Xiaomi’s Chromecast Built-in TVs allow you to stream content from your smartphone, tablet or computer directly to the big screen without any additional devices, a technology that is built into most modern Mi TV models (since 2018’s Mi TV 4S), but many users don’t know how to properly activate and use it.
Unlike Google Chromecast external devices, the built-in version works through the Google Cast protocol, which is integrated into the Android TV operating system. However, to work correctly, you need not only to enable the feature in the settings, but also to ensure device compatibility, stable network connection and the right security options. In this article, we will discuss all the steps from initial configuration to fixing typical problems.
If your Xiaomi TV supports Chromecast Built-in, but the feature doesn’t appear on the menu, it could be due to regional restrictions, outdated firmware, or Google services disabled.
How to check if your Xiaomi TV supports Chromecast Built-in
Not all Xiaomi TVs have built-in Chromecast support. To avoid setup errors, first make sure your model is compatible.
- 📺 Android models TV 9.0 And newer -- starting with Mi. TV 4S (2018), Mi TV 4A (2020), Mi TV Q1/Q2, Redmi Smart TV later series.
- 🌍 Regional firmware – the feature may be disabled in some countries (e.g. China) and requires a global or European version of the software.
- 🔄 Updated software – if the TV has not been updated for a long time, the option Google Cast may not be in the menu.
To determine the support accurately, follow the following steps:
- Turn on the TV and go to Settings → About TV → Software version.
- Check the Android TV version, it should be at least 9.0.
- Open Settings → Connections and Sharing → Chromecast Built-in. If there is a point, the function is supported.
If the menu doesn’t have a Chromecast Built-in, but the TV model is compatible, try updating the firmware or changing the region (instruction below). Also make sure the TV is connected to the Internet – without the network, the feature is inactive.
Step-by-step: how to turn on Chromecast Built-in on Xiaomi TV
Activation of the function takes no more than 5 minutes, if you follow a clear algorithm. Importantly, the TV and the device from which the broadcast will be broadcast (smartphone, tablet, PC) must be connected to the same Wi-Fi network. Mobile Internet use (4G/5G) is not supported.
Connect the TV to Wi-Fi
Update Xiaomi TV to the latest version
Make sure your smartphone has Google Home or YouTube app installed.
Turn on Bluetooth on your TV (optional, but speeds up search)-->
Now we move on to the setting:
- Turn on Chromecast in the TV menu: On the remote, press the Settings button. Go to Connections and Sharing → Chromecast Built-in. Activate the Turn on switch.
- Set up device visibility: In the same menu, select Device Settings. Set Visibility for all (or Known Devices Only if you want to restrict access).
Connect your smartphone
- Open the Google Home or YouTube app on your phone.
- Click the broadcast icon (a rectangle with Wi-Fi waves in the upper right corner).
- Choose your Xiaomi TV from the list of available devices.
Once added, the TV will appear in the main Google Home menu.You can now stream content not only from supported apps (like YouTube or Netflix), but also duplicate your smartphone screen through the screen broadcast option.
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If the TV is not on Google Home, try temporarily disabling the VPN on your smartphone – some servers block local connections.
What apps support streaming on Xiaomi TV via Chromecast
Not all apps can transfer content to Chromecast Built-in. Below is a list of proven services that work with Xiaomi TVs:
| Category | Annex | Chromecast support | Notes |
|---|---|---|---|
| Video | YouTube | ✅ Complete. | Broadcasting in resolution up to 4K HDR |
| Video | Netflix | ✅ Complete. | Subscription required |
| Music. | Spotify | ✅ Complete. | Supports background reproduction |
| Photo/Video | Google Photo | ✅ Partial | Only photos and local videos |
| browser | Google Chrome | ✅ Complete. | Broadcast tabs (may slow down) |
To stream the entire screen (mirroring), use the built-in Screen Translate feature in Google Home or Settings → Connections → Chromecast on your smartphone. However, note that mirroring consumes more resources and can lead to delays.
⚠️ Attention: Annexes VK Video, OKKO Amediateca and not officially support Chromecast on Xiaomi TV. Use the built-in versions of these services in Mi to view them. TV App Store.
Frequent problems and their solutions
Even after you set up Chromecast Built-in correctly, you can still experience crashes, and let’s look at the typical bugs and how to fix them:
- 🔴 TV not visible in the list of devices Check that the TV and smartphone are connected to the same Wi-Fi network (not the guest!).Reboot the router - sometimes DHCP-The server does not provide the correct IP-Turn off the power saving mode on your smartphone, it can block background processes.
- 🔴 Broadcast interrupted or slowed: Switch your TV and router to 5GHz (if supported); close your smartphone background apps that consume the Internet; reduce the broadcast quality in your app settings (e.g., YouTube select the following option: 720p instead 4K).
- 🔴 No audio when broadcasting Check if the sound on the TV is turned off (Mute button on the remote). In the Google Home settings, select Device Settings → Sound. → HDMI-CEC and turn on the option.
What if Chromecast turns off on its own?
If none of these things worked, try resetting your network settings on your TV: Settings → Network → Network Reset. Then reconnect to Wi-Fi and turn on Chromecast Built-in.
How to Update the Firmware to Activate Chromecast on Old Xiaomi TV Models
On Xiaomi TVs from 2018 to 2019 (such as Mi TV 4A 32" or Mi TV 4S 55), the Chromecast Built-in feature may not be available due to outdated firmware.
Refreshment methods:
- 🔄 By air (OTA): Go to Settings. → On TV. → System Update. Click Check Updates. If a new version is available, confirm installation.
Manually via USB
- Download the latest firmware for your model from the official Xiaomi Support website.
- Unpack the archive and copy the update.zip file to the flash drive (FAT32 format).
- Connect the flash drive to the TV and select Settings → About TV → Update via USB.
⚠️ Warning: When manually updating, do not remove the flash drive or turn off the TV until the process is complete (may take up to 15 minutes.
After the update, restart the TV and check for Chromecast Built-in on the menu. If it's not, your model may not support the feature at the software level.
How to limit access to Chromecast on Xiaomi TV
By default, Chromecast Built-in allows any device on the same network to connect. If you want to restrict access (for example, to prevent neighbors from streaming content to your TV), use the following settings:
- Open Settings → Connections and Sharing → Chromecast Built-in → Device Settings
- Choose Only for Known Devices.
- Add to the list of allowed only your gadgets (smartphone, tablet, laptop).
Additional security measures:
- 🔒 Change the name of your TV in Google Home settings to make it harder to identify on the network.
- 📶 Use a separate Wi-Fi network for smart devices (guest access with limited rights).
- 🔄 Regularly update the firmware – new versions close vulnerabilities.
If you suspect that a third-party device has connected to your TV, check the list of active connections in Google Home and remove unknown gadgets.
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Turning off Chromecast in public places (hotels, offices) reduces the risk of unauthorized access to your TV.