Watching your favorite movies, streams or videos from your smartphone screen on a big TV is a dream for many Xiaomi users. TV It's a Miracast or a Google Cast, and it takes a lot of money to buy an adapter like a Chromecast. USB-Connection is a simple but often underrated solution.
In this article, weβll take a look at how to pair your Xiaomi (be it a Redmi Note 12) correctly, POCO X5 Xiaomi 14 flagship series with a TV through USB-A cable to stream videos from YouTube, Movie Search or browser directly to the big screen, with special attention to hidden Android settings that manufacturers often donβt advertise, and common bugs that may cause the connection to fail.
It is important to understand that not all TVs support live streaming of video. USB β It depends a lot on the TV model, the Android version on the smartphone, and even the type of cable. MIUI 13/14 and Samsung TVs, LG, Xiaomi TV Sony Bravia to give you the most universal recommendations.
1. Which one? USB-Adapters and cables will be needed.
The first thing to start with is choosing the right cable. USB-The cable that comes with the smartphone probably won't work:
- π USB Type-C β USB-A (if the TV is standard USB-port β for most modern Xiaomi (starting with the Redmi Note 8).
- π USB Type-C β USB-C (if the TV port USB-C) β It is important for new models of Samsung QLED or LG OLED.
- π adapter USB-A β HDMI (Optional - if the TV does not support MHL (Mobile High-Definition Link, but it has a mobile link HDMI-port.
- π Cable with support OTG β No function, no requirement. USB On-The-Go smartphone will not be able to βdistributeβ content.
How to check if your Xiaomi supports you OTG? Go to Settings. β The phone. β All characteristics β Support USB OTG. If there is no item, download the free application USB OTG Checker from Google Play.
β οΈ Caution: Cheap uncertified cables can not only fail, but also damage the port of the smartphone. USB-IF or from proven brands (Anker, Baseus, Ugreen).
| Type of cable | Suitable for | Price (average) | Notes |
|---|---|---|---|
| USB-C β USB-A (OTG) | Xiaomi smartphones 2018-2026, TV with USB-A | 300β800 β½ | The most universal option |
| USB-C β USB-C | New TVs (Samsung) QN90C, LG C3) | 500β1200 β½ | Rarely required, but irreplaceable for modern models |
| USB-A β HDMI (MHL) | Old TV (until 2017) without Smart-functions | 1000β2500 β½ | Needs support MHL TV |
| USB-C β HDMI (Alt Mode) | Xiaomi's flagship (13/14 series, TV with HDMI 2.0+ | 1500β3000 β½ | Allows you to display the image in 4K |
2. Set up Xiaomi smartphone before connecting
Before connecting devices with a cable, several hidden functions must be activated in the MIUI. Without this, the TV simply does not recognize the smartphone as a source of multimedia.
Step 1: Enable the Developer Mode (if not already activated):
- Go to Settings. β The phone.
- Tap 7 times on the MIUI version.
- Enter the password from your Mi Account if required.
Step 2: Activate USB-debugging and file transfer USB:
- π± Go to Settings. β Additionally. β For developers.
- π§ Turn on Debugging. USB.
- π Mainly the Settings menu β Connection and sharing β USB-Connection select File Transfer.
Enable the developer mode|Activate USB-debugging|Select "File Transfer" in the settings USB|Update MIUI last-minute|Disconnect the energy saving for USB-port-->
Step 3: Turn off battery optimization for USB-Port (Important for stable operation!):
- Go to Settings β Battery and Performance β Battery Consumption Management by Apps.
- Find System Settings and select Without Limits.
β οΈ Note: Some Xiaomi models (e.g. Redmi) 9A or POCO M3) function USB OTG It can be turned off by default to save energy. To activate it, go to Settings. β Battery β Energy saving regime β Additionally. β Disable restrictions for USB.
3. Connection to the TV: step-by-step instructions
Now that the smartphone is ready, we're going to go to the connection itself, and the algorithm of the actions depends on the model of the TV, but the overall scheme is this:
For supported TVs MHL/USB-media:
- Put it in. USB-cable to the smartphone and TV port. Use the connector USB 3.0 (usually blue) for better speed.
- On the TV, select the signal source: on the remote, press Source (or Input) and select USB.
- You'll see a request on the TV screen for access to your smartphone files, confirm permission for Xiaomi.
- Open a video on your smartphone in a browser or application (for example, YouTube), turn on full screen mode.
For TVs without TVs MHL (through HDMI-adapter):
- Connect Xiaomi to the adapter USB-C β HDMI.
- Connect the adapter to HDMI-port.
- On TV, select the source. HDMI (usually HDMI 1/ARC).
- On the smartphone in the notification line will appear the option to Transfer the screen to HDMI β tap on her.
What to do if the TV canβt see the smartphone?
On some Xiaomi TVs TV Sony Bravia may require additional setup:
- πΊ Go to the TV menu: Settings β Connections β Devices USB.
- π Select Multimedia Mode (MTP) or PTP.
- π Allow access to media files (if requested).
4. How to broadcast video from the Internet (YouTube, browser, Kinopoisk)
Connecting your smartphone is half the battle, and the key is to make sure that video from the Internet is played without lag. Here's how to do it:
Method 1: Through the browser (Chrome, Firefox)
- π Open a site with a video (for example, YouTube.com or Kinopoisk.ru).
- π Find the right video and run it.
- πΊ Click on the Broadcast icon (if it appears) or simply roll the video out to the full screen.
- π The sound will go through the TV speakers automatically.
