Connecting wireless headphones to Xiaomi Redmi 9S: Complete leadership with problem solving

Wireless headphones have become an integral part of everyday life – they are convenient for listening to music, calling and even watching videos. 9S Sometimes you have trouble connecting them: the smartphone does not see the device, the sound is interrupted, the headphones are turned off after a few minutes. In this article, we will discuss all possible ways of pairing, from a standard Bluetooth connection to alternative methods for non-standard situations.

Feature of Redmi 9S is MIUI, It can behave in a non-obvious way when working with accessories, for example, in some versions of the software, the fast connection of headphones is hidden in illogical menu sections, and in others, it requires additional settings to be activated beforehand. We have taken into account all these nuances and collected a universal instruction that is suitable for both the original Mi True Wireless Earbuds and for headphones of other brands (Sony). WH-1000XM4, JBL Tune 510BT, AirPods and others.).

1. Preparation of headphones and telephone for pairing

Before you start connecting, make sure both devices are ready to interact, and often problems arise from basic omissions: a dead headphone battery, a Bluetooth disabled on your smartphone, or an outdated firmware.

• 🔋 Headphone Charging: Make sure the headphones have a charge level of at least 30%. Many models (e.g. Redmi Buds 3) automatically turn off when charged low, which prevents pairing.
• 📱 Update MIUI: Check the relevance of the firmware through Settings → The phone. → System updates, older versions MIUI (Below 12.5) there may be no drivers for new headphones.
• 🔄 Resetting previous connections: If the headphones were already paired with another device, they need to be “forgot” on it or reset to factory settings (usually by holding the power button 10-15 seconds).

Pay special attention to the pairing mode of the headphones. In most models, it activates automatically when you first turn on, but some (for example, Sony). WF-1000XM3) They require manual translation into this mode:

1. Turn off the headphones (if they were turned on).
2. Press the power button (or touchpad) for 5-7 seconds until the indicator starts flashing blue-red (or white - depending on the model).
3. Keep headphones near the phone (at a distance of no more than 30 cm).

If your headphones support multipoint (simultaneous connection to two devices), before pairing with Redmi 9S Disconnect them from other gadgets, otherwise the smartphone may not find them in the list of available devices.

2. Standard Bluetooth connection

The most common way is to use a built-in Bluetooth module. - Xiaomi Redmi 9S It's equipped with a Bluetooth 5.0 chip that provides a stable connection up to 10 meters away:

1. Open the settings on your phone.
2. Go to Connections and Sharing → Bluetooth.
3. Activate the Bluetooth slider (if it is turned off).
4. In the list of available devices, find the name of your headphones (for example, Mi True Wireless Earbuds Basic 2) and tap it.
5. Confirm the pairing if a request appears (sometimes you need to enter) PIN-code - usually 0000 or 1234).

Once successfully connected, the headphones will be marked "Connected" next to the headphone name, and a Bluetooth icon will appear in the top notification bar. If the headphones don't appear on the list, try:

• 🔄 Reboot the phone’s Bluetooth module (disable/enable the slider in the settings).
• 📵 Turn off and turn on the headphones again in pairing mode.
• 📱 Reboot your smartphone (sometimes helps when you crash) MIUI).

Important for AirPods owners: These headphones use Apple's proprietary chip W1/H1, For stable operation after connection, install the AirBattery app from Google Play, which will add display of charge level and improve compatibility.

3. Alternative ways of connecting

If the standard method didn't work, try one of the alternatives, which are especially useful in cases where:

• 🔌 The phone’s Bluetooth module is damaged (for example, after a fall).
• 🎧 Headphones don't support protocol A2DP (rare, but found in older models).
• 📵 You need to connect to multiple devices at the same time.

Method 1: Using a Bluetooth adapter (for wired headphones)

If you have 3.5mm wired headphones but want to make them wireless, you can use a Bluetooth transmitter (e.g. Baseus Encok). WM01 or Avantek BTA-200). Algorithm of action:

1. Connect the transmitter to the headphones through a 3.5 mm connector.
2. Enable the transmitter in pairing mode (usually with a long press of a button).
3. On your phone, activate Bluetooth and find the transmitter in the list of devices (the name will be type Avantek). BTA-200).
4. Connect to it as if it were a regular wireless headphone.

Method 2: Connect via manufacturer’s application

Some brands (such as Sony or Sony) JBL) They're releasing branded apps to customize their headphones, and they often have extra features that aren't on the standard Bluetooth menu:

• 🎛️ Equalizer setting.
• 🔊 Activation of the noise-gatherer.
• 📊 Monitoring of the charge level.

For Xiaomi Redmi 9S fit:

• Mi Earphones – for headphones series Mi/AirDots.
• Sony | Headphone Connect for Sony models WH/WF.
• JBL Headphones - for headphones JBL Tune/Free.

Apps can be downloaded from Google Play. Once installed, they usually automatically detect the headphones and offer optimal settings.

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If the headphones are connected but the sound is interrupted, try turning off the Absolute Volume option in your phone's Bluetooth settings, which will solve the problem of mismatching volume levels between devices.

4. Solving common problems

Even after successful pairing, Redmi users 9S You can have problems, and let's look at the most common ones and how to fix them.

