Modern smartphones, especially popular models Xiaomi Redmi, have powerful multimedia capabilities that you often want to share with others. Viewing photos, videos, or even presentations on a large TV screen isn't just a convenience; it's a standard use case for gadgets in 2026. Wireless data transfer via a local Wi-Fi network allows for streaming images without delays or unnecessary wires, turning your smartphone into a universal remote control.
The process of synchronizing the device Redmi with a smart TV can be done in several ways depending on the operating system of your TV and the version of the firmware shell MIUI or HyperOSThere are standard protocols. Miracast, a technology from Google called Chromecast, as well as a proprietary solution from a Chinese manufacturer - Xiaomi Mi PlayThe choice of a specific method often depends on how modern your equipment is and whether the devices are on the same subnet.
In this article, we'll cover all available connection options in detail, from built-in system features to third-party apps. You'll learn how to set up audio and video streaming, how to fix common connection errors, and why your phone sometimes simply doesn't detect your TV. This guide applies to most Redmi models, including the Note, K, and X series.
Preparing equipment and a Wi-Fi network
Before you begin setting up the broadcast, you need to ensure that the basic requirements are met correctly. The most critical factor is the quality and configuration of the wireless network. Both devices—and the smartphone— Xiaomi RedmiThe device and the TV must be connected to the same Wi-Fi access point. If you have a dual-band router (supporting 2.4 GHz and 5 GHz), it's best to have both devices operate in the same frequency range to minimize latency.
Check the Wi-Fi module status on your TV. Some older Smart TV models may go into sleep mode to save power, making the device invisible to searchers. Enable this feature. Screen Mirroring or "Cast" in the TV menu if it's not enabled by default. On Redmi smartphones, ensure that local network discovery is enabled.
⚠️ Note: If your router is configured with AP Isolation, your phone and TV won't be able to see each other, even if they're on the same network. This option must be disabled in your router settings.
Connection stability directly impacts image quality. When transmitting video at a resolution 1080p or 4K High bandwidth is required. If the network is overloaded by other devices, image stuttering or audio desynchronization may occur. It is recommended to close background downloads on other devices before viewing large files.
Method 1: Using the Xiaomi Mi Play feature
For owners of TVs of this brand Xiaomi, Mi TV or Redmi TV luckier than everyone else, since the ecosystem has implemented a native content transfer protocol. Function Mi Play built directly into the shell MIUI and doesn't require any additional software. It provides the most stable connection and minimal input lag, which is important not only for video but also for interface demonstrations.
To activate, open the notification shade on your Redmi smartphone and find the icon Mi Play (Sometimes called "Broadcast" or "Cast"). If the icon isn't in the quick access menu, click the pencil icon in the edit menu and add it. After turning it on, it will search for available devices on the network. Select your TV from the list.
A connection confirmation prompt may appear on the TV screen. Accept it using the remote control. From this point on, your smartphone's screen will be mirrored on the larger display. It's important to note that in this mode, your phone continues to function, but all activity is mirrored on the TV.
The transmission quality depends on the Wi-Fi signal. Protocol Mi Play Uses a direct connection or local network to transmit high-bitrate data. If you notice compression artifacts, try moving closer to the router. Also, make sure your TV has the latest firmware version. PatchWall.
Method 2: Cast via Google Chromecast
Most modern TVs (Samsung, LG, Sony, Philips) support the technology Google Cast (Chromecast built-in). Smartphones Xiaomi Redmi They have built-in Google services, making this method universal. Unlike Miracast, it doesn't broadcast the screen image, but rather a link to content that the TV downloads automatically, reducing the load on the phone.
To start casting, open the app you want to watch on your TV (e.g., YouTube, Netflix, or the Chrome browser). Look for the casting icon—a rectangle with Wi-Fi waves in the corner. Click it and select your TV. If you don't see the icon, make sure your apps are updated. Google Play Store.
The advantage of this method is that you can minimize an app on your phone, answer a call, or go online, and playback on the TV will continue uninterrupted. In this case, the phone merely acts as a remote control. However, you can't stream your desktop or games this way—that requires a different protocol.
| Characteristic | Mi Play (Miracast) | Google Chromecast |
|---|---|---|
| Transmission type | Screen Mirroring | Streaming (Casting) |
| Phone addiction | High (screen should be lit) | Low (you can use your phone) |
| Game support | Yes (with a delay) | No (only in donor apps) |
| Battery consumption | High | Short |
Method 3: Using Miracast (Wireless Monitor)
If you have a TV without Android TV and not from Xiaomi, most likely it supports the standard protocol Miracast (Wi-Fi Direct). On Redmi smartphones, this feature is often hidden in the "Connection and Sharing" menu or accessed through the device search. In some firmware versions, it's called "Wireless Monitor."
