Why Xiaomi is not connecting to a TV: a complete troubleshooting guide

You try to stream video from a Xiaomi smartphone to the big screen, but the TV stubbornly doesn't see the device — or the connection is constantly disrupted? This problem is familiar to many users, and there can be a dozen reasons for it, from trivial errors in settings to hardware limitations. In 80% of cases, the malfunction is solved in 5 minutes, if you know where to look.

In this article, we will analyze all possible scenarios why Xiaomi (smartphone, tablet or Mi Box) does not connect to the TV. HDMI, Wi-Fi Direct, Miracast, or apps like Mi Screen Sharing, you'll learn how to diagnose a problem by symptoms, which settings to check first, and when to contact the service. And then there’s the list of Xiaomi models that don’t support wireless broadcasting on some TVs (and why it happens).

Let’s start with the simplest: checking the compatibility of devices and basic settings.

1. Compatibility Check: Does your Xiaomi support TV streaming?

Before digging into the settings, make sure your devices are technically capable of interoperability.Not all Xiaomi smartphones support wireless broadcasting (especially budget models), and some TVs block Miracast connectivity due to outdated software.

Here are the key points:

• 📱 Xiaomi smartphones: All flagships (series Mi) 10/11/12/13, Redmi K50/60, POCO F4/5) Miracast and Wi-Fi Direct support, but here's a budget model like Redmi. 9A or POCO M3 You can only stream via Google Cast (if your TV supports Chromecast).
• 📺 TVs: Modern Samsung (with Tizen), LG (webOS), Sony Bravia and Xiaomi TV Problems are more likely to arise with older models (before 2018) or Chinese brands like TCL Miracast-free.
• 🔌 Mi Box/Mi Stick: These devices connect to TV HDMI, But for broadcasting from a smartphone require a separate setting of Wi-Fi Direct (not to be confused with conventional Wi-Fi!).

How to check Miracast support on Xiaomi smartphone:

1. Open Settings → Connection and Sharing → Screen Transfer.
2. If there is a Wireless Display or Miracast item, your device supports the technology.
3. If only Google Cast – broadcast is only possible on TV with Chromecast (or via Mi Box).

Some TVs (e.g. Samsung) QLED 2020-2022) will block Miracast from Xiaomi due to a conflict of security protocols, in which case only Google Cast or a wired connection will help.

2. Basic settings: what to check first

If devices are compatible but the connection is not working, start with these steps:

On a Xiaomi smartphone:

• 🔄 Restart the device. It's trivial, but it helps in 30 percent of cases -- especially if you've tried a connection before that has "hanged».
• 📶 Turn on Wi-Fi and Bluetooth, even if you're on the phone. HDMI, Some features (such as Mi Screen Sharing) require wireless modules.
• 🔒 Turn it off. VPN And firewalls, programs like AdGuard and NetGuard can block local connections.
• 📱 Update the software. Go to Settings. → The phone. → System update. Miracast critical version MIUI 12.5+.

On TV:

• 🔍 Activate device search mode. Search the Network on the TV menu. → Miracast or Screen Mirroring (name depends on model).
• 🔄 Reset your network settings. Sometimes TV remembers old connections and ignores new ones. → General. → Resetting the network.
• 📡 If the TV and smartphone are connected to the same network, but at different frequencies (2.4 GHz and 5 GHz), Miracast will not work.

If after these actions the connection did not work, proceed to the diagnosis of specific ways of connection.

Miracast: Why Xiaomi doesn't see TV

Miracast is the most common way to broadcast wirelessly, but it's also the most capricious. Here are the typical mistakes and their solutions:

Error 1: The device was not found.

• 🔌 The TV doesn't support Miracast. Check the model specifications on the manufacturer's website, LG 2019 NanoCell requires firmware updates to work with Xiaomi.
• 📶 The Miracast creates a direct network between devices, but if there is a lot of interference in the room (other networks, microwaves), the connection can break.
• 🔒 Lockdown MAC-Some TVs (especially hotel ones) restrict connections to the Internet. MAC. Solution: Reset network settings on TV.

Error 2: The connection is cut off after a few seconds

• ⚡ Power saving on Xiaomi. Go to Settings → Battery → Performance mode and select No restrictions for the Screen Transfer application.
• 📡 Wi-Fi Channel Conflict: If the TV and smartphone are connected to the same network but on different channels, Miracast will lag. Solution: In the router, set a fixed channel (for example, 6 for 2.4 GHz).

Error 3: Black screen or artifacts in the broadcast

• 🎮 Permissions mismatch. If the smartphone is broadcasting in 1080p, And TV only supports TV. 720p, You can try to manually lower the resolution in the Miracast settings.
• 🔊 Video codecs. Some TVs don't support H.265 (Solution: in the smartphone developer settings, disable Hardware Codec Acceleration.

If Miracast never worked, try alternative ways to connect.

4. Alternative ways of connecting: HDMI, Google Cast, Mi Box

If Miracast doesn't work, there are at least 4 alternatives.

