How to turn on Bluetooth on the TV Xiaomi Mi TV 4S: all the ways

Why Bluetooth on Xiaomi Mi TV 4S may not work and how to fix it

Xiaomi Mi TVs TV 4S They have built-in Bluetooth, but many users have difficulty activating it, and the problem is often not the hardware, but the hidden settings of the PatchWall system or outdated firmware. TV Q2), where Bluetooth is enabled in two clicks, 4S-This process may require additional manipulation.

The main reasons why Bluetooth is not turned on are:

  • ๐Ÿ”„ Outdated firmware - in versions MIUI TV below 3.0 Bluetooth module can be disabled by default.
  • ๐Ÿ“ฑ No icon in the menu โ€“ on some regional firmware, the โ€œBluetoothโ€ item is hidden in advanced settings.
  • ๐Ÿ”Œ Hardware reset โ€“ after updating or resetting, network parameters return to factory.
  • ๐Ÿ› ๏ธ Problems with iron are rare, but there are cases of a roll-off of a Bluetooth antenna cable.

In this article, we will discuss all the working ways to turn Bluetooth on the Xiaomi Mi TV 4S (including the 4S 43, 4S 50, 4S 55" and 4S 65 models), as well as diagnose possible malfunctions. If your TV does not detect the device even after the module is activated, at the end of the article there is a section to solve this problem.

๐Ÿ“Š What kind of connection do you use more often?
Bluetooth
Wi-Fi Direct
HDMI ARC
3.5 mm cable

Method 1: Standard Enabling through the Settings Menu

The most obvious method is to activate Bluetooth via the main menu, but on the Mi TV 4S, this path is not always intuitive.

  1. Press the Settings button on the Xiaomi remote.
  2. Go to the Remotes & accessories section.
  3. Select Add Accessory (Add Accessory).
  4. In the window that opens, a Bluetooth switch will appear โ€“ move it to the ON position.

If Remotes & accessories is not on the menu, then your firmware is outdated. Update it (instructions in the next section) or use an alternative path:

  1. Press the Menu + Volume Down button for 5 seconds.
  2. In the engineering menu, select Network Settings โ†’ Bluetooth.
  3. Activate the module and save the settings (Save & Exit).

Make sure the TV is connected to the internet.|Check the battery charge of the connected device|Update the firmware to the latest version|Restart the TV before setting up-->

โš ๏ธ Warning: On firmware older than 2021, after turning on Bluetooth, the TV can automatically restart. This is normal behavior - wait until the process is completed (up to 2 minutes).

Method 2: Enable via engineering menu (for hidden firmware)

Some regional versions of the Mi TV 4S (such as India or China) have hidden Bluetooth settings to unlock:

  1. On the remote, click sequentially: Menu โ†’ Settings โ†’ All Settings โ†’ General โ†’ About TV
  2. Find the Build number and click on it 7 times in a row (the notification โ€œYou became a developerโ€ will appear).
  3. Go back to the main menu and open a new Developer options section.
  4. Activate the Enable Bluetooth HAL switch.
  5. Reboot the TV (Settings โ†’ Device Preferences โ†’ Restart)

After the reboot, the Remotes & accessories menu will feature a full Bluetooth section with support for A2DP (for wireless headphones) and HID (for gaming controllers).

What to do if there is no Developer Options?
If after 7 clicks on Build number partition does not appear, then your firmware is blocked by the manufacturer, in this case only manual update via USB will help (instructions in the next section).

Xiaomi Mi TV 4S modelBluetooth supportMax, firmware versionWhether unlocking is required
4S 43" (L43M5-5AIN)Bluetooth 4.2MIUI TV 3.0.12No.
4S 50" (L50M5-5AIN)Bluetooth 5.0MIUI TV 3.1.4Yes (for A2DP)
4S 55" (L55M5-5AIN)Bluetooth 4.2MIUI TV 3.0.9No.
4S 65" (L65M5-5AIN)Bluetooth 5.0MIUI TV 3.1.7Yes (for HID)

Method 3: Update the firmware to activate Bluetooth

If your menu doesnโ€™t have a Bluetooth partition, thereโ€™s a 90% chance that the problem is with the outdated firmware. Xiaomi regularly releases updates that add support for new protocols (e.g. LE Audio in MIUI TV 3.1+).

Automatic update via the Internet

  1. Go to Settings โ†’ About TV โ†’ System Update.
  2. Press Check for updates.
  3. If you have a new version, choose Download & Install.
  4. Wait until the TV is finished (the TV will restart automatically).

Manual update via USB

If the automatic update does not work:

  1. Download the latest firmware for your model from the official Xiaomi website (choose a file with the.zip extension).
  2. Unpack the archive and copy the update.zip file to the flash drive (FAT32 format).
  3. Put the flash drive in. USB-television-port.
  4. Go to Settings โ†’ About TV โ†’ System update โ†’ Select update package.
  5. Select the update.zip file and confirm the installation.

๐Ÿ’ก

Before upgrading, disconnect all Bluetooth devices from the TV. In rare cases, the firmware may reset pair connections and have to reconfigure them.

โš ๏ธ Warning: If the TV is stuck on the Mi logo after the upgrade, don't turn it off! Wait 10 minutes - the system can perform post-installation operations. If the freeze lasts longer, use an emergency reset (Reset button on the back panel).