On your TV, you need to launch the application responsible for receiving the signal. It may be called Wireless Display, Screen Share, MirrorShare or simply "Broadcast." After launching, the TV will go into standby mode. On your Xiaomi phone, go to Settings → Connection and Sharing → Broadcast (the path may differ depending on the MIUI version).
The system will begin searching for displays. When your TV's name appears, click it. The connection is established directly via Wi-Fi Direct, bypassing the router. This should theoretically provide good speeds, but in practice, it depends on the quality of the antennas in both devices. There may be a 1-2 second delay before the image appears.
⚠️ Note: When connecting via Miracast, audio from your phone may not be automatically transmitted to the TV. Check the audio settings in the casting menu or change the audio output in the running app.
Third-party applications for complex cases
There are situations when built-in tools Xiaomi Redmi They can't find the TV or it's unstable. In this case, third-party apps from the store can help. Google PlayThey use their own compression and video stream transmission algorithms, often proving more flexible across different TV models.
- 📱 Web Video Caster — one of the best solutions for streaming video files and website streams. The app scans the network, finds DLNA/Chromecast devices, and sends content directly, bypassing phone buffering.
- 📺 TV Cast for Smart TV — a universal tool supporting Samsung, LG, Sony, and Roku protocols. Allows you to stream browser tabs and local files.
- 🎬 LocalCast — a powerful player with a cast function that can adjust codecs on the fly if the TV doesn't support the video format.
Installing such an app takes a couple of minutes. After launching, you'll need to grant permission to access the local network and media files. The next step is standard: select the device from the list and start streaming. Some apps require installing a companion app (receiver) on your TV if it doesn't have built-in protocol support.
Why can third-party applications slow down?
Third-party apps often use software encoding of video streams on the phone's processor, which places a high load. If the Redmi processor gets too hot, the system will throttle down, causing the image to stutter.
Solution: The phone does not see the TV
One of the most common problems is the absence of a device in the list of available devices for connection. If your Xiaomi Redmi If your TV stubbornly doesn't detect your Wi-Fi, check a few critical settings. Often, the problem isn't with your technology, but with your network security settings.
The first thing you should do is reboot your router. A simple network cache reset often resolves issues with IP address assignment and device visibility on the local network. Also, make sure your TV doesn't have a password for the Wi-Fi Direct connection if you're using this method.
The second important point is antivirus software and firewalls. If your router or phone's security settings are set to strict protection, it may block discovery packets that devices send to find each other. Try temporarily disabling the protection to check.
☑️ Connection diagnostic checklist
Optimizing quality and eliminating delays
Even with a successful connection, users may experience poor picture quality or audio desync (when the actor's lips move before the voice). This can be resolved by adjusting the output settings. The Redmi streaming menu often allows you to select the resolution and frame rate.
If your network is congested, try lowering the streaming quality in the source app settings. For example, in YouTube, select 720p instead of 4KDisabling Bluetooth on your phone also helps, as this module operates on the same 2.4 GHz frequency and can cause interference.
For gamers trying to stream games to a TV, input lag can be critical. In this case, a wireless connection via Wi-Fi rarely provides ideal results. However, enabling "Game Mode" in your phone's settings and using a router that supports the standard Wi-Fi 6 can reduce latency to acceptable levels.
Why does the sound disappear when connected?
Often, when switching to an external display, the audio stream remains on the phone. Check the audio settings in the specific app (for example, in a video player) – there should be a button to select the audio output device. Also, make sure the TV isn't muted.
Is it possible to connect a phone to a TV via a USB cable?
Yes, some Redmi models support display output via USB-C (DisplayPort Alt Mode protocol). This requires a special USB-C to HDMI adapter. This provides the best quality and eliminates lag, but requires a dedicated port on the phone (usually found on flagship models).
The broadcast is intermittent, what should I do?
Try moving away from the router or, conversely, closer. Make sure no one else on the network is downloading large files. If the problem persists, reset the network settings on your phone (Settings → Connection and Sharing → Wi-Fi → Manage networks → Reset Wi-Fi settings).
Does the operator charge for broadcasting?
No, data transfer is via your local home Wi-Fi network. Mobile data (3G/4G/5G) is not consumed unless you specifically switch to it. Traffic is charged only according to your home data plan.
Does Redmi 9A/9C/10C support screen mirroring?
Yes, almost all modern Redmi models support the Miracast standard at the system level. However, the processor performance in budget models may limit image quality when streaming heavy games or high-definition videos.