How to connect to HDMI:

1. Buy an adapter. USB-C → HDMI (For new Xiaomi models or Micro-USB → HDMI (old).
2. Connect the adapter to the smartphone and the other end to the port HDMI TV.
3. On TV, select the appropriate signal source (e.g. HDMI 1).
4. On the smartphone may need to turn on the mode MHL in the screen settings (if supported).

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If HDMI-connection no sound, check if the smartphone is enabled mode Only video in the settings HDMI. Also try another cable – cheap adapters often don’t transmit audio.

How to connect via Google Cast:

• Make sure your TV supports Chromecast (or plug in Google’s console) TV).
• On a Xiaomi smartphone, open an app that supports Cast (like YouTube or Google Photos).
• Click the broadcast icon (📡) and select your TV from the list.

If none of these methods worked, the problem could be software failures.

5. Software failures: resetting settings and software updates

Sometimes the connection doesn't work because of broken settings or outdated software.

Reset network settings on Xiaomi:

1. Go to Settings. → SIM-maps and mobile networks → Resetting Wi-Fi, Mobile Network and Bluetooth.
2. Confirm the reset. After the reboot, try reconnecting.

Update of TV firmware:

• On Samsung: Settings → Support → Update of the PO → Update now.
• Nana LG: Settings → All settings → General. → Update on TV.
• On Xiaomi TV: Settings → About TV → System Update.

Reset the TV to factory settings:

⚠️ Note: This will delete all installed apps and stored data (e.g. Netflix accounts). Use only if other methods have not helped.

1. On Samsung: Settings → General. → Reset → Reset all settings.
2. Nana LG: Settings → All settings → General. → Reset to factory.

Update MIUI smartphone:

• Go to Settings → About the phone → System update.
• If the update is available, download and install it. Miracast's version is recommended for stable operation MIUI 13+.
• If the update doesn’t come, check to see if your region is blocked (for example, global firmware for Redmi Note 10 sometimes suspends updates).

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If the connection worked after the reset, the problem was a conflict of network parameters. To avoid repeated failures, do not connect your smartphone to public Wi-Fi networks (hotels, cafes) before broadcasting on TV.

6. Hardware problems: when to carry in the service

If none of the software methods worked, the problem could be hardware.

On a Xiaomi smartphone:

• 📱 Wi-Fi or Bluetooth is not working. If your smartphone can't see any devices (not just TV), your wireless module may have failed.
• 🔌 Port port USB-C If you're connecting to the HDMI via the adapter, but the TV does not recognize the signal, check the connector on your smartphone - perhaps bent contacts.
• 🔋 CPU overheating: If the smartphone gets too hot when trying to broadcast and shuts down, it may indicate a chipset malfunction (a common problem with the Redmi Note). 8/9 fall-out).

On TV:

• 📺 Port port HDMI Try connecting another source (like a console or laptop) to the same port. If the image doesn't show up, the port burns down.
• 📡 If the TV doesn't see any wireless devices (including Bluetooth remotes), the communication module is the problem.
• 🔌 Signs: TV turns off spontaneously when devices are connected, the screen flickers.

On Mi Box/Mi Stick:

• ⚡ Check the power supply (use the original adapter on the 5V/2A).
• 📶 If the Mi Box can't see the network and other devices can see, reset the settings of the console through Settings. → The device → Reset.

⚠️ Note: If your Xiaomi smartphone falls or gets wet, don’t try to connect it to your TV – it can cause a short circuit in the port USB-C. It is better to take the service for diagnosis immediately.

Cost of repair:

• 🔧 Replacement of Wi-Fi module on a smartphone: 1,500–3,000 ₽ (model-wise).
• 🔌 Port repairs HDMI on TV: 2,000 to 5,000 ₽.
• ⚡ Mi Box power supply replacement: 800–1,500 ₽.

7. Frequent User Errors (and How to Avoid Them)

The experience of the service centers shows that in 60% In some cases, the problem lies in the wrong actions of the user.-5 mistake:

Mistake 1: Trying to connect over different Wi-Fi networks

If your smartphone is connected to a 5GHz router and your TV is connected to 2.4GHz (or vice versa), Miracast won't work. Solution: connect both devices to the same network and frequency.

Mistake 2: Energy saving blocks broadcasting

Xiaomi defaults to an aggressive power saving mode that puts Wi-Fi Direct to sleep. Solution: In battery settings, add the Screen Transfer app to exceptions.

Error 3: Using uncertified cables HDMI

Cheap adapters USB-C → HDMI Often do not support the transmission of video 1080p Solution: Take the labeled cables. HDMI 2.0 and certificate MHL (For older Xiaomi models).

Error 4: Unrenewed software on the Mi Box

Xiaomi Mi Box S often “forgets” settings after updates. Solution: check the software version in Settings before connecting → About the device. Current version is Android. TV 11+.

Mistake 5: Conflict IP-local-network addresses

If two devices on your network have the same IP (So, for example, if the router gave the same address to the TV and the smartphone, the connection would break down. IP attunement.

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Before connecting to Miracast, turn off the dual apps feature on your smartphone (if it is enabled), which some users report solves the broadcast interruption problem.

FAQ: Answers to Frequent Questions