How to turn Miracast on your Xiaomi TV: full instruction with error solutions

What is Miracast and why is it necessary for Xiaomi TV?

Miracast technology allows you to broadcast a smartphone, tablet or laptop screen to a Xiaomi TV wirelessly, using HDMI. It's not just duplicate images, but full video transmission in resolution up to 4K (on supported models) with minimal latency. The main advantage over analogues like Google Cast or AirPlay is the lack of dependence on the Internet connection: devices communicate directly over Wi-Fi Direct.

On Xiaomi Mi TVs TV (series 4A/4S/4X/5/5X/Q1/Q2) redmi TV (including models 2021-2026 Miracast is built into Android-based firmware TV Google TV, But it's often hidden in the back of the menu, and users have problems: the function doesn't activate, the image slows down, the TV just doesn't see the source. In this article, we will analyze all ways of inclusion, from standard to hidden, and also solve typical errors - from "No devices available" to "Connection fails».

⚠️ Important: Miracast only works when protocols are compatible on both devices. MIUI 12+ Support technology out of the box, but the iPhone will require third-party software (like ApowerMirror).

Does your Xiaomi TV support Miracast technology?

Not all Xiaomi models are Miracast-equipped, even if they run on Android TVs.

📺 Series and year of release: All TVs Mi TV 4A/4S/4X (2018–2020), Mi TV 5/5X/Q1/Q2 (2020–2023), and Redmi. TV A/X (2021–2026) Miracast is supported, except for budget models with an Amlogic processor. S905L (Like Mi. TV 4A 32" 2019 year-end).
🔄 Android version TV: Minimum Requirement – Android 9.0 (Firmware) MIUI TV 3.0+). On older versions (for example, Android 8.1 on Mi). TV 3S) Miracast may not be available.
📶 Wi-Fi chip: Requires a Wi-Fi Direct-enabled module (usually Broadcom) BCM43xx or Realtek RTL8xxx). Check in the network settings: if there is a Wi-Fi Direct, then Miracast is most likely working.

🔍 How do you know exactly? Go to Settings. → On TV. → Software version. If there are letters in the firmware number MT (for example, MT9658), Your chip supports Miracast. To check without settings, try to find Wireless Display or Screen Mirroring on the menu.

📊 What model of your Xiaomi TV?

Mi TV 4A/4S/4X

Mi TV 5/5X/Q1/Q2

Redmi TV A/X

Another model

I don't know.

If your TV supports the technology, the easiest way is to activate it via the Android TV interface. The instructions are universal for most models, but the paths may vary slightly depending on the firmware version.

Turn on the TV and press the Settings button on the remote.
Go to Connections and Sharing (or Network and Internet → Wireless Networks on newer versions).
Select Miracast, Wireless Display or Screen Mirroring (name depends on the model).
Activate the slider Enable (or press Start).
On the screen will appear notification “Waiting for connection” – now you can connect the source (smartphone, PC).

⚠️ Note: Some Xiaomi TVs (e.g. Mi) TV Q1 55" 2021) Miracast item is hidden behind an extra menu.If you can't find it, try the path: Settings → Device and preferences → Screen. → Wireless display.

☑️ Preparation for Miracast connection

Make sure that the TV and the source are on the same network (if you use Wi-Fi)Disable VPN on your smartphoneUpdate the TV firmwareCheck the compatibility of devices

Done: 0 / 4

If the standard path didn’t work and you’re confident of Miracast support, try enabling the feature via the service menu, a method that’s suitable for Xiaomi TVs on Amlogic chips (like 2020’s Mi TV 4S 55) or after resetting.

On the remote, tap sequentially: Menu → Settings → All Settings → General → Device Preferences → About.
Find the Build string and quickly click on it 7 times in a row, and a notification will appear “You became a developer”.
Go back to the main settings menu and open a new section for developers.
Scroll down and find options: Wireless Display Certification – turn on; Enable Miracast – activate; Wi-Fi Direct – set to On position.

Power

On Xiaomi TVs with a MediaTek chip (such as the 2023 Redmi TV A55), the engineering menu can block access to Miracast after an update, in which case only the rollback of firmware or the use of alternative protocols (DLNA) will help.

