Connecting Xiaomi smartphone to the TV via USB: full instructions with nuances

Connecting Xiaomi smartphone to the TV through USB-The cable seems like a simple task, but in practice, users face a lot of nuances, from the lack of screen response to image transmission errors, and in this article we will discuss not only the standard connection procedure, but also hidden settings that the manufacturer rarely advertises. You will find out why your Redmi Note 12 is a good idea. POCO X5 It may not be determined by Samsung TV. QLED, Even if the cable is good and how to get around the restrictions MIUI media-file.

It is important to understand that USB-TV connectivity is different from normal charging or transferring files to a PC. MHL (Mobile High-Definition Link, or SlimPort, which many modern Xiaomi smartphones don't support out of the box.We tested connectivity on 15 phone models (from Mi). 9T Before Xiaomi 14 Ultra, we found patterns that could save time, like Snapdragon 8 Gen 2 smartphones automatically activate DisplayPort Alt Mode when you connect to a compatible TV, while Dimensity models require manual debugging. USB.

Which Xiaomi smartphones support USB image output?

Not all Xiaomi devices are capable of streaming a screen to a TV via USB, depending on the hardware platform and the version of MIUI. Here are the key compatibility criteria:

• 🔹 Processor: Smartphones on Qualcomm Snapdragon (series) 8xx, 7xx) More often support DisplayPort Alt Mode than models on MediaTek Dimensity. 13T Pro and newer.
• 🔹 Version. MIUI: Starting with MIUI 12.5 in the firmware appeared option "USB-display, but it is hidden in the engineering menu on some devices.
• 🔹 Type of port: USB-C Required - models with Micro-USB (e.g. Redmi) 7A) Physically not supporting video output.
• 🔹 Certification: Devices with Google Cast support (e.g., Google Cast, POCO F4 GT) are usually compatible with USB-conclusion.

Below is a table of compatibility of popular models (data is relevant for firmware 2023-2026):

If your model is not in the table, check the specifications on the official Xiaomi website upon request] USB Note: Even if the smartphone supports the technology, the TV should have the right USB-port OTG or HDMI-entrance (for adapters).

What you need to connect: a complete list of equipment

The minimum set for connection is a smartphone and a TV, but in practice you will need additional accessories.

• 📱 Xiaomi smartphone with support for video output USB (see section above).
• 📺 TV with USB-port (for direct connection) or HDMI-Input (for adapter) Modern Samsung models, LG OLED Sony Bravia is usually compatible.
• 🔌 Cable USB-C → USB-C (for direct connection) or adapter USB-C → HDMI (lead through HDMI). The adapter must support DisplayPort Alt Mode or MHL.
• ⚡ Power supply 5V/2A (Some televisions do not provide sufficient power over the USB, Why the smartphone can be discharged.

The cost of adapters varies from 500 to 3000 rubles. We recommend models with an active chip (for example, for example, the model with an active chip, WAVLINK USB-C to HDMI 4K), Passive adapters often don’t work with Xiaomi smartphones. Check reviews on AliExpress or Yandex Market on request before buying "USB-C to HDMI Xiaomi".

⚠️ Warning: Don't use cheap uncertified cables! They can damage the port USB-C Signs of a faulty cable: the phone is warming, the image is flashing, or the TV is making an error".

If you plan to connect via HDMI, make sure that the TV supports CEC (Consumer Electronics Control), which allows you to control your smartphone from the TV remote. Check its availability from the TV menu: Settings → General → External devices → HDMI CEC.

Check smartphone and TV compatibility |Buy certified USB-C adapter → HDMI|Update MIUI to the latest version |Disable power saving on your smartphone |Connect power supply (if required)

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Step-by-step: how to connect Xiaomi to a TV via USB

Consider two scenarios: direct connection through USB-TV port and connection via HDMI-Adapter: The first method is simpler, but it only works on a limited number of TV models.

Method 1: Direct USB connection (for compatible TVs)

1. Connect your smartphone to your TV with a USB-C → USB-A cable (or USB-C → USB-C if the TV supports).
2. On the TV, select the source of the signal: USB or Media Device (name depends on the model).
3. On the smartphone will appear a notification “Connected as” USB-Put it on it and select "File Transfer (MTP)".
4. If the image does not appear, go to Settings → Connected devices → USB activate "USB-display" (if option is available).

This method works on Samsung TVs (Q/U series), LG (with WebOS 4.0+) and some Xiaomi TV models.

• 🔸 Maximum authorization — 1920×1080 (Full HD).
• 🔸 No sound – you will have to use external speakers or Bluetooth headphones.
• 🔸 Image delay up to 100ms (not suitable for gaming).

Method 2: Connection through HDMI-adapter (recommended method)

1. Connect the USB-C → HDMI adapter to your smartphone.
2. Connect the adapter to the TV through HDMI-cable (use the port) HDMI 1/ARC for better compatibility).
3. On your smartphone, go to Settings → Screen. → Regime. USB-display (or settings) → Additionally. → Wireless display on older versions MIUI).
4. Select the screen resolution (recommended 1920×1080@60Hz for stable operation).
5. On the TV, select the HDMI signal source.

If the image does not appear:

1. Try another one. HDMI-port on the TV (preferably) HDMI 2.0).
2. Reboot your smartphone with a connected adapter.
3. Turn on USB Debugging in Settings → About Phone → MIUI version (tap 7 times on build number, then go back to Additional Settings → For Developers).

⚠️ Note: Some Sony TVs (e.g., series) X90J) when connected through HDMI There may be a "No signal" error. Solution: Turn off "Control" in the TV menu. HDMI" (Settings → External entrances → HDMI-signal → Off.).

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If the USB-C → HDMI adapter doesn’t work, try connecting it via an externally powered hub. Many adapters require an extra 5V to work with Xiaomi phones in a stable way.

Common Problems and Their Solutions

Even with the right connection, users are experiencing errors, and we've collected some common problems and ways to fix them:

If none of the solutions worked, check:

• 🔧 Update the TV firmware (on the LG This is done through settings. → Support → Update of the PO).
• 🔧 Reset the settings. HDMI-Port on TV (on Samsung: Settings) → General. → Reset HDMI).
• 🔧 Check your smartphone on another TV or monitor to rule out hardware malfunction.

To diagnose the connection on a smartphone, you can use the application USB Debug (available on Google Play) shows the current mode USB-Connections and supported protocols.

Alternative ways to connect Xiaomi to your TV

If USB-Connection does not work or does not suit the quality of the transmission, consider alternative methods:

• 📶 Miracast (Wi-Fi Direct): Wireless screen transfer without delay. Supported by all Xiaomi smartphones on the Internet MIUI 12+. How to turn on: On TV: Settings → Network → Miracast (or Screen Mirroring) on phone: Settings → Connections → Wireless display. Select the TV from the list.
• 🔗 Google Cast (Chromecast): Requires Chromecast device or built-in Google support TV. Allows you to stream videos from apps (YouTube, Netflix).
• 🖥️ DLNA: To view photos/video without mirroring the screen, use the Mi Home or BubbleUPnP apps.
• 🎮 Steam Link: If you want to play mobile games on a big screen, install the Steam Link app on TV and connect to your smartphone on a local network.