Xiaomi TVs (Mi TV 4/5, Mi TV Q1/Q2, Redmi Smart TV, etc.) support connecting external devices via HDMI, from game consoles to sound systems. However, users often have difficulty switching the signal source: the remote does not respond, the menu does not have the right item, or the screen remains black after connecting the cable. In this article, we will analyze all the current ways to switch to HDMI (including hidden functions), and also solve typical problems from no signal to firmware failures.
It's important to understand that the algorithm of actions depends on the TV model and the version of MIUI TV. For example, in Mi TV 5 Pro you can immediately select the source from the remote, and in budget Redmi TV you sometimes need to press the Home button. We tested the instructions on devices from 2020-2026 and took into account the nuances of different firmware.
1. Standard method: switching over the remote
The most obvious method is to use Xiaomi’s original remote, but even here there are pitfalls: buttons can be called differently, and in some models (such as the Mi TV ES 2022), the source menu is hidden behind additional clicks.
Follow the step-by-step instructions:
- Turn on the TV and wait for the main screen to load.
- Find the Source (or Input) button on the remote, HDMI). It is usually located at the top next to the volume buttons. 💡If the Source button is not present, press Home for 3 seconds – in some models, this triggers the source menu.
- In the list that opens, select the right one. HDMI-port, HDMI 1 HDMI 2 ARC). The port name usually corresponds to the marking on the back of the TV.
- If the connected device (prefix, computer) is turned on, the signal will appear automatically.
⚠️ Attention: In Xiaomi TVs with firmware MIUI TV 3.0+ (2023-2026) The source menu can open with a delay of up to 5 seconds. Do not press the buttons again - this can lead to a failure.
Make sure that HDMI-The cable is connected to the correct port|Check if the external device (prefix, PC) is enabled)|Update the TV firmware to the latest version|Try another one. HDMI-cable (especially if used) 4K@120Hz)
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Alternative method: buttons on the TV body
If the remote is lost, broken or unresponsive, you can switch the signal source using physical buttons on the TV body, and their location depends on the model:
- 📺 Mi TV 4/4S/4A: buttons are on the right side panel under the logo.
- 📺 Mi TV 5 Pro / Q1 / Q2: touch buttons are hidden under the lower frame (you need to swipe your finger from right to left).
- 📺 Redmi Smart TV X: mechanical buttons are located on the back next to the ports.
Switching instructions:
- Find the Source button on the case, and in some models it is combined with the power button, press and hold it for 2-3 seconds.
- With Volume buttons +/– or Channel +/– pick out HDMI-port.
- Confirm the choice with the OK button (or a short press on Source).
⚠️ Note: On Xiaomi TVs with touch buttons (e.g. Mi) TV Q1E) The touches must be sure that the light touches may not work. If the buttons do not respond, try to disconnect the TV from the network for 30 seconds and repeat Attempt.
Switching over Mi Remote (smartphone app)
If the original remote is lost, you can use the official Mi Remote app (available for Android and iOS), which works even if the TV is not connected to Wi-Fi – enough to keep the smartphone and TV on the same network.
Step-by-step:
- Download the Mi Remote app from the App Store or Google Play.
- Open the app and select the Television category → Xiaomi.
- Follow the instructions on the screen to pair (usually required to enter) PIN-TV-screen).
- After connecting, click on the Source (or Input) icon in the application interface.
- Pick the right one. HDMI-port.
🔹 The advantage of the method: Mi Remote has a virtual keyboard that makes it easy to enter passwords (for example, for Netflix or YouTube) after switching to the new device. HDMI.
Original remote | Buttons on the case | Mi Remote|Voice Assistant |Another way
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4. Voice control (for models with Google Assistant)
Xiaomi TVs with Google Assistant support (such as the Mi TV Q2 2023 or Redmi Smart Fire TV) allow you to switch signals with voice.
How it works:
- Activate the voice assistant by saying OK, Google or by pressing the microphone button on the remote.
- Say the command: 🎤 Switch to HDMI 1 🎤 Show me the source. HDMI 2 🎤 Open the port. HDMI ARC (sound-system)
Change the source to HDMI
⚠️ Attention: Voice control only works when you're connected to the Internet. If the TV is offline, use the remote or buttons on the case. Also make sure that the settings include Google Assistant. → Smart home. → Voice assistant).
What commands does Google Assistant support on Xiaomi TV?
5. Problem Solving: No signal on HDMI
If the screen is black after switching to HDMI or if the message No signal appears, check the following points:
| Problem. | Possible cause | Decision |
|---|---|---|
| Black screen after selecting HDMI | Incompatible resolution mode (e.g. 4K@120Hz on old cable) | Switch the external device to 1080p@60Hz or use HDMI 2.1 |
| It says "No signal." | The cable is not fully inserted or damaged. | Check the connection density, try another cable. |
| HDMI-The port is not displayed in the source menu. | Port is disabled in settings or faulty | Reset your TV settings or check the port on another device |
| Sound's there, no image. | Incorrectly selected HDMI mode (for example, PCM instead of Bitstream) | Change the sound settings on the external device |
🔧 Additional steps to troubleshoot:
- 🔌 Reboot the TV: disconnect from the network for 1 minute, then turn it on again.
- 🔄 Reset the settings. HDMI: Go to Settings. → Devices and accessories → Reset HDMI.
- 📱 Update your firmware: legacy software can cause conflicts with external devices. Check the updates in Settings → On TV. → Updating the system.
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6. Features of switching on different models Xiaomi
The interface and button layout may vary depending on the TV series, and the following are key nuances for popular lines:
- 📺 Mi TV 4A / 4S (2018–2020: The Source button on the remote is next to Home. HDMI-ports are designated as AV1, AV2 (despite the fact that HDMI). Support HDMI-CEC limited – autoswitching may not work when the console is turned on.
- 📺 Mi TV 5 Pro / Q1 / Q2 (2021–2026 Y.: The source menu opens with a long press on Home. Supported HDMI 2.1 (4K@120Hz, ALLM, There is a separate Game Mode for consoles (on automatically when connected) PS5 Xbox Series X).
- 📺 Redmi Smart TV X/A (budget models): The Source button on the remote can be called Input. HDMI-Ports are sometimes numbered from the end (for example, HDMI 3 left, HDMI 1 from right) No Dolby Vision support through HDMI (only HDR10).
Important for Mi owners TV Q2 2023: This model implements Quick Wake, which makes the TV unable to see" HDMI-To avoid any problem, turn off the TV for 10 seconds before connecting the console or PC, then turn it on again.
7. HDMI-CEC setup for automatic switching
HDMI-CEC (or Mi AnySee in Xiaomi firmware) allows you to automatically switch the TV to the desired source when you turn on an external device (for example, Xiaomi Mi Box or Apple TV).
- Go to Settings → Devices and accessories → HDMI-CEC.
- Enable the Mi AnySee option (or HDMI management in old firmware).
- Activate the points: 🔘 Auto-Switching of Source 🔘 Management TV from the remote of the device (for example, the console)
Reboot the TV.
⚠️ Note: On certain devices (e.g, NVIDIA Shield function HDMI-CEC It can conflict with proprietary protocols. CEC on an external device or update its firmware.