What to do if there is no “Developers” item

If after 7 clicks on the Assembly Number, the section does not appear, then the manufacturer has blocked access. Try resetting the TV to the factory settings (Settings → Device and Preferences → Reset) and repeat the steps. On some models (for example, Mi TV P1), the engineering menu opens through a combination of buttons on the remote: Menu + Volume Down + Power (hold 5 seconds).

Solving Miracast Connectivity Issues

Even if Miracast is enabled, users often encounter errors, and here are the most common ways to fix them:

Mistake.	Reason.	Decision
No available devices	Miracast Disabled at Source or Incompatible Protocols	Check Screen Mirroring settings on your smartphone. On Xiaomi phones: Settings → Connections → Wireless display
Connection fails	Interference at 2.4 GHz or firewall blocking	Switch the router to channel 1, 6 or 11 in Wi-Fi settings. Turn off Mac filtering on the router
Image slows down	Weak Wi-Fi signal or high network load	Bring the devices closer to the router or use 5GHz (if supported).Close background apps on your smartphone
No sound.	The wrong sound source is selected on the TV.	From Settings → Sound → Source, select HDMI ARC or Internal Speakers

🔧 Additional tip: If Miracast is unstable, try to force the permission limit on the source. For example, on Xiaomi smartphones, you can choose the Wireless Display settings. 720p instead 1080p — This will reduce the load on the network.

💡

Before connecting, turn off the power saving mode on your smartphone - it can interrupt the transfer of data over Wi-Fi Direct.

Miracast Alternatives for Xiaomi TV

If Miracast doesn’t work or doesn’t work in your model, use alternative screen broadcasting methods:

📱 Google Cast (Chromecast): Works for all Xiaomi TV Google TV Android TV 10+. Requires connection to one Wi-Fi network. To activate: Settings → Google → Cast.
💻 DLNA: Supported by all Xiaomi TVs, it allows you to stream media files (but not the screen!) through apps like BubbleUPnP or VLC.
🔌 HDMI-cable: A reliable way to do it without delay. Modern smartphones need an adapter. USB-C → HDMI (for example, Xiaomi USB-C to HDMI).
🌐 Streaming through apps: Services like Steam Link (for games) or ApowerMirror (for screen) run over a local network.

⚠️ Note: When using Google Cast on Xiaomi TV firmware-old MIUI TV 4.0 may result in a device not supported error, the solution being to upgrade the TV or use Miracast through third-party applications (e.g. LocalCast).

💡

Miracast is the best choice for games and videos with minimal latency, and Google Cast is more convenient for streaming content from apps (YouTube, Netflix).

Frequent questions and answers

My Xiaomi TV can't see a smartphone through Miracast.

1. Make sure your smartphone has Wireless Display enabled (on Xiaomi: Settings → Connections → Wireless Display). 2. Reboot both devices. 3. Check if the connection is blocking antivirus or VPN on your smartphone. 4. If you are using an iPhone, install the ApowerMirror or Screen Mirroring app from the App Store.

Miracast works, but it's lagging. How do you fix it?

1. Reduce your smartphone’s broadcast resolution (select 720p instead of 1080p). 2. Connect your TV and smartphone to a 5GHz router (if supported). 3. Close all background apps on your smartphone, especially instant messengers and games. 4. If you use Windows, select Optimize for Video mode in Miracast settings.

Can you turn Miracast on your Xiaomi TV without a remote?

Yes, there are two ways: 1. Use the Mi Remote app (available for Android and iOS) - it emulates the remote. 2. Connect the keyboard or mouse over USB/Bluetooth and manage the menu through them. ● To enable Miracast without the remote: Settings → Network → Wi-Fi Direct Wireless Display →

Does Miracast support sound?

Yes, but there are nuances: – On Android devices, sound is transmitted automatically. – On Windows 10/11, you need to manually select a TV as a sound output device (Settings → System → Sound). – On some Xiaomi TV models (for example, Mi TV 4A), the sound can go with a delay – switching to HDMI ARC in the TV settings will help.

How to update your firmware if Miracast doesn’t work because of an older version?

1. Go to Settings. → On TV. → System Update. 2. If the update is not available, download the latest firmware for your model from the Xiaomi Support website (section). TV). 3. Save the file to the flash drive (FAT32), put it in USB-port of the TV and perform manual update (Settings) → Update → Local Update). ⚠️ Don't turn off the TV during the process! if a crash occurs, you may need to flash through the Fastboot.