Method 2: Through Applications (YouTube, IVI, Okko)
- π± Install the latest version of the app (e.g. YouTube 18.30)+).
- π Find the video and click on the Broadcast icon (usually in the upper right corner).
- πΊ In the list of devices, select your TV (if it appears as USB-device).
- βοΈ If the broadcast does not begin, in the application settings, enable External Output.
π‘
If the video is slowing down, try reducing the quality to 720p Also close all background applications on Xiaomi β they can consume processor resources.
Method 3: Through a file manager (for downloaded videos)
If you have previously downloaded the movie on your smartphone:
- Connect Xiaomi to TV via the USB.
- On the TV, open the Media Player or Files.
- Select Download or Movies folder on your smartphone.
- Run the video - it will play through the built-in TV player.
5. Typical errors and their solutions
Even with the right connection, there can be problems, and we've collected some of the most common errors and ways to fix them:
| Problem. | Possible cause | Decision |
|---|---|---|
| TV doesn't see a smartphone | Lack of support OTG Xiaomi MHL TV | Check the cable, update it. MIUI, Try another port. USB TV |
| Video is played without sound | The wrong sound source is chosen on TV. | On the TV remote, press Audio and select USB or HDMI |
| Lags and brakes | Power shortage USB-port-line | Use it. USB 3.0, close the background applications, reduce the quality of the video |
| Black screen on TV | Incompatibility of screen resolutions | On Xiaomi in developer mode, set the minimum screen width = 720 |
| Message "Device not supported" | Outdated TV firmware or Xiaomi | Update both devices via Settings β System Update |
Mistake "USB-The device consumes too much energy and often appears on TVs. LG And Philips:
- Turn off the smartphone from the USB.
- On TV, go to Settings. β General. β USB-device.
- Turn on the power option. USB off-screen.
- Reconnect Xiaomi.
β οΈ Note: Some Xiaomi models (e.g. Redmi Note 10 Pro) when connected to TV via a TV USB Charging mode can automatically start. To avoid this, select File Transfer mode in the notification curtain before connecting and tick the box Always use this mode.
6. Alternative ways to connect (if USB does not work)
If you connect through USB For some reason, it is not possible, consider alternative options:
- πΆ Miracast/Wi-Fi Direct is wireless broadcast without cables. On Xiaomi, turn on Settings β Connection and sharing β Broadcast (Cast).
- π HDMI-Adapter - if the TV has HDMI-port, buy an adapter USB-C β HDMI (For example, Baseus 4K).
- π DLNA/UPnP β Create a home network and stream videos through apps like BubbleUPnP.
- π₯οΈ Google Cast β if you have Xiaomi TV Android TV, Use the built-in Google Cast.
Comparison of connection methods:
| Method | Speed. | Quality. | Delay. | Difficulty |
|---------------------|----------|----------|----------|-----------|
| USB (MHL) | Tall. | Do 4K | Minimum | Medium |
| HDMI-adapter | Very high. | 4K HDR | No. | Low. |
| Miracast | Medium | 1080p | 1-2 seconds | Tall. |
| Google Cast | Low. | 1080p | 2-5 seconds | Low. |
| DLNA | Low. | 720p | 3-7 sec. | Tall. |
For Xiaomi with MIUI 14 We recommend using the HDMI-Adapters give you better quality and stability, but if your TV is older than 2018, try Miracast or even a new one. USB MHL.
7. Performance optimization for smooth playback
To prevent the video from slowing down or interrupting, follow these tips:
- π Turn off energy saving: Go to Settings β Battery β Performance mode and select High Performance.
- πΆ Use 5 GHz Wi-Fi: If you stream video over the network, connect to a router at 5 GHz β this will reduce delays.
- ποΈ Clear the cache: In Settings β Annexes β App management find a browser or player and clear the cache.
- π Update the codec: Install the app MX Player and in its settings select software decoding (SW Decoder).
For owners of Xiaomi with Snapdragon processor:
In some models (for example, POCO F4 Xiaomi 12T) there is a hidden setting that improves performance when outputting videos:
- Enable the Developer Mode (as described above).
- Go to the Developers' Form β Hardware acceleration of visualization.
- Enable the options to disable hardware overlays and GPU-acceleration.
- Reboot your smartphone.
π‘
If your Xiaomi supports DisplayPort Alt Mode technology (e.g. Xiaomi) 13 Ultra), use an adapter USB-C β HDMI supportive DP 1.4 β This will allow you to display the video in 4K@60Hz quality-free.
8 Security: How to Avoid Damage to Ports
Incorrect connection can cause ports to overheat or even fail.
- π₯ Donβt use cheap cables without certification β they can cause short circuits.
- β‘ Do not connect your smartphone to TV while charging β this creates a double load on the port.
- π Clean regularly USB-Dust connectors with wooden toothpicking (metallic items are prohibited!).
- π Do not remove the cable during data transfer β it can damage the file system.
If the port on Xiaomi stopped working after connecting:
- Reset the device.
- Check the port for physical damage (foreign objects, bent contacts).
- Reset the settings. USB: Settings β System system β Resetting settings β Resetting settings USB.
- If nothing helps, contact Xiaomi Service Center (repair) USB-The port costs 1500-3,000 β½).
β οΈ Note: Some Samsung TVs (series) Q60C, CU7000) USB-The ports have a current limit of 500 mA. If your Xiaomi consumes more (for example, Xiaomi 13 Pro charges 1200 mA), use it. USB-externally powered hub to avoid overloading the TV port.