Modern Xiaomi TVs (series Mi) TV, Redmi Smart TV, Xiaomi TV A) support many ways to connect to a smartphone - from the classic HDMI-But which method to choose? It depends on your TV model, your phone operating system, and your goals: streaming video, duplicating screen, or controlling your TV as a smart device.
In this article, we’ll look at 5 proven connectivity methods (including hidden Xiaomi features), compare them in speed, stability, and hardware requirements, and also explain how to fix common bugs like “Device not found” or “No sound when broadcasting.” If you want to not just connect devices, but get the most out of the Mi Home ecosystem, read on.
1. Wireless Wi-Fi connection (Miracast/Google Cast)
The most versatile way that works on all Xiaomi TVs with Android TV (starting with 2018 Mi TV 4) and smartphones with Android 5.0+ or iOS 12+. The technology allows you to broadcast the phone screen to TV without wires, but there are nuances:
- 📶 Miracast is an embedded protocol in Android (duplicates screen 1:1, suitable for games and presentations) and works without the Internet, but requires support on both devices.
- 🎯 Google Cast – streaming individual apps (YouTube, Netflix) through Google Home. Less lag, but does not duplicate the entire screen.
- ⚡ Screen Mirroring is a proprietary option of Xiaomi (similar to Miracast, but with optimizations for the ecosystem).
To connect:
- On TV: open Settings → Connections and Sharing → Screen Mirroring
- On Xiaomi: Lower the notification curtain → Screen projection (or Cast in Google Home).
- Select your TV from the list. Confirm the connection on TV.
Make sure your TV and phone are on the same Wi-Fi network (for Google Cast)|Enable developer mode on TV if Miracast is not located |Update your TV firmware to the latest version |Disable your VPN on your phone (may block broadcasts)
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If the image is slowing down, try it.
- 🔄 Switch from 5 GHz to 2.4 GHz in the Wi-Fi router settings (better penetrates through walls).
- 📱 On Xiaomi phone, turn on Performance Mode in Settings → Special facilities → For developers.
- 🖥️ Turn it off on TV. HDR in screen settings (reduces the lags when broadcasting).
Miracast|Google Cast (Chromecast)|Screen Mirroring (Xiaomi)|I don't know/don't use
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2. HDMI wired connection (for gaming and 4K)
If you want minimal latency (for example, for cloud games Xiaomi Game Center or watching movies in 4K@60fps), wired method is the best choice.
- 📱 Smartphone with video output support (most flagships Xiaomi since the Mi 8).
- 🔌 adapter USB-C/HDMI (Original or certified, such as Xiaomi USB-C to HDMI).
- 🖥️ HDMI-cable (version 2.0 or higher) 4K).
Instructions:
- Connect the adapter to the phone and HDMI-cable - to the adapter and TV (port) HDMI 1/ARC preferably).
- On the TV, select the signal source: HDMI → the corresponding port.
- On the Xiaomi phone, the option to Transfer the image will appear in the notification curtain - choose Duplicate the screen or Expand.
| Model phone | Max, permission. | Support for HDR | Notes |
|---|---|---|---|
| Xiaomi 13/13 Pro | 4K@60Hz | ✅ Yes. | Requires an adapter with DisplayPort 1.4 |
| Redmi Note 12 Pro+ | 1080p@60Hz | ❌ No. | Lags at games (delay ~30 ms) |
| POCO F5 | 1440p@60Hz | ✅ Yes, Dolby Vision) | Best choice for media |
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If your phone doesn't detect your TV through HDMI, try enabling USB Debugging in the developer settings, which sometimes solves the adapter recognition problem.
⚠️ Note: Not all adapters USB-C/HDMI support 4K@60Hz. Cheap Chinese models may limit the resolution of the 1080p Or give out artifacts. Check the certification. HDMI 2.0 pre-purchase.
Connection via Xiaomi Mi Home (for smart management)
If your Xiaomi TV is integrated into the Mi Home ecosystem (Mi TV Q1/Q2 series, Xiaomi TV A Pro), you can control it directly from your smartphone — like a smart lamp or a robot vacuum cleaner.
- 🎛️ Use your phone as a remote control (including voice commands via Alice or Google Assistant).
- 🔄 Automate scenarios (e.g., turn off TV when leaving home).
- 📊 Monitor viewing time and power consumption.
How to set up:
- Install the Mi Home app on your phone.
- Add the TV to the app: Devices → Add → Televisions.
- Follow the instructions on the screen (you will need to connect to one Wi-Fi network).
- After synchronization, the TV will appear in the list of devices - tap on it to control.
Hidden functions:
- 🔍 In Mi Home, you can set Parental Controls to limit viewing time.
- 📱 On Xiaomi phones with MIUI 14+ Quick TV control widget available on the main screen.
- 🎤 Voice commands only work on Chinese firmware (global versions may not support Alice).
How to Enable Hidden Developer Mode in Mi Home?
4. DLNA connection (for media files)
If you need to transfer photos, music or videos from your phone to your TV without duplicating the screen, use the DLNA protocol. It is built into all Xiaomi TVs and works even on older models (Mi TV 3 and later).
Advantages of DLNA:
- 🎵 Support for all popular formats (MKV, MP4, FLAC, JPG).
- 📶 It works without the Internet (local network is sufficient).
- 🔄 Playlists can be broadcasted (e.g. from VLC kodi).
Instructions:
- On TV: Open the Media Player app or Mi Media Center.
- On the phone: install it. DLNA-server (e.g. BubbleUPnP or LocalCast).
- In the application, select files for broadcasting and specify the TV as the output device.
⚠️ Attention: DLNA supportive DRM-Secure files (such as movies downloaded from Netflix or Movie Search) for which you can use Google Cast.
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DLNA It is ideal for viewing local media files, but not for screen duplication or games. HDMI.
5. USB connection (for firmware or files)
A lesser known method that will be useful in two cases:
- Update the firmware TV through USB (if OTA-update is not working).
- Viewing photos/video directly from your phone (like a flash drive).
How to connect:
- 🔌 Use the cable. USB-A → USB-C (complete with a phone).
- 📱 On Xiaomi phone, select File Transfer Mode (MTP) plug-in.
- 🖥️ On the TV, open the Media Player. → USB-device.
Important for firmware:
- Download the official firmware for your model from the Xiaomi Support website.
- Unpack. ZIP-root-file USB-storage device (not in the folder!).
- On TV: Settings → About the device → Software Update → Update via USB.
What if the TV can’t see your phone through USB?
6. Solving Connection Problems
Even with the right settings, you can get errors.-5 problems and solutions:
| Mistake. | Reason. | Decision |
|---|---|---|
| Device not found (Miracast) | Different Wi-Fi networks or Miracast disabled on TV | Reconnect both devices to the same 2.4 GHz network |
| No sound when broadcasting | On the phone selected another audio output | In the notification curtain, press the Sound → TV |
| Lags and brakes | Weak Wi-Fi signal or network congestion | Disconnect other devices from the router or use a wired connection |
| HDMI: No signal. | Incompatible adapter or cable | Check HDMI 2.0 support for adapter features |
| The app is not broadcast (Google Cast) | The app does not support Cast | Use Screen Mirroring instead of Cast |
Critical information: Xiaomi TVs with firmware below MIUI TV 3.0 (released before 2020) may not support Google Cast. In this case, use Miracast or update the software via USB.
If nothing helps:
- 🔄 Reset your network settings to TV: Settings → Network → Drop it.
- 📱 On Xiaomi phone, clear the cache of Google Play Services and Miracast apps.
- 🖥️ Update your TV firmware to the latest version (via Settings) → About the device).