Method 4: Reset network settings (if Bluetooth is not enabled)

Sometimes the Bluetooth module is blocked due to conflicts with other wireless protocols (Wi-Fi, IR), in which case the reset of network parameters will help:

  1. Open Settings โ†’ Network & Internet โ†’ Wi-Fi
  2. Select your network and click Forget Network.
  3. Go back to the main settings menu and go to Device Preferences โ†’ Reset.
  4. Select Network settings reset (Network settings reset).
  5. Confirm the action and wait for the reboot.

After discharge:

  • ๐Ÿ”Œ Connect to Wi-Fi again.
  • ๐Ÿ”„ Go to Remotes & accessories โ€“ Bluetooth should appear.
  • ๐Ÿ”Š If you use audio devices (earphones, soundbar), first connect them via cable, and then transfer to Bluetooth mode.

๐Ÿ’ก

Resetting network settings does not remove installed applications, but resets all saved Wi-Fi passwords and paired Bluetooth devices.

Problem Solving: Bluetooth is enabled but does not find devices

When the module is activated, but the TV can't see the headphones, the gamepad or the keyboard, it happens in 30% of cases.

Problem.Reason.Decision
Device not detectable.Frequency conflict with Wi-FiSwitch Wi-Fi to Channel 1 or 11 in router settings
Permanent communication breakdownsWeak signal.Place the device closer to the TV (max. 5 meters)
The sound is interrupted.Lower version of the protocol (SCO instead of A2DP)Update the TV firmware and devices
Game controllers are not connectedNo HID supportActivate Enable HID Profile in the Engineering Menu

For diagnosis:

  1. Check if your device supports profiles: ๐ŸŽง A2DP โ€” for sound (headphones, speakers). ๐ŸŽฎ HID โ€” for controllers (DualShock, Xbox). ๐Ÿ–ฑ๏ธ HOGP โ€” keyboard/mouse.

Make sure the device is in pairing mode (usually hold the power button for 5-10 seconds).

Search again

On Xiaomi Mi TV 4S models with MIUI TV 2.5 firmware and below, the maximum number of Bluetooth devices simultaneously connected is 1. Multitasking requires an upgrade to version 3.0+.

Alternative ways to connect devices without Bluetooth

If you canโ€™t turn on Bluetooth, consider alternatives:

  • ๐Ÿ”Œ USB-Adapter โ€“ Connect Bluetooth-dongle (e.g. TP-Link) UB400) into USB-The system automatically recognizes it as an external module.
  • ๐Ÿ“ถ Wi-Fi Direct โ€“ for file transfer or audio streaming (Network & Internet section) โ†’ Wi-Fi Direct).
  • ๐ŸŽต Audio output 3.5 mm โ€“ for headphones or soundbars (port located on the back panel).
  • ๐Ÿ–ฅ๏ธ HDMI ARC โ€” for audio systems with support for audio return (setting in Sound) โ†’ HDMI ARC).

โš ๏ธ Attention: When in use USB-Disable the built-in Bluetooth in the settings to avoid driver conflicts. Otherwise, the TV can reboot cyclically.

FAQ: Frequent questions about Bluetooth on Xiaomi Mi TV 4S

My TV can't see headphones, even though Bluetooth is on. What do I do?
The problem may be codec incompatibility. Try: Update the headphone firmware through the manufacturer's app. In the TV's sound settings (Sound โ†’ Audio Output), select Bluetooth Audio. Reset the headphone settings (usually hold the power button for 15 seconds). If the headphones only support SBC and the TV tries to connect via AAC, the sound will be interrupted. In this case, only the SBC-enable firmware will help.
Can I connect to Mi TV 4S gamepad from PlayStation or Xbox?
Yes, but with reservations: ๐ŸŽฎ DualShock 4 connects in Bluetooth mode, but may not work in some games (driver problem) HID). ๐ŸŽฎ Xbox Controller (Models 2016)+ year) requires firmware MIUI TV 3.1+. On older versions, it only connects via cable. Use an adapter for full compatibility. 8BitDo Wireless USB Adapter 2, which emulates the connection USB.
After the update, the Bluetooth sound was gone.
This is a well-known firmware error of MIUI TV 3.0-3.1. Solutions: Go to Settings โ†’ Sound โ†’ Audio Output and select Bluetooth manually. Turn off and reconnect the headphones. If it doesn't work, reset the sound settings: Settings โ†’ Device Preferences โ†’ Reset โ†’ Reset sound settings If the problem persists, roll back the firmware to the previous version (instructions on the MIUI SU forum).
How to check which version of Bluetooth is on my Mi TV 4S?
There are two ways: through the engineering menu: Menu โ†’ Settings โ†’ All Settings โ†’ General โ†’ Device Preferences โ†’ Bluetooth version On the TV model (see table in the "Method" section) 2"). The Bluetooth version affects the: ๐Ÿ”‹ Energy consumption (Bluetooth) 5.0 more cost-effectively 30%). ๐ŸŽต Sound quality (Bluetooth) 4.2 supports SBC/AAC, 5.0 โ€” aptX/LDAC). ๐ŸŽฎ Delayed input (important for gamepads).
Can you use the Mi TV 4S as a Bluetooth speaker for your smartphone?
No, the TV doesn't support Bluetooth (transmitter only) mode: ๐Ÿ“ฑ Connect your smartphone to HDMI (adapter USB-C/HDMI). ๐Ÿ”Š Use Wi-Fi Direct to stream audio (apps like LocalCast). ๐ŸŽง Connect external Bluetooth speakers to the TV and broadcast sound from your smartphone to them.