How to turn it on HDMI CEC Xiaomi TV: full instructions with photos and tips

What is it? HDMI CEC Why do you need it on Xiaomi? TV

Technology HDMI CEC (Consumer Electronics Control allows you to control multiple devices through a single remote control, such as turning on a Xiaomi Mi TV TV 4S or Redmi Smart TV with Apple's console TV It's not just convenience, it's a real time saving: you don't have to switch between remotes anymore or find the right button for every gadget.

On Xiaomi TVs feature CEC Anyview Cast is called AnyView Cast.+ (It's supported by most of the brand's devices, starting with Mi. TV 3 (2016) and ending with the flagships of 2026.However, by default the option is often disabled - the manufacturer is afraid of conflicts with other brands (for example, Samsung Anynet).+ or LG Simplink).

In this article you will find:

• 🔍 Step-by-step instructions for different Xiaomi models (including Mi) TV Q2, Redmi TV A2)
• 🛠️ 5 typical problems (no remote control, no synchronization, etc.)
• 📊 Table of compatibility with popular devices (prefixes, soundbars)
• ⚡ Hidden settings CEC, which are not written in official manuals

Does your Xiaomi support you? TV function HDMI CEC?

Before setting up, check if your model has support. CEC. Most Xiaomi TVs are equipped with this feature, but there are nuances:

If your model is not in the table, check the specifications on the official Xiaomi website or in the user manual. CEC Supported, some features may be limited. TV A2 32" Can't send commands to soundbars through ARC/eARC, though CEC menu.

⚠️ Note: On Xiaomi TVs with firmware below MIUI TV 3.0 (released before 2020) function CEC It may not work smoothly. Update the software before setting up!

Step-by-step instruction: how to turn on HDMI CEC Xiaomi TV

Activation process CEC Xiaomi is a little different on different models, but the overall scheme is the same:

1. Connect the device to the TV through HDMI (It is desirable to use a port marked ARC or eARC, if there is one).
2. Turn on the TV and go to the main menu using the remote.
3. Open the settings: On the remotes with the Settings button, press it. On the remotes without a separate button, hold the Home for 3 seconds.

Go to section. CEC

Settings → Devices and Connections → HDMI CEC (or AnyView Cast+)

On older models, the path might look like this:

Settings → Additional → Simplink

Activate the function

On.

Set up the parameters

• 🔄 Auto-on – the TV will start with the connected device.
• 🔊 Sound control – allows you to adjust the soundbar volume through the TV remote.
• 🎮 Game mode – automatically switches TV to low latency when starting the console.

Connect the device to HDMI-marked-point ARC (if)

Update the TV to the latest version

Check the compatibility of the connected device with CEC

Prepare a spare remote (in case of synchronization failure)-->

After inclusion CEC If your TV can request a reboot, you'll agree. If your device (like the Xiaomi Mi Box) didn't respond to commands from your TV remote, try it:

• 🔌 Disconnect and reconnect HDMI-cable.
• 🔄 Reboot both devices (TV and console/soundbar).
• 📋 Check the settings CEC on the connected device (there may also be a switch).

⚠️ Note: On Xiaomi TVs with firmware MIUI TV 4.0+ after-in CEC This automatically activates Device Control, which allows you to control Android consoles. TV (For example, Nvidia Shield) via XiaoAI voice assistant. If you don't need to, turn off the option in the Settings menu. → Voice assistant.

Hidden settings HDMI CEC: What can be customized additionally

Most users are limited to basic activation CEC, But Xiaomi's TVs have hidden options that make it even more convenient to control:

1. Enable Developer Mode: Settings → On TV. → Version. MIUI TV Click on the line with the version 7 times in a row until the notification “You became a developer” appears!".
2. Go back to the main menu and open: Settings → Additionally. → For developers → Settings HDMI
3. You'll find it here: 🔧 Priority CEC — You can choose which device will be the main (television or console). 📶 Debugging CEC — includes a log of commands to diagnose problems. ⚡ Fast switching – reduces delay when changing signal sources. 🔒 Protection against random commands – blocks unauthorized control of TV through the Internet CEC.

One of the most useful hidden menus is the “List of supported teams” CEC". Here you can manually enable or disable individual functions, for example:

• 📺 One Touch Play – Automatic TV turn on when you start the console.
• 🔇 System Audio Control – volume control of external devices (soundbars, AV-receivers).
• 🎛️ Remote Control Passthrough – Transferring commands from the TV remote to connected gadgets.

On Xiaomi TVs with an Amlogic chipset (e.g. Mi) TV 4A 32) hidden settings CEC Allows you to activate protocol support CEC 1.4a, It is better compatible with Apple devices (Apple) TV 4K, HomePod. To do this, you need to include the option "Legacy" in the developer menu. CEC Mode".

Typical problems with HDMI CEC Xiaomi TV and their decisions

Even after the right setup CEC It can malfunction. Here are the most common problems and how to fix them:

If none of the solutions worked, try an alternative activation method. CEC through ADB (for advanced users):

adb shell settings put global hdmi_control_enabled 1


adb shell settings put global hdmi_cec_enabled 1

These teams are forced to include CEC They need a computer with drivers installed to run them. ADB and the debugging on USB TV-wise.

💡

If you have connected a new device (for example, a soundbar) CEC It stopped working, try connecting it to another. HDMI-Some Xiaomi TVs are reserving the port HDMI 1 (ARC) exclusively for audio devices, and CEC It may not be able to send commands to other gadgets.

Compatibility HDMI CEC Xiaomi TV device-wise

Not all gadgets work equally well with CEC Here's a table of compatibility with popular devices:

For maximum compatibility, follow these tips:

• 🔄 Use the cables. HDMI 2.1 – They are better at transmitting signals CEC.
• 📋 Set the priority of devices in the menu CEC (TV should be the main thing).
• 🔧 Update the firmware of all connected devices to the latest version.
• 🚫 Avoid. HDMI-Fluids – They often block commands CEC.

⚠️ Note: If you connect to a Xiaomi TV device with its own protocol CEC (for example, LG Simplink or Philips EasyLink, there may be a conflict. CEC on one of the devices or use HDMI-isolationist CEC (It's sold in electronics stores).

Alternatives HDMI CEC Xiaomi TV

If CEC Does not work or do not cover your needs, consider alternative ways to control your devices:

• 📱 Application Mi Remote (for the Android/iOS) — You can control your TV and connected gadgets via Wi-Fi or infrared. You can download it from Google Play or the App Store.
• 🎮 Universal remotes (e.g. Logitech Harmony) – support macros to manage multiple devices simultaneously.
• 🔊 Voice assistants (Alice, Google Assistant, Siri) – you can configure scenarios for TV and consoles with one team.
• 🔌 Infrared repeaters (e.g. BroadLink) RM4 Pro – duplicate signals from the remote to several devices.

One of the most reliable solutions is a combination CEC + IR port. For example, you can:

1. Turn on the TV and the console through CEC.
2. Use an IR panel to control functions that CEC Does not support (for example, running a specific application on Android) TV).

💡

If you need to manage devices from different brands (e.g. Xiaomi) TV + Samsung Soundbar, the best solution is a universal remote with support for macros or a smart home system (for example, Home Assistant). CEC This will be difficult due to protocol conflicts.

FAQ: Frequent questions about HDMI CEC Xiaomi TV