Modern Xiaomi TVs and Samsung smartphones support wireless Bluetooth connectivity, which allows you to broadcast sound from your phone to the big screen without unnecessary wires. However, many users face difficulties in the first synchronization: devices βcanβt seeβ each other, connection is interrupted or sound is transmitted with a delay. In this article, we will discuss all the stages of connection, from preparing equipment to eliminating typical errors, and also explain how to optimize the sound for movies and music.
It is important to understand that the process depends on the TV model (e.g. Mi). TV Q2 or Redmi Smart TV X) and firmware versions MIUI TV, and also from the smartphone operating system (Android) 12/13/14 one UI). We have taken these nuances into account and prepared universal solutions that work even for devices. 2020β2026 If youβve tried to connect before and have problems, check out the Troubleshooting section, which contains exclusive methods for Xiaomi. TV Android-based TV 11/12.
Device Requirements: What You Need to Connect
Before you start synchronizing, make sure your technique meets the minimum requirements, which will save you 80% of the potential problems.
Xiaomi TVs are critical to have a Bluetooth 4.2 module or later. You can specify the version in the model specifications or in the Settings menu β On TV. β Specifications: Outdated models (e.g. Mi) TV 4A 2018) can only support Bluetooth 4.0, which limits functionality.Samsung smartphones starting with the Galaxy S8 (2017) equipped with Bluetooth 5.0+, This ensures a stable connection.
- πΊ Xiaomi TV: any model with a MIUI TV Google TV (2019 and beyond: Bluetooth support required.
- π± Samsung: Galaxy S, Note, A-series (2017-2026) Android version - at least 9.0.
- π Battery charge: The phone must have at least 30% charge, otherwise the system may block the connection.
- πΆ Wi-Fi network: not required for Bluetooth, but recommended for firmware updates.
Pay special attention to the firmware of the TV. If your Xiaomi TV version MIUI TV After 2021, update it through Settings β On TV. β System Update: Outdated versions often contain Bluetooth-connected bugs, especially when working with Samsung devices.
Preparing the TV and phone for the connection
Properly preparing your devices reduces connection times and minimizes the risk of failure. Start with the TV:
- Turn on Xiaomi. TV and go to Settings. β Devices and accessories β Bluetooth.
- Activate the Bluetooth slider (if it's gray, click on it).
- Select Add Device or Device Search.
On a Samsung smartphone, do the following:
- Open Settings β Connections β Bluetooth.
- Turn on Bluetooth and wait for the scan to be completed.
- Make sure Visibility (or Detect) is activated β this will allow the TV to βseeβ the phone.
If you're Xiaomi. TV If it doesn't show up on the list of available devices on your phone, try rebooting both devices. Sometimes it helps to reset Bluetooth settings on your TV: go to Settings for that. β Devices β Bluetooth β Three dots (menu) β Resetting settings.
βοΈ Preparation for connection
Step-by-step: how to connect Samsung to Xiaomi TV
Now, to the process of connection, follow the instructions carefully, the order of action is important.
1. On Xiaomi TV in the Bluetooth menu, click Add Device. The system will start searching.
2. On a Samsung smartphone, find the name of your TV in the list of available devices (for example, MiTV-Q2-1234). Press it.
3. The TV will be asked to confirm the connection with a code (e.g., 123456) Compare it to the code on the phone and confirm the connection on both devices.
4. After successfully connecting to the Bluetooth menu of the TV, the name of your smartphone will appear marked Connected.
If the connection is established, but the sound is not transmitted, check the audio output settings on the phone:
- Open the notification bar on Samsung and hold the Bluetooth icon.
- Select a connected Xiaomi TV device-list.
- Activate the Media Audio option (or Sound via Bluetooth).
Some Xiaomi models TV (Like Mi. TV P1) And then you have to manually select the source of the sound:
- On the remote, press the Settings button.
- Go to Sound. β Sound source β Bluetooth.
- Select your smartphone from the list.
π‘
If the sound is interrupted, try turning off the phone's Adaptive Sound feature in Bluetooth settings. It may conflict with the Xiaomi protocol. TV.
Sound Customization: How to Improve Transmission Quality
Default Bluetooth on Xiaomi TV codec SBC, To improve audio, you can change your codec settings β but only if your Samsung smartphone supports it. AAC or.
For this:
- On the phone, open Settings β Connections β Bluetooth.
- Click on the gear icon next to the connected Xiaomi TV.
- Select Sound Quality or Codec (on some models, this item may be called Audio Profile).
- Try it one by one. AAC (Better for music and aptX (better for movies).
If the phone does not have a codec selection option, check the settings of the TV:
- Go to Settings. β Sound. β Additional settings β Bluetooth Quality.
- Choose High Quality (may be called High Quality) HD Audio).
