How to connect wireless headphones to Xiaomi Redmi 9A: photo-instruction

Xiaomi Redmi 9A — It's one of the most popular budget smartphones, but its owners sometimes have trouble connecting wireless headphones. NFC Or advanced codecs, but basic Bluetooth 5.0 does most of the work. In this article, we'll look at all the ways that you pair up, from standard ones. TWS-Headphones to branded Xiaomi AirDots, and also solve typical problems: why the phone does not see the device, the sound is interrupted or the headphones are turned off after 5 seconds.

Feature of Redmi 9A — flattening MIUI It's not a big deal, which sometimes makes it hard to set up, like there's no separate menu to manage multiple Bluetooth devices at once, and some versions of the software don't have Dual Audio, but that doesn't mean you can't use your headphones to the fullest. The main thing is to correctly perform the initial setting and take into account the nuances of the model.

1. Which wireless headphones are compatible with Redmi 9A

The smartphone supports all modern Bluetooth standards, but there are restrictions on codecs and profiles.

• 🎧 TWS-Headphones (True Wireless): Xiaomi AirDots, Redmi Buds, Haylou, Realme Buds and analogues.
• 🎵 Overhead/full size: Sony WH-CH710N, JBL Tune 510BT, Xiaomi Mi Headphones.
• 🏃 Sports with neck strap: Xiaomi Mi Sports, Huawei FreeBuds.
• 🎮 Gamers with microphone: Redmi AirDots Game, Baseus Bowie WM01.

Here’s what might not work or work with limitations:

• ⚠️ Bluetooth headphones 5.2/5.3 (For example, Samsung Galaxy Buds2 Pro – connect, but without support for new codecs (LC3, LE Audio).
• ⚠️ Devices with aptX or LDAC — They will use the standard SBC (lower-quality).
• ⚠️ Apple headphones (AirPods) – will connect, but without the function of Automatic Switching and notifications about the battery.

Important for Redmi. 9A: The smartphone does not support multithreaded Bluetooth (Dual Audio), so you can not connect two devices at the same time (for example, headphones and a speaker.

2. Step-by-step instruction: how to connect headphones via Bluetooth

The process of pairing is the same for most models, but there are nuances for TWS-headphones (where you need to press a button on the case) and for devices with fast connection (for example, Xiaomi AirDots:

Charge headphones (minimum 30%)

Turn on Bluetooth on your phone

Make sure the headphones are in pairing mode (flashing the indicator)

Disable other Bluetooth devices (if connected)-->

Step 1. Activate the pairing mode on the headphones

For different models, the process is different:

• 🔄 TWS-Headphones (e.g. Redmi Buds 3): Take both headphones out of the case and hold the button on the case for 3-5 seconds until the indicator starts flashing red and blue.
• 🎧 Overhead headphones (e.g, JBL T460BT): Hold the power button for 5-7 seconds until you hear the voice message "Pairing mode".
• 🏃 Sports with a strap (e.g. Xiaomi Mi Sports): Press both volume buttons simultaneously for 3 seconds.

Step 2. Turn on Bluetooth on Redmi 9A

Open the notification bar (swipe down from the top edge of the screen) and click on the Bluetooth icon.

1. Go to Settings → Connections and Sharing → Bluetooth.
2. Activate the switch in the upper right corner.
3. Wait for the phone to find the available devices (it can take up to 30 seconds).

Step 3. Find the headphones in the list and connect

The list of available devices will show the name of your headphones (for example, "Redmi Buds 3 Pro" or "Redmi Buds 3 Pro "MI AIRDOTS BASIC"). Then, click on them and then confirm the pairing if required.

🔹 Note for Xiaomi AirDots: If the headphones don't show up, try it:

1. Put both earphones back in the case.
2. Close the case cover for 10 seconds, then open.
3. Remove the headphones and hold the button on the case for 10 seconds (up to double blinking).

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If the headphones have already been connected to another phone, reset their settings: usually you need to hold the power button for 10-15 seconds before resetting the indicator (blinking will change to constant light).

3. Problem Solving: The phone doesn't see headphones

If Redmi 9A If your headphones don't find it, it could be in your phone or in your devices.

Additional steps if nothing helps:

1. Reboot your phone: Sometimes the Bluetooth module freezes after an upgrade or prolonged use.
2. Update the firmware: go to Settings → The phone. → Update the system and check the relevance of the software.
3. Reset network settings: Settings → System and device → Resetting settings → Resetting Wi-Fi, Mobile Network and Bluetooth.

4. Adjust the sound after connection

Even after successful pairing, the sound can be quiet, with delays or distortions. - Redmi 9A There are hidden settings that will help improve the quality:

How to turn up the volume

By default. MIUI limit the maximum volume for Bluetooth devices:

1. Open Settings → Sound and vibration → Volume.
2. Click on the icon. ⚙️ near the Media slider.
3. Activate the option to turn off the safe volume level.