If the headphones spontaneously turn off after 5-10 minutes, the problem may lie in the energy saving settings. MIUI. To fix it:

1. Go to Settings → Battery and Performance → Battery Consumption Management.
2. Find the Bluetooth app (or Settings if it doesn’t exist) in the list.
3. Select the No Limits mode.

For Xiaomi AirDots models, there is a separate problem: they can only connect in mono mode (one earphone).

1. Get both earphones out of the case.
2. Hold the touch panels on both headphones for 3 seconds until you hear the beep.
3. Wait 10-15 seconds – the headphones should synchronize with each other.

5. Sound optimization after connection

Successful pairing is only half the battle, and to get the best sound quality, you need to adjust several settings on both the phone and the headphones (if they support additional features). MIUI:

• 🎵 Equator: Go to Settings → Sound. → Equalizer and select the appropriate preset (e.g., Bass for Electronic Music or Voice for Podcasts).
• 🔊 Mi Sound Enhancer: Enable this option in the same audio settings – it improves dynamic range on Xiaomi headphones.
• 🎧 Bluetooth Codecs: By Default Redmi 9S use SBC — It's a basic codec with mediocre quality, if your headphones support it. AAC or aptX, activate them in Settings → Connections → Bluetooth → The gear settings. → Audio codec.

For headphones with active noise cancellation (ANC) check:

• 🛡️ Level. ANC in the company application (if any).
• 🔋 Battery charge – noise cancellation consumes a lot of energy, and when the charge is low it can automatically shut down.
• 🎧 Density of fitting of bulges - even a small gap reduces the effectiveness ANC.

If you use headphones for calls, make sure that Bluetooth settings select:

• 📞 Use for calls (in the menu of the connected device).
• 🎤 Headphones as the main source of sound during a conversation.

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For better sound, disable Dual Audio in your Bluetooth settings if you don’t use two devices at the same time, a feature that can cause delays and quality degradation.

6. Features of connecting specific models of headphones

Different manufacturers use unique pairing protocols and algorithms. Let's look at the nuances for popular models that most often connect to Redmi. 9S.

Xiaomi Mi True Wireless Earbuds (all generations)

These headphones are optimized for Xiaomi devices, so connect almost instantly:

1. Take both headphones out of the case - they will automatically turn on and go into pairing mode.
2. On the phone, open the case cover - a pop-up window will appear with a suggestion to connect (if you want to do so). MIUI version 12.5+).
3. Put it on and confirm the pairing.

To reset the settings, hold the button on the case for 20 seconds until the indicator starts flashing red.

Apple AirPods (all generations)

While AirPods are designed for iPhone, they are also compatible with Android.

• 📱 To display the charge level, install the AirBattery or Podroid app.
• 🔊 To activate the transparent mode, double tap on the earbud (setting is available only through the iPhone).
• 🔄 To reset, press and hold the button on the back of the case for 15 seconds until the indicator turns yellow.

Sony WH-1000XM4 / WF-1000XM4

These headphones require the installation of a Sony branded app | Headphones Connect for the:

• 🎛️ Equalizer settings and ANC.
• 🔋 Battery charge monitoring.
• 🎧 Activation of Speak-to-Chat (automatic pause during conversation).

To interface:

1. Hold the power button on your headphones for 7 seconds until you hear the voice message “Bluetooth pairing”.
2. On the phone, select WH-1000XM4 or WF-1000XM4 device-list.

JBL Tune 510BT / Live 660NC

These models support multipoint, but for stable operation with Redmi. 9S needle:

• 📵 Disconnect Headphones from Other Devices Before Pairing.
• 🔊 In the annex JBL Headphones to disable Auto option Play/Pause, if it causes delays.
• 🔋 Charge headphones only with the original cable – unoriginal can cause Bluetooth failures.

If the sound is only in one headphone after connection (for example, in the JBL Tune 220TWS), try:

1. Put both headphones in the case for 10 seconds, then pull out.
2. Hold the touch panels on both headphones for 5 seconds for synchronization.

7.Security and privacy when using Bluetooth

A Bluetooth connection, while convenient, can become a vulnerability to your privacy, and attackers can intercept data or connect to your devices without permission, to minimize the risks:

• 🔒 Turn off Bluetooth when you’re not using your headphones, which will also save battery life.
• 🚫 Don’t connect to unknown devices – even if they appear on the list of available devices with names like Free Buds or Audio Device.
• 🔄 Update regularly MIUI — New versions close Bluetooth-stack vulnerabilities.
• 📱 Check the permissions for apps that request Bluetooth access (such as some games or fitness trackers).

V MIUI 12/13 There's a useful Connection Notice feature that alerts you when a new device tries to mate with the phone:

1. Go to Settings → Connections and Sharing → Bluetooth.
2. Slip on the three dots in the upper right corner and select Additional.
3. Enable the option to Notify about new devices.

If you suspect that a third-party device has connected to your phone:

1. Open the list of conjugate devices in Bluetooth settings.
2. Find an unknown device and tap it.
3. Choose Forget or Disable.

For additional protection, install the Bluetooth Guard app – it blocks unauthorized connections and scans for vulnerabilities in your devices.

8 Frequently Asked Questions