature.
Activate ANC or Low Latency Mode in the appropriate tabs.

⚠️ Attention: Low Latency Mode activation on Redmi Buds 4 Pro can increase battery consumption by 15-20.

💡

If the Mi Earphones app doesn't have headphones, try reinstalling the app and restarting your phone. Also check that the phone has enabled the Allow Bluetooth access function in the app settings.

4. Solving common connection problems

Even with the right setup, users sometimes face difficulties, and let's look at the typical errors and how to fix them:

4.1 Phone can't find headphones

Causes and solutions:

🔌 Headphones are discharged: place them in the case for 5-10 minutes. The indicator on the case should burn red (charged) or green (full charge).
📵 Bluetooth is disabled on your phone: check the notification bar or go to Settings → Bluetooth.
🔄 Conflict with other devices: If the headphones were previously connected to another phone or PC, reset their settings (press the button on the case for 15 seconds).
📱 Outdated phone firmware: update MIUI Up to the latest version in Settings → The phone. → Updating the system.

4.2 The sound only goes to one earpiece.

This problem most often arises from:

🎧 Unsynchronized headphones: Put both earphones in a case, close the lid for 10 seconds, then pull them out again.
🔊 Incorrect sound settings: check if Mono Sound mode is activated in Settings → Special facilities → Sound.
📲 Bluetooth connection failure: Turn off the headphones in Bluetooth settings, then connect again.

The headphones are connected, but the sound is interrupted.

Possible causes:

📶 Weak Bluetooth signal: Make sure there are no obstacles (walls, metal objects) between the phone and the headphones. Maximum distance is 10 meters.
🔋 Low headphone charge: If the charge level is below 20%, there may be interruptions. Charge the headphones to 50% or higher.
🎛️ Codec conflict: in Bluetooth settings (click on the headphone name) select the codec SBC instead AAC or.

What if the headphones are not defined in the Mi Earphones app?

1. Remove the headphones from the list of connected devices in Settings → Bluetooth. 2. Reinstall the Mi Earphones app. 3. Reboot the phone and headphones (put them in the case for 30 seconds). 4. Try connecting through another device (for example, a tablet) to check the performance of the headphones. If the problem persists, update the headphone firmware through Mi Earphones (Update).

5. Connection optimization for games and videos

If you use Redmi Buds to play on Xiaomi or watch videos, standard Bluetooth settings can cause noticeable audio delay (up to 200-300 ms).To minimize lag, follow the following steps:

Activate Low Latency Mode: Open the Mi Earphones app. Go to Settings → Low Latency Mode and turn on the switch. For the Redmi Buds 4 Pro, the latency will be reduced to 88 ms (versus 150–200 ms in standard mode).
Select the optimal codec: In Bluetooth settings (click on the headphone name), select the aptX Low Latency codec (if supported) or SBC. Avoid AAC - it can increase latency on some Xiaomi models.

Turn off background applications:

Close all applications that use sound (music players, instant messengers with voice messages).
Activate Game Mode in the Notification Curtain (for POCO/Xiaomi with MIUI 12+).

Use of third-party applications

If Mi Earphones doesn’t work, try alternative utilities:

📱 Bluetooth Auto Connect – automatically connects devices when Bluetooth is enabled.
🎧 Headset Droid – allows you to fine-tune sound profiles.
🔧 nRF Connect – for Bluetooth connection diagnostics (for experienced users).

FAQ: Frequent questions about connecting Redmi Buds

🔍 Why the headphones are connected, but there is no sound?

The reasons may be as follows: 🔈 The sound is redirected to the phone speaker. Check the notification panel -- there should be an earphone icon. 🎛️ The audio settings have the wrong output. Go to Settings. → Sound. → Exit the sound and select Redmi Buds. 🔌 The headphones are connected, but not active. Take them out of the case or press the touchpad.

📱 How to connect Redmi Buds to two devices at the same time?

Dual Device Connection is available in Redmi Buds 4 Active and later. To activate: Connect your headphones to your first device (like your phone). Open Mi Earphones and enable the Multi-Device option. On the second device (like your laptop), activate Bluetooth search and select Redmi Buds. Restriction: only one device will play audio at a time (priority given to the last one connected).

🔋 How to check the charge of headphones and case?

There are a number of ways: 📱 Through the Mi Earphones app: the charge level is displayed on the home screen. 🔋 On the indicator on the case: Red - charge ≤ 30%. Orange 30 to 80 percent. Green — ≥ 80%. 📲 Through a notification on the phone: when you open the case next to the connected device, a pop-up window with interest appears.

🎵 Why does music stop when walking?

This is a typical problem for Bluetooth devices caused by: 📶 Interference: In crowded places (metro, shopping malls) the signal can be suppressed by other devices. SBC Bluetooth. 🔋 Low charge: If the headphones are below 20%, the communication becomes unstable. 📱 Energy Saving: Turn off Bluetooth battery optimization in Settings → Battery → Battery optimization. Also check if the earbuds are tight in your ears, so that poor contact can cause microinterruptions.

🔄 How to Reset Redmi Buds Headphones to Factory Settings?

To reset, do the following: Put both earbuds in the case and close the lid. Open the case lid and press the button on the back for 15 to 20 seconds. The indicator on the case will flash red and white, which means the reset is complete. Close the case lid for 10 seconds, then remove the headphones and reconnect them. After reset, all previous connections will be removed, and the settings will return to the factory settings.