How to reduce the latency of sound (lag)

Sound delay is noticeable when watching videos or playing games, to reduce it:

• 📱 Enable Game Mode: Swipe down for the notification panel → press Game Mode.
• 🎵 Select the codec. SBC (instead AAC): In Bluetooth settings, click on the icon ⚙️ Next to the connected headphones and select Sound Quality Priority → Balanced.
• 🔄 Reconnect the headphones: Sometimes the delay is due to a synchronization error.

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For minimal audio delay, use headphones with support for the aptX Low Latency codec (for example, Sony). WH-1000XM4 or 1More SonoFlow, however, Redmi. 9A This codec does not support this, so the best option is — SBC under “Low delay".

How to improve sound quality

V MIUI There is a built-in equalizer, but it is hidden in the settings:

1. Open Settings → Sound and vibration → Sound quality and effects → Equalizer.
2. Choose a preset (like Bass or Rock) or set up the sliders manually.
3. Activate Mi Sound Enhancer for a more surround sound.

⚠️ Warning: If the equalizer settings change, the sound gets worse (wheezing, distortion), return the settings to factory.

5. Features of connection Xiaomi AirDots and Redmi Buds

Xiaomi branded headphones have unique features when connecting to phones on the phone MIUI, For example, AirDots can automatically detect a phone model and activate advanced settings, but only if you have a set of devices:

• 📱 The phone's working on MIUI 12 or newer (at Redmi) 9A It usually stands MIUI 11 - refresh!).
• 🔄 Headphones connected for the first time (when paired again, some functions may not work).
• 📲 Bluetooth Settings Enables the Option to Show Battery Notifications.

🔹 How to activate advanced functions:

1. Put the headphones on the phone.
2. Open Settings → Connections and Sharing → Bluetooth.
3. Click on the icon. ⚙️ near AirDots/Redmi Buds.
4. Activate options: 🔋 Show the charge level (will be displayed in the notification panel). 🎶 Automatic connection (earphones will connect when extracted from the case). 🔊 Double touch for control (setting actions on tapu).

Problems specific to AirDots/Redmi Buds:

• ❌ Sensor control is not working. → Reset your headphones and reconnect.
• ❌ Case charge not displayed → Update the firmware of headphones through the Mi Home app.
• ❌ Only one headphone is connected. → Take both headphones out of the case and hold the button on the case for 10 seconds.

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To update the firmware of Xiaomi AirDots or Redmi Buds headphones, download the official Mi Home app from Google Play. It has a section called "Brandware" where you can check the relevance of the version.

6. How to turn off or remove headphones

If you no longer plan to use headphones or want to connect them to another device, they need to be properly disabled or removed from the phone's memory.Merely turning off through the notification bar does not reset pairing!

Temporary shutdown

To suspend the connection, but save the settings:

1. Open the notification bar (swipe down).
2. Click on the Bluetooth icon and hold it for 1-2 seconds.
3. In the list of connected devices, click on the headphones → Shut down.

Complete removal (forgetting the device)

If you want to reset all the pairing settings:

1. Go to Settings → Connections and Sharing → Bluetooth.
2. Click on the icon. ⚙️ headphone-on.
3. Select Forget this device and confirm the action.

⚠️ Warning: Once removed, the headphones will have to be reconnected as if it were the first pairing. If the headphones were tied to a Xiaomi account (such as AirDots Pro), you may need to re-authorize.

7. Alternative ways to connect (if Bluetooth does not work)

If you have Bluetooth on Redmi 9A It's out of order, or the headphones don't support this protocol, there are workarounds, and they're less comfortable, but they work.

Connection via Bluetooth adapter

If the built-in Bluetooth does not work, you can use an external adapter with a connector. USB-C:

1. Buy a Bluetooth 5.0 adapter USB-C (For example, Baseus BTA-01).
2. Connect him to the phone through OTG-cable (included in Redmi) 9A It's not there. You'll have to buy it).
3. Activate Bluetooth via the adapter (a new device will appear in the settings).

⚠️ Limitations:

• The adapter will take over the port. USB-C, Therefore, charging the phone while using headphones will not work.
• Some adapters require additional power (need a hub with an external source).
• The sound delay may increase due to the intermediate device.

Connection through AUX-cable (if there is a 3.5 mm connector)

Redmi 9A has a standard headphone jack, so you can use wired headphones or a Bluetooth transmitter adapter:

1. Buy a Bluetooth transmitter with a 3.5 mm output (for example, 1Mii B06).
2. Connect the transmitter to the headphone jack on the phone.
3. Turn on the headphones and pair them with the transmitter (as with a normal Bluetooth device).

🔹 Pluses:

• No sound delay (suitable for games and videos).
• It doesn’t consume the phone’s battery (unlike the built-in Bluetooth).

8. Frequent questions and answers