Note that when using the aptX codec, you may experience a delay of up to 200 ms when watching a video. AAC or SBC.
| Codec | Sound quality | Delay (MS) | Suitable for |
|---|---|---|---|
| SBC | Average. | 100β150 | Conversations, podcasts |
| AAC | Good. | 50β100 | Music, movies |
| aptX | Excellent. | 20β50 (maybe up to 200) | Audiophile music |
| LDAC | Premium | 30β100 | Studio sound (requires support) TV) |
π‘
For watching movies is the best codec AAC β It provides a balance between quality and synchronization of sound with video.
Typical problems and their solutions
Even with the right connection, users often encounter errors, and we've collected the most common cases and ways to fix them.
1.The TV doesn't find the phone
Reasons:
- π Bluetooth on the phone works in the mode of energy saving (disables visibility).
- π΅ The TV is hidden in the network (on some models Xiaomi need to manually turn on visibility).
- π Low battery charge of the phone (less than 15%).
Decision:
- π§ On your phone, turn off power saving mode for Bluetooth in Settings β Maintenance of the device β Battery β Energy saving settings.
- π On the TV, check if Detection mode is enabled in Bluetooth settings.
- π Connect your phone to charge and try again.
2.The sound is interrupted or delayed
Reasons:
- πΆ Interference from other wireless devices (Wi-Fi router, microwaves).
- π Uses aptX codec with high latency.
- π± The phone includes sound processing functions (Dolby Atmos, Adaptive sound).
Decision:
- π‘ Move your router away from your TV or switch it to a 5GHz channel.
- π΅ In Bluetooth phone settings, select the codec AAC.
- π Turn off all sound effects in Settings β Sound and vibration β Sound quality and effects.
3.The connection breaks in a few minutes
This is a problem typical of Xiaomi TVs on the Internet. MIUI TV It's older than 2020, and it's because of a bug in the power saving of a Bluetooth module.
Decision:
- βοΈ Turn off Bluetooth automatic shutdown on your TV: Settings β Devices β Bluetooth β Additionally. β Energy conservation β Off.
- π Update the TV firmware to the latest version.
- π± On your phone in Bluetooth settings, turn off the Auto-Switch Off option when inactive.
Why Xiaomi TV Losing connection to Samsung?
β οΈ Note: If the audio is only going through the phone's speakers after you've connected, check if Media mode is activated in Bluetooth settings. Some Samsung models need to manually select a profile. A2DP (music transmission instead HFP (talk).
Alternative ways of connecting
If your Bluetooth connection is unstable or you need to transmit not only audio but also video, consider alternatives:
1. Connection via Wi-Fi (Miracast/DLNA)
This method allows you to broadcast your phone screen to your TV without wires.
- πΊ Xiaomi. TV Enable Miracast in Settings β Devices β Phone screen.
- π± On Samsung, open Settings β Connections β Broadcast the screen and select the TV.
Advantage: both audio and video are transmitted. Disadvantage: Lags are possible with a weak Wi-Fi signal.
Connection via HDMI (for maximum quality)
If you need to broadcast content without loss of quality (for example, movies in the Internet) 4K HDR), use HDMI-adapter (e.g. Samsung) USB-C to HDMI).
- π Connect the adapter to the phone and connect it to the TV HDMI-cable.
- πΊ On the TV, select the source. HDMI.
- π± DeX mode may be required on the phone (for supported models).
3.Use of streaming applications
Applications like LocalCast or BubbleUPnP allow you to stream media files from your phone to your TV over a local network.
- π± Install the app on your phone.
- πΊ Make sure your TV and phone are connected to the same Wi-Fi network.
- π¬ Select a file to broadcast and specify Xiaomi TV output-device.
Each of these methods has its pros and cons: Bluetooth is convenient for listening to music, Miracast is convenient for presentations, and HDMI β film-goer.
Advanced settings for experienced users
If standard methods don't work, you can try hidden settings and engineering modes, which are suitable for users who are ready to experiment.
1. reset Bluetooth settings on Xiaomi TV
Sometimes Bluetooth configuration files get corrupted, causing crashes to reset them:
- Go to Settings β Devices β Bluetooth.
- Click on the three dots in the top right corner and select Reset Settings.
- Confirm the action and restart the TV.
2.Amendment MTU Bluetooth settings (Android only)
MTU (Maximum Transmission Unit is a parameter that affects the stability of the connection. ADB:
adb shell settings put global bluetooth_max_mtu_size 512After you execute the command, restart the phone. MTU Xiaomi TV β 512 or 1024.
3. Disconnection ABS (Audio Bluetooth Sco on Samsung
Some Samsung models use the technology ABS, Which could be a problem with Xiaomi. TV. To turn it off:
- Enter the code in the phone application: *#0011#.
- Go to the Bluetooth tab.
- Turn off the option. ABS (Audio Bluetooth Sco).
β οΈ Attention: Changing hidden settings can cause Bluetooth to work unstable.Before experimenting, back up your phone data and record your TV's current settings (for example, by taking a screen picture).