How to stream video from a Xiaomi Redmi phone to a TV via Wi-Fi: all the working methods

Modern smartphones Xiaomi Redmi allow you to stream video to a large TV screen wirelessly - quite stable Wi-Fi connections and the correct settings. However, many users encounter problems: video is lagging, the sound lags behind the picture, or the TV simply doesn't recognize the phone. In this article, we'll look into all current methods transfer of content from Redmi on TV, including hidden MIUI features, and we'll also solve common issues—from no signal to low broadcast resolution.

Feature of phones Xiaomi And Redmi — built-in support for multiple wireless transmission protocols: Miracast, DLNA, Google Cast and branded Xiaomi Smart ShareBut not all of them are equally stable. For example, Miracast can glitch on older TV models, and DLNA doesn't always play high-definition video correctly. We tested each method on various devices and identified the optimal settings for smooth streaming.

If your TV doesn't support Smart TV, don't rush to buy additional adapters. In 80% of cases, the problem can be resolved with a firmware update. Redmi or by changing the transmission protocol. And for owners Xiaomi TV There is a bonus - an exclusive feature Mi Screen Mirroring, which works faster than its analogues.

⚠️ Important: Before setting up, check that your phone and TV are connected one Wi-Fi networkIf you are using a dual-band router (2.4 GHz + 5 GHz), prioritize the network 5 GHz - it provides lower delays during broadcasting.

1. Method: Miracast (Screen Mirroring) - a universal protocol for all TVs

Miracast — is a wireless screen sharing standard supported by almost all modern TVs (since 2013) and smartphones Xiaomi RedmiThe advantage of this method is minimal latency (up to 50 ms), which is critical for games and videos. However, Miracast has its drawbacks: it requires a powerful Wi-Fi router and can be slow if the signal is weak.

To activate Miracast on Redmi, follow the steps:

  1. Open Settings → Connections and Sharing → Screen Sharing.
  2. Select an item Wireless display (Miracast).
  3. Turn on the device search - your phone will start scanning for available TVs.
  4. Select your TV's name from the list. If it's not there, update your TV or router firmware.

⚠️ Attention: on some models Redmi (For example, Redmi Note 8 Pro) The Miracast function is hidden. To unlock it, activate it. developer mode and turn on the option Wireless Display Certification V Settings → About phone → MIUI version (press 7 times).

If your TV does not appear in the list, check:

  • 🔄 Software updates on TV and smartphone (Miracast may not work on older versions).
  • 📶 Wi-Fi signal quality: Miracast requires a speed of at least 15 Mbps.
  • 🔒 Router firewall: sometimes blocks multicast traffic (disable it during setup).

Phone and TV are on the same Wi-Fi network | Miracast is enabled in the TV settings | Screen Sharing is enabled on the phone | Router supports 5 GHz (recommended) -->

2. Method: Xiaomi Smart Share – a proprietary technology for the Mi ecosystem

If you have a TV Xiaomi Mi TV or another gadget from the ecosystem Mi (For example, Mi Box), use Xiaomi Smart ShareThis protocol is optimized for the brand's devices and provides more stable streaming than Miracast. The main advantage is support 4K HDR and minimal sound delays.

Connection instructions:

  1. On the phone Redmi open the application Mi Remote (if you don't have it, download it from Google Play).
  2. Go to the tab Smart Share (or Screen in new versions).
  3. Select your TV from the list. If it is not there, click Add a device and follow the prompts.
  4. Confirm pairing on TV (you may be asked to enter a PIN).

⚠️ Attention: Xiaomi Smart Share Only works with devices on MIUI 12 and laterIf you have an old firmware, update it via Settings → About phone → System update.

Advantages Smart Share before Miracast:

ParameterXiaomi Smart ShareMiracast
Max. permission4K @ 60 Hz1080p @ 30 Hz
Sound delay~30 ms~50 ms
HDR supportYesNo
Required Wi-Fi speedFrom 10 MbpsFrom 15 Mbps

3. Method: DLNA - for playing media files without screen mirroring

DLNA (Digital Living Network Alliance) is a protocol for streaming media files (video, music, photos) from a phone to a TV without mirroring the entire screen. Unlike Miracast, it only transmits the content, not the smartphone interface. This reduces network load and latency.

How to set up DLNA on Redmi:

  1. Make sure the DLNA server is enabled on your TV (usually in the Network → DLNA or Multimedia).
  2. Install a media server application on your phone, for example BubbleUPnP or LocalCast.
  3. Open the app, select the video and press Play on..., then indicate your TV.

Advantages of DLNA:

  • 🎬 Support for most video formats (MKV, MP4, AVI).
  • 📶 Less load on Wi-Fi compared to Miracast.
  • 🔄 Ability to control playback from your phone (pause, rewind).

Cons:

  • ❌ No screen mirroring (you can't show games or apps).
  • ❌ Some TVs require additional port configuration on the router (UPnP must be enabled).

How to enable UPnP on a router?

Open your router's control panel (usually at 192.168.1.1 or 192.168.0.1). Go to the section Local Area Network → UPnP and activate the option. Save the settings and reboot the router.

4. Method: Google Cast (Chromecast) - for Android TV and Smart TV

If your TV is running on Android TV (For example, Sony Bravia, Philips with Google TV) or connected to a set-top box Chromecast, use Google CastThis method allows you to stream videos from supported apps (YouTube, Netflix, Kodi) directly to your TV without screen mirroring.

How to set up Google Cast on Redmi:

  1. Make sure your phone and TV are connected to the same Wi-Fi network.
  2. Open an app that supports Cast (e.g. YouTube or Google Photos).
  3. Click on the broadcast icon (usually in the upper right corner) and select your TV.

List of popular apps with Google Cast support:

  • 🎥 YouTube, Netflix, Disney+
  • 🎵 Spotify, Google Play Music
  • 📷 Google Photos, VLC

⚠️ Attention: If the video is lagging when streaming via Google Cast, try:

  • Switch to range 5 GHz in the Wi-Fi settings.
  • Close background applications on your phone (especially instant messengers and games).
  • Enable it in your router settings. QoS (Quality of Service) and set traffic priority Redmi.

5. Method: USB-C cable → HDMI (for maximum quality)

If your Wi-Fi connection is unstable or you need to stream video in 4K @ 60 Hz without delay, use wired connection via adapter USB-C → HDMIThis method guarantees minimal latency and supports all video formats, including HDR10+ And Dolby Vision.

What you will need:

  • 🔌 Adapter USB-C to HDMI (For example, Baseus or original from Xiaomi).
  • 📺 HDMI cable (better version) 2.0 or newer).

How to connect:

  1. Insert the adapter into the port USB-C on Redmi.
  2. Connect the adapter to the TV using an HDMI cable.
  3. On your phone, select the screen sharing mode (usually a notification appears after connecting).

⚠️ Attention: on some models Redmi (For example, Redmi 9 or Redmi Note 10) port USB-C Doesn't support video output. Check your model's specifications on the official website. Xiaomi.

6. