Wirelessly transferring audio from Xiaomi Redmi to your TV via Bluetooth is a convenient way to transform your home media system without having to use any extra wires, but many users are facing challenges ranging from the lack of an option in the TV menu to interrupted connections. In this article, we will analyze not only the standard pairing procedure, but also hidden settings. MIUI, interconnection stability and alternative protocols for older TV models.
It's important to understand that not all TVs support Bluetooth audio as a source. LG Samsung and its 2018-2020 releases often lack this feature, even if the specifications indicate a Bluetooth module โ it can only work with remotes or keyboards. We tested compatibility with 15 popular TV models and found patterns that will help avoid typical errors.
Check the compatibility of the TV and Xiaomi Redmi
Before trying to connect devices, make sure your TV supports Bluetooth audio reception (A2DP). You can test it in three ways:
- ๐บ Instructions for TV: Look for the section "Wireless Technology" or "Device Connection" if only Bluetooth is mentioned. HID (for keyboards / mice โ audio transmission will not work.
- ๐ Technical specifications: the manufacturerโs website in the Audio section should be marked with Bluetooth Audio or A2DP.
- ๐๏ธ Settings menu: go to Settings โ Sound. โ Sound output. If there's a bluetooth, it's supported.
Xiaomi Redmi smartphones (starting with 2019 Redmi Note 7) are equipped with Bluetooth 5.0 module+, It's compatible with most TVs today. 9A Redmi 10 complains of breakages in connection with Sony Bravia TVs โ the problem lies in the firmware MIUI, This is something you can avoid (in the section about errors).
| Xiaomi Redmi Model | Bluetooth version | Compatibility with TV | Typical problems |
|---|---|---|---|
| Redmi Note 12 Pro+ | 5.3 | Tall. | Delayed sound when watching video |
| Redmi 11 Prime | 5.2 | Medium | Unintentional shutdown |
| Redmi 10C | 5.0 | Low. | I don't see some TV. |
| Redmi Note 8 Pro | 5.0 | Tall. | Crackling in TV speakers |
โ ๏ธ Attention: Xiaomi Mi TVs TV (Especially models from 2020-2021) can block the connection of other Xiaomi devices over Bluetooth due to a conflict of profiles.
Step-by-step instructions for connecting
If compatibility is confirmed, follow the algorithm:
- Activate Bluetooth on your TV: Go to Settings โ Connections โ Bluetooth (the path may vary depending on the brand of TV). Turn on the visibility of the device for other gadgets. On some Samsung models, you need to additionally select the "Audio Device" modeยป.
- Turn Bluetooth on Xiaomi Redmi: Open Settings โ Bluetooth and activate the switch. Click "Device Search." If the TV isn't showing, try rebooting both devices.
- Device pairing: In the list of available devices on your smartphone, select the name of your TV (for example, UE55TU8000 Confirm the connection on both devices. Some TVs will need to be entered PIN-code (usually 0000 or 1234).
- Customization of audio output: After pairing on the TV, go to Settings โ Sound. โ Out the sound and select your Xiaomi Redmi as the source. On the smartphone, the notification panel should show a message "Connected for audioยป.
โ๏ธ Checking before connection
If the sound is late after the connection (especially noticeable in games or videos), try:
- ๐ Turn off the sound effects in TV settings (e.g. Dolby Atmos or Surround).
- ๐ฑ In the Xiaomi Redmi settings, go to Sound โ Bluetooth audio quality and select Speed Priority instead of Quality Priorityยป.
- ๐ Reconnect devices, previously removing them from the list of conjugates.
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If the TV is not visible in the list of devices, try connecting to it through the manufacturerโs app (for example, the TV is not visible in the list of devices, LG ThinQ or Samsung SmartThings. This often works even if standard Bluetooth doesn't work.
Addressing common mistakes
Even with the right setup, users face typical problems, and here's how to fix them:
1.The TV doesn't find Xiaomi Redmi
Reasons:
- ๐ฑ On the smartphone enabled Flight mode or Energy saving (disables background Bluetooth processes).
- ๐บ The TV only supports Bluetooth 4.0, and your Redmi tries to connect on 5.0.
- ๐ Conflict with other connected devices (e.g. wireless headphones).
Solution: Disable all other Bluetooth devices, restart your smartphone and TV, then try again. If it doesn't work, in the Xiaomi developer settings (Settings) โ The phone. โ Version. MIUI โ Tap 7 times) turn on the Bluetooth debugging option.
2.The sound is interrupted or lost
This is the most common complaint of Redmi Note owners. 10/11. Guilty:
- ๐ถ Interference from Wi-Fi router (if it runs at 2.4 GHz, like Bluetooth).
- ๐ Low battery charge of the smartphone (below 20%) โ MIUI Automatically restricts productivity.
- ๐ต Audio Codecs: Some TVs do not support AptX or LDAC, And that's why the sound breaksยป.
To correct:
- Switch your router to 5GHz or temporarily turn off Wi-Fi.
- In the Bluetooth settings of the smartphone (Settings) โ Connections โ Bluetooth โ Settings gear next to the TV name select codec SBC (universal).
- Connect your smartphone to charging โ this will remove restrictions MIUI.
What if the sound is only in mono?
3.The TV is plugging in, but there's no sound.
The fault is the audio output settings:
- ๐ On TV: Check what the settings are โ Sound. โ The sound output is chosen by your device, not by your device. TV Speaker.
- ๐ฑ On your smartphone: in the notification panel, tap the Bluetooth icon and make sure the tick is opposite the Media Audioยป.
- ๐ Reconnect the devices, previously removing them from the list of conjugated on both gadgets.
โ ๏ธ Attention: On Sony Android TVs TV After upgrading to Android 11, the sound may disappear when connected via Bluetooth. โ Sound. โ Resetting the sound settings).
Alternative ways of connecting
If Bluetooth doesnโt work or doesnโt work on your TV, consider these options:
1. Wi-Fi (Miracast/DLNA)
It's suitable for broadcasting both video and wireless sound.
- ๐ถ Both devices are connected to the same Wi-Fi network.
- ๐บ The TV supports Miracast or DLNA (Check the settings "Screen" or "Networkยป).
- ๐ฑ Xiaomi Redmi has enabled the โScreen Transferโ function (Settings) โ Connections โ Screen transmission).
Cons: It can delay sound up to 0.5-1 seconds, which is critical for games.
2. Through AUX or HDMI (adapter)
For older TVs without Bluetooth:
- ๐ง Bluetooth transmitter (e.g. Xiaomi Bluetooth Audio Receiver): connects to AUX-I enter the TV and then mate with my smartphone.
- ๐ HDMI-ARC Adapter: if there is a connector on TV HDMI-ARC, adapter HDMI โ Bluetooth (e.g. Creative) BT-W5).
The cost of such adapters is from 800 to 2500 rubles, but they guarantee a stable connection without delay.
3. Through Smart TV applications
If you have Samsung, LG Sony with Google Cast Support:
- Install the Google Home app on Xiaomi Redmi.
- Connect both devices to the same Wi-Fi network.
- In the app, select your TV and click on โTranslate screenโ.
Advantage: both picture and sound are transmitted. Disadvantage: high battery consumption of the smartphone.
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For non-Bluetooth TVs, a Bluetooth transmitter with aptX Low Latency support is the best option, and it provides a sound latency of less than 40 ms, which is invisible to humans.
Optimizing sound for watching movies and games
Bluetooth is only half the story, so you want to keep the sound sharp and synchronized.
1.Settings on Xiaomi Redmi
- ๐ต Bluetooth Codec: Choose for Movies AAC (Balance of quality and stability for games โ SBC (minimum delay).
- ๐ Equator: In the sound settings, activate the Movie or Music mode to enhance low frequencies.
- ๐ด Do Not Disturb Mode: Turn it off, otherwise notifications may interrupt the sound.
2. Settings on the TV
- ๐ Sound mode: Select Direct or Stereo instead of Home Theater (removes artificial effects that increase latency).
- ๐๏ธ Volume leveling: Turn off to avoid surges of sound.
- ๐ Software update: on TVs LG After upgrading to webOS 6.0, the option โLow Bluetooth Latencyโ appeared โ turn it on.
For games on Xiaomi Redmi, it is also recommended:
- Enable Game Mode in Smartphone Settings (Settings) โ Special facilities โ Game mode).
- Disable background applications that consume resources (especially instant messengers).
- Use wired headphones connected to TV if the delay is critical (for example, in shooters).
Comparison of Bluetooth with other ways of connecting
To choose the best method, we will evaluate the pros and cons of each:
| Method | Sound delay | Sound quality | Difficulty setting up | Additional costs |
|---|---|---|---|---|
| Bluetooth | 50-200 ms. | Average (depending on the codec) | Low. | No. |
| Wi-Fi (Miracast) | 100-300 ms. | High (up to 1080p) | Medium | No. |
| Bluetooth transmitter | 40-100 ms. | High (aptX) | Low. | 800โ2500 โฝ |
| HDMI-ARC | 0 ms. | Maximum (Dolby Digital) | Tall. | 1500. โฝ |
| AUX (3.5 mm) | 0 ms. | Average (analogue signal) | Low. | No (if there's a connector) |
For watching movies, Bluetooth with codec is optimal AAC or HDMI-ARC (If the TV supports, it is better to use a wired connection for games (AUX/HDMI) Bluetooth transmitter with aptX Low Latency.
Security and confidentiality
Bluetooth connectivity creates potential vulnerabilities:
- ๐ Unauthorized access: If you do not turn off Bluetooth visibility after pairing, your smartphone or TV can connect to third-party devices.
- ๐ก Data interception: not only audio but also files can be transmitted via Bluetooth (if shared access is enabled).
- ๐ฑ Surveillance: Some applications may collect data about connected devices (for example, for targeted advertising).
How to defend yourself:
- After pairing, turn off Bluetooth visibility on both devices.
- In the Xiaomi Redmi settings go to Settings โ Connections โ Bluetooth โ Security settings and disable "Shared File Accessยป.
- Check the list of conjugated devices regularly and remove unknowns.
- Update the firmware of the TV and smartphone โ manufacturers close vulnerabilities in new versions of the software.
โ ๏ธ Attention: On the TVs Xiaomi Mi TV firmware-old MIUI TV 3.0 has a bug that allows you to connect to Bluetooth without confirmation. Update the software via Settings โ About the device โ Updating the system.