A smartphone refusing to recognize a Xiaomi smart TV or the connection dropping during the boot process is one of the most common problems in the smart home ecosystem. Wireless transmission technologies Data streaming services like Miracast, DLNA, or Google Cast require perfect synchronization between devices, and the slightest glitch in the protocol can interrupt the connection. Users often find their TV simply missing from the device selection menu, or the pairing process stuck at "Connecting..."
The main reason is not always a hardware malfunction, but rather software conflicts or incorrect settings. routerThe Android TV system installed on Xiaomi TVs has its own unique way of handling network ports and discovery services. If your phone and TV are on the same network but aren't communicating, you need to run a comprehensive diagnostic, ranging from checking the Wi-Fi signal frequency to resetting the network settings on both devices.
In this article, we'll take a detailed look at why this problem occurs and offer a step-by-step solution. Connection stability The connection depends on many factors, including the firmware version, the type of encryption used, and even physical barriers between the devices. Understanding how a local network works will help you quickly set up video or audio streaming.
Checking network infrastructure and frequency ranges
The first and most critical condition for a successful connection is that the devices are on the same subnet. Users often inadvertently connect their phone to the router's guest network or the 5 GHz band, while their TV operates on 2.4 GHz, and vice versa. Although modern routers can combine bands under a single name (Smart Connect), Xiaomi devices sometimes require manual separation or forced switching to a standard. 802.11n/g to ensure compatibility.
Make sure "AP Isolation" is disabled on your router. This setting prevents devices connected to the Wi-Fi network from communicating with each other, making it impossible for your phone to detect your TV. It's also worth checking if there's a limit on the number of connected devices, as budget routers may struggle to handle streaming traffic with multiple devices.
⚠️ Note: If your router is distributing two networks with the same name (2.4 and 5 GHz), try temporarily renaming one of them and connecting both devices strictly to the same frequency, preferably 2.4 GHz for better range and compatibility with older DLNA protocols.
Additionally, you should pay attention to the type of network security. Encryption protocol WPA3The Wi-Fi module installed in new routers may conflict with the Wi-Fi modules in older Xiaomi TVs. In this case, you'll need to set the router to mixed mode. WPA2/WPA3 or temporarily switch to pure WPA2-PSK (AES).
Xiaomi TV settings and service activation
The Android TV interface on Xiaomi TVs requires manual activation of certain services for external access. By default, the "Cast" feature may be disabled for power saving or privacy reasons. You need to go to the system settings, find the section related to device connections, and ensure the "Enable" switch is enabled. Otherwise, the TV will be invisible to external requests.
Often the problem is solved by updating the built-in application. Chromecast built-in or resetting its settings. Go to the "Applications" section, find the system application responsible for broadcasting, and select "Stop," then launch it again. This will restart the discovery services (mDNS), which are responsible for the device's visibility on the local network.
For users of the Xiaomi ecosystem, it's important to check your Mi Account settings. Cloud syncing can sometimes block local connections if Do Not Disturb mode is enabled on the device or background network activity is restricted. Make sure your TV isn't in power-saving mode, which disables Wi-Fi when idle.
☑️ TV settings diagnostics
If you use third-party apps for casting, make sure they have all the necessary permissions. Android TV has a strict permissions policy, and lack of access to "Local Network" or "Microphone" (for voice search when connected) may block these features.
Protocol and application compatibility issues
Many users try to stream content through standard means, without taking into account that a specific file or application may not support the protocol. DLNAXiaomi TVs work great with Google Cast, but codec conflicts may occur when using Miracast (Wireless Display) from an iPhone or some Android smartphones. In such cases, the image may be transmitted, but there will be no sound.
Third-party aggregator apps like YouTube or Netflix use their own connection algorithms. If the standard "Cast" button in the app doesn't detect your TV, try using the "Connect Manually" feature and entering the code displayed on the TV screen. This bypasses automatic detection, which often fails on congested networks.
| Protocol | Device type | Probability of success | Peculiarities |
|---|---|---|---|
| Google Cast | Android / iOS | High | Requires a Cast-enabled app |
| Miracast | Android / Windows | Average | Depends on the phone drivers |
| AirPlay 2 | iOS / macOS | High | Native support in new Xiaomi models |
| DLNA | Any | Low | Media files only, no mirroring |
It's important to understand the difference between screen mirroring and streaming. Screen mirroring requires the phone to encode the video stream in real time, which places a significant load on the processor and Wi-Fi module. If the phone is old or overheating, the connection will be lost. Streaming via DLNA or Cast downloads the file directly from the server to the TV, bypassing the phone after the start command.
