Xiaomi Redmi screen broadcast on TV via USB: full-length

Connecting Xiaomi Redmi smartphone to TV via USB-cable is one of the most stable ways to broadcast a screen without delay, unlike wireless technologies like Miracast or Google Cast, USB-Connection is independent of Wi-Fi quality and provides minimal signal latency, which is especially true for gamers who want to play on a large screen, or for presentations where synchronicity is important.

However, not all users know that successful broadcasting requires not only a physical connection, but also the right settings on both devices. In this article, we will examine all the nuances from choosing a cable to solving typical errors such as no sound or a black screen. We will focus on the Redmi Note models. 10/11/12, Redmi 9/10 and flagships of the Redmi K series, but the instruction is suitable for other devices on the MIUI 12–14.

Important: This method only works with TVs that support the USB OTG function MHL (Mobile High-Definition Link or SlimPort: If your TV is not equipped with these technologies, you will need an additional adapter.

1. What cables and adapters will be needed

To stream the screen Xiaomi Redmi on the TV through USB You will not need a conventional charging cable, but a special one. USB-C/USB-A → HDMI supportive adapter MHL Or DisplayPort Alt Mode. Here are the keys to choosing:

🔹 For modern models (Redmi Note) 11/12, Redmi K50 newer):

• 🔌 USB-C → HDMI Adapter with DisplayPort Alt Mode (e.g. Baseus or DisplayPort Alt Mode) UGREEN). These adapters transmit both video and sound without additional drivers.
• 📺 The TV must have a port. HDMI 1.4+ supportive MHL (specify the characteristics of the model).

🔹 For older models (Redmi Note) 9/10, Redmi 8 previously):

• 🔌 MHL-adapter (e.g. Samsung) MHL Requires external power via Micro-USB or USB-C.
• ⚡ Additional cable Micro-USB/USB-C → USB-A to supply power (otherwise the image will be interrupted).

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Attention: Cheap adapters without certification may not transmit sound or work with artifacts. Check the reviews of a particular model before buying.

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If your TV doesn’t support you MHL, use USB-C → HDMI externally powered adapter (e.g, WAVLINK USB3.0 to HDMI). Put him on the hook. USB-Port of TV for stable operation.

2. Set up Xiaomi smartphone before connecting

Before a physical connection, several settings must be activated in the settings. MIUI. Without it, the TV won’t recognize the signal or display a black screen.

📱 Step 1: Enable the Developer Mode

• Go to Settings → About Phone → MIUI version.
• Click on the MIUI version 7 times in a row until you become a developer!

📱 Step 2: Activate the debugging by USB

• Back to Settings → Additionally. → For developers.
• Turn on the debugging switch over USB and confirm the action.
• Activate Allow Debugging (only Charging).

📱 Step 3: Set up image transfer

• In the section For developers find USB-configuration.
• Select File Transfer (MTP) or Image transmission (PTP) — This will allow the adapter to correctly recognize the signal.

Enable the developer mode|Activate debugging by USB|Choose. USB-configuration (MTP/PTP)|Update MIUI last-minute|Disconnect the energy saving for USB-->

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Attention: On some firmware MIUI After connecting the adapter, a request for permission appears USB-If you ignore it, the broadcast won't start!

3. Connection to the TV: step-by-step instructions

Once all the settings are complete, move to the physical connection. Follow the instructions in exact order to avoid errors:

🔧 Step 1: Connect the adapter to your smartphone

• Put it in. USB-C/HDMI Adapter to the smartphone connector. MHL-Adapters pre-connect the power cable.
• If you use DisplayPort Alt Mode, no external power is required.

🔧 Step 2: Connect the adapter to the TV

• Connect. HDMI-cable to the adapter and insert the second end into the port HDMI TV-wise.
• Remember the port number (for example, HDMI 1) - it will be necessary to select the source of the signal.

🔧 Step 3: Select the source of the signal on the TV

• Take the remote and press the Source (or Input) button.
• Select a port. HDMI, plugged-in.

🔧 Step 4: Allow broadcasting on your smartphone

• On the screen Xiaomi Redmi will appear request Allow USB-- Can you confirm.
• If the image does not appear, restart the smartphone with the cable connected.

