A situation where a smartphone refuses to transmit an image to the screen Xiaomi Mi TV or Xiaomi Box, is one of the most common problems in the smart home ecosystem. Users often encounter problems with the device simply not "recognizing" the TV, or the connection process being interrupted during the boot process. This can be caused by anything from simple network protocol desynchronization to deeper system conflicts.
The main difficulty is that modern operating systems Android And MIUI for TV use many different media transmission standards. Protocols Miracast, DLNA And Google Cast may be unstable due to router features or power-saving settings. Understanding the specific data transfer mechanism you're trying to use is the first step to successfully resolving the problem.
In this article, we'll take a detailed look at the technical aspects of wireless connections, analyze your router settings, and offer a step-by-step solution. You'll learn how to properly configure Wi-Fi frequency bands, check app permissions, and troubleshoot software glitches that interfere with streaming content from your mobile device.
Checking network infrastructure and frequency ranges
The most common reason why a phone can't find a TV Xiaomi, is when devices are on different subnets or use incompatible frequency ranges. Modern routers often divide the network into ranges. 2.4 GHz And 5 GHzWhile many devices support both standards, some older TV models or specific router settings may block detection between devices on different frequencies.
You need to make sure both your smartphone and TV are connected to the same Wi-Fi network. It's also important to check that the "Guest Network" feature isn't enabled on your router for either device, as this will isolate clients. This option is often available in your router's settings. AP Isolation (Access Point Isolation), which by default prevents devices within the local network from seeing each other.
For stable high-definition video streaming (4K or HDR), the 5 GHz band is recommended, as it offers higher throughput. However, if the distance to the router is large, the 5 GHz signal may be unstable, leading to connection drops. In this case, it's best to switch both devices to the 2.4 GHz band to check basic coverage.
⚠️ Note: Some routers automatically switch devices between frequencies (Smart Connect). If you're having connection issues, try temporarily separating the networks by giving them different names (SSIDs) to force your phone and TV to use the same frequency.
Checking the devices' IP addresses can also provide important information. Make sure both devices have received addresses from the same subnet (e.g., 192.168.1.X). If the TV has an address like 169.254.XX, it hasn't received an IP address from the router and connection is impossible.
Xiaomi TV settings and streaming protocols
TV operating system Xiaomi, whether it's a global version Android TV or Chinese PatchWall, has built-in modules for receiving signals. However, these modules may be disabled or malfunctioning. First, check the status of the built-in application. Cast or Wireless DisplaySome firmware versions require manual permission to access the broadcast.
If you're using a Chinese TV, the built-in Mi Cast feature may not be supported by European or American smartphones due to regional protocol restrictions. In this case, you'll need to install a third-party app, such as AirScreen or TV Cast, which emulates the operation of standard protocols AirPlay And Chromecast.
☑️ TV settings diagnostics
It's important to pay attention to your operating system version. Outdated software may contain bugs that prevent connection. Go to the menu Settings → About TV → System updates and check for new versions. Updates often fix compatibility issues with new versions of Android and iOS.
| Protocol | Purpose | Status on Xiaomi TV | Requirements |
|---|---|---|---|
| Miracast | Screencasting (mirroring) | Built-in (Wireless Display) | Android / Windows |
| DLNA | Transferring media files | Built-in (Mi Video) | Any OS |
| Chromecast | Streaming content from apps | Built-in (Google Cast) | Android / iOS |
| AirPlay | Broadcasting from Apple devices | Often requires application | iOS / macOS |
The function deserves special attention HDMI CEC, which sometimes conflicts with software connection methods. If you previously connected external devices via HDMI, try temporarily disabling HDMI control in your TV settings to eliminate the software conflict.
App conflicts and permissions on a smartphone
Even if the network is configured perfectly, the smartphone itself may block device searches for security reasons. Operating systems Android 10 and above, as well as iOS, require explicit permission for apps to search for devices on the local network. Without this permission, the YouTube or Netflix cast button may simply not appear.
You need to go to your smartphone's settings, find the "Applications" section, select the player you're using or the "Cast" system function, and check the permissions. Access to geolocationThis isn't a bug: Android's Wi-Fi device search is tied to the location service, and without GPS enabled, the phone won't scan the airwaves for TVs.