Why does the video lag during broadcasting?
Latency is often caused not by internet speed, but by the Wi-Fi channel's bandwidth. If the router and TV are far apart, or the channel is clogged with neighboring devices, the buffer overflows, and the video begins to stutter. The solution is to use a 5 GHz band or an Ethernet cable.
Software and firmware version conflicts
An outdated version of the TV's operating system is one of the main reasons why a phone won't connect to the TV via Xiaomi Wi-Fi. The company regularly releases security patches and communication protocol updates. If the TV is running Android TV 9 and the phone is running Android 14, incompatibilities in the handshake methods may occur when establishing a connection.
Check for updates in the section Settings → About TV → System updateSometimes automatic updates fail due to errors in Xiaomi's servers. In this case, you can try downloading the latest firmware from the official website to a USB drive and updating the TV manually. This often resolves issues with frozen network modules.
⚠️ Caution: Before updating the firmware, ensure the power supply is stable. Interrupting the process of writing new system files may brick the TV, requiring the memory chip to be resoldered at a service center.
You should also pay attention to antivirus software or firewalls installed on your router or in apps on your phone. They may block ports necessary for operation. UPnP (Universal Plug and Play). Try temporarily disabling protection and see if the TV appears in the list of available devices.
Alternative connection methods and workarounds
If your wireless connection absolutely refuses to work, it's worth considering alternatives. The most reliable option is a cable. For modern Xiaomi smartphones and TVs with a USB-C port, you can use an adapter. USB-C to HDMIThis ensures high-definition signal transmission without lag or compression, which is ideal for gaming or watching 4K content.
Another effective method is to use external adapters. If the built-in Wi-Fi module in your Xiaomi TV fails or is unstable, you can connect a USB Wi-Fi adapter (if the TV model supports external modules) or use a Chromecast or Mi Stick connected to the HDMI port. This will turn any TV into a fully-fledged Android TV box with updated communication protocols.
For advanced users, a method for setting up a static IP address is available. Dynamic address distribution (DHCP) sometimes fails, assigning devices addresses from different subnets. Enter static IP addresses for your phone and TV in the router settings, assigning them to the devices' MAC addresses. This will prevent address conflicts.
Resetting settings and radical measures
Once software methods have been exhausted, the only remaining option is to perform a full network reset. On a Xiaomi TV, this is done through the menu. Settings → Device → ResetSelect the option to reset network settings only to avoid deleting installed apps and accounts. This will clear the DNS cache and reset the Wi-Fi module configuration.
If this doesn't help, try a cold reboot. Turn off the TV using the button on the remote, then unplug the power cord for 2-3 minutes. During this time, the capacitors will fully discharge, and the Wi-Fi module will reboot at the hardware level, clearing any status errors.
In extreme cases, if your phone won't connect to your TV via Xiaomi Wi-Fi, you may need to perform a full factory reset. Keep in mind that this will delete all your data, logins, and installed apps. Before doing this, make sure the router isn't the issue by connecting another smartphone or laptop to the TV.
Is it possible to connect an iPhone to Xiaomi TV without third-party apps?
Yes, modern Xiaomi TVs natively support AirPlay 2. Make sure both devices are on the same network. If the native feature doesn't work, you can use the built-in Mi Remote app or stream via the Chrome browser with Cast.
Why does the phone see the TV, but says “Connection error”?
This is most often a DRM permissions issue. Content from protected sites (movies, streaming sites) may be blocked when attempting to screen mirror due to copy protection. Try using the Cast button within the player app itself, rather than on your phone's screen.
Does internet speed affect Wi-Fi connection?
The speed of the external internet connection doesn't affect the connection of devices on the local network. However, if the router is overloaded with internet distribution to multiple devices, the bandwidth may not be sufficient to establish a handshake between the phone and the TV.
What should I do if Wi-Fi is lost after updating the firmware?
Your regional settings may be out of sync. Go to your system settings and check your region. Some regions (for example, China) may have restrictions on using certain Wi-Fi frequency bands permitted in Europe or Russia. Changing the region often restores the module's functionality.