4. Solving common problems

Even with the right connection, users are faced with common errors, and here's how to fix them:

🚨 Problem 1: Black screen on TV

• 🔄 Reboot your smartphone with a connected cable.
• 🔌 Check if the adapter is getting power (for the MHL).
• 📱 In the developer settings, turn on Disable permissions USB-audio.

🚨 Problem 2: No sound.

• 🔊 On a smartphone in Settings → Select the sound. HDMI output-wise.
• 🔧 Update the TV firmware (on Sony Bravia 2019-2021, sound may not be transmitted without an update).
• 🎧 If the sound is only coming through the phone's speakers, check the cable for damage.

🚨 Problem 3: Image interrupted or lagged

• ⚡ Connect your smartphone to charging (power shortage causes artifacts).
• 📶 Turn off Wi-Fi and Bluetooth on your phone – they can cause interference.
• 🔄 Reduce the screen resolution in the developer settings (minimum width) → 720p).

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If you've turned off your smartphone screen after you've connected it, but you've got the image on TV, that's OK. To get it back on your phone, turn off the cable or press Power. + Volume Up 5 seconds.

5. Alternative streaming methods for Xiaomi Redmi

If USB-The connection is not working or your TV is not supporting MHL, consider alternatives:

🔄 1. Wireless broadcast on Miracast

• 📱 On a smartphone: Settings → Connection and sharing → Wireless display.
• 📺 On TV: Turn on Screen Mirroring (on Samsung) or Miracast (on Xiaomi) TV).
• ⚠️ Delay. ~100–200 ms – not suitable for gaming.

🔄 2. via Google Cast (Chromecast)

• 📱 Install the Google Home app and connect Chromecast to your TV.
• 🎮 Delay. ~50–100 ms, but requires stable 5 GHz Wi-Fi.

🔄 3. USB-C → HDMI externally-powered adapter

• 🔌 Suitable for TV-free MHL (for example, LG OLED C1).
• 💡 Example: WAVLINK USB3.0 to HDMI 4K (requires connection USB-port).

Critical: On Redmi Note 10 Pro and later, wireless streaming via Miracast may not work due to limitations MIUI. In this case, USB-Connection is the only stable option.

6. Streaming optimization for games and video

If you connect Xiaomi Redmi to TV for games or movies, set the following options for better quality:

🎮 For gamers (Call of Duty, PUBG, Genshin Impact):

• 🔧 In the developer settings, install GPU-rendering in OpenGL mode.
• 📊 Activate Turn off window animation (reduces latency).
• 🔋 Connect your smartphone to charging – games quickly drain the battery when broadcasting.

🎬 To watch videos (YouTube, Netflix, Kodi):

• 📺 In the settings of TV, turn on the Game or Movie mode for correct color reproduction.
• 🔊 Select Dolby Digital in Xiaomi audio settings (if supported).
• 📱 In the YouTube app, set the maximum quality (1080p60).

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Attention: During broadcasting DRM-Protected Content (Netflix, Disney)+) through USB There may be an error HDCP. Solution: Use the official Android app TV or Chromecast.

7. Compatibility with different TV sets

Not all TVs work the same way with Xiaomi Redmi USB. Here are the features of popular brands:

📺 Samsung (2018–2023):

• ✅ Supports MHL series-model QLED and CU7000+.
• ❌ The Frame and Serif require an externally powered adapter.

📺 LG (WebOS 4.0–6.0):

• ✅ It works with SlimPort on LG OLED C1/C2.
• ⚠️ Nana LG NanoCell may not transmit sound – update the firmware.

📺 Sony Bravia (Android TV):

• ✅ Compatible with DisplayPort Alt Mode.
• 🔧 In the TV settings, turn on Control HDMI (Settings → External Inputs).

📺 Xiaomi TV (Mi TV 4/5 Pro):

• ✅ Supports MHL Miracast at the same time.
• 🎮 Optimized for gaming – delay <30 miss.

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On TVs. TCL and Hisense 2020-2023 before connecting disable the function AI Picture in image settings - it reduces lags.

FAQ: Frequent questions about broadcasting