Why is geolocation needed for Wi-Fi?
Modern versions of Android use Wi-Fi network scanning to determine a device's location. Therefore, the system blocks the search for Chromecast and Miracast devices if location services are disabled, even if you're not using Maps.
It's also worth clearing the cache of the app you're streaming through. Accumulated temporary files can cause network module malfunctions. Go to Settings → Apps → [Your app] → Storage and tap "Clear Cache." This won't delete your data, but it will reset the app's network settings.
If you use third-party screen mirroring apps (eg. Screen Mirroring), make sure they have the "Show on top" permission. Without this permission, the image may be transmitted to the TV but not displayed, or the process may terminate immediately after starting.
The impact of antiviruses and firewalls
Antivirus programs and firewalls installed on your smartphone or router may classify a connection attempt to the TV as suspicious activity. This is especially common on corporate networks or when using complex security settings on home routers (e.g., Keenetic with SkyDNS enabled or Asus with AiProtection).
Try temporarily disabling Wi-Fi protection on your router or adding the MAC address of your TV and phone to the list of trusted devices. In some cases, resetting the network adapter on your smartphone can help. To do this, select [Network settings] in the Android settings menu. System → Reset settings → Reset Wi-Fi, mobile data, and Bluetooth settings.
⚠️ Note: After resetting your network settings, you will need to re-enter the passwords for all saved Wi-Fi networks. Make sure you remember your home network password before performing this operation.
It's also worth checking if you're using a VPN on your phone. When a VPN connection is active, all traffic goes through a remote server, and the phone physically "sees" local devices, such as a Xiaomi TV. Disable the VPN before attempting to connect.
Hardware limitations and signal interference
Physical factors cannot be ignored. Old standard routers 802.11n may struggle to handle high-definition video streaming, causing constant buffering and connection drops. If your router is more than 7-8 years old, it may not have the processing power to handle the streams. Miracast in real time.
Strong sources of electromagnetic interference, such as microwave ovens, baby monitors, or neighboring routers on channel 6, can jam the signal. Try changing the Wi-Fi channel in your router settings to a less congested one (e.g., 1, 11, or 36). You can use specialized scanner apps on your smartphone to analyze channel congestion.
The distance between devices also matters. Video transmission protocols are sensitive to latency. If the phone is in another room behind two solid walls, the signal may be too weak for stable streaming, even if the phone's internet connection is working fine.
Alternative connection methods and solutions
If standard methods don't work, you can always resort to alternative solutions. The most reliable way is to use a physical adapter. Buying an inexpensive one Chromecast or Mi Stick, which is inserted into the HDMI port of the TV, often solves all software problems of the built-in Wi-Fi module, since these devices have more recent Google certifications.
For iPhone users whose TVs don't support AirPlay natively, installing an app is a great solution. AirScreen to the Xiaomi TV itself via the app store. This turns the Android TV into a fully-fledged Apple AirPlay receiver, providing a stable picture and sound.
As a last resort, if all else fails, you can perform a full reset of the TV to factory settings. This will clear all accumulated system errors. Go to Settings → About TV → ResetPlease note that you will need to set up all your apps and accounts again after this.
Frequently Asked Questions (FAQ)
Why does the TV see Wi-Fi but not the phone?
Most likely, the devices are on different subnets or AP Isolation is enabled on the router. Also, check that Bluetooth is enabled on both devices, as it is often used for the initial handshake when connecting.
Is it possible to connect without a router (Wi-Fi Direct)?
Yes, many Xiaomi models support Wi-Fi Direct. Select "Wireless Display" or "Miracast" as the source in the TV menu, and launch the "Cast" feature in the notification bar on your phone. However, the transfer speed may be lower in this mode.
My Xiaomi TV is lagging when streaming video. What should I do?
This indicates a lack of bandwidth. Try lowering the video quality in the source app (for example, from 4K to 1080p) or move closer to the router. Also, close background apps on your smartphone.
How to connect an iPhone to the Chinese version of Xiaomi TV?
Chinese versions often don't have licensed AirPlay. You'll need to find and install an app called "AirPlay" or "Mirror" from the built-in store on your TV (sometimes you need to change the store region to India or Global) or use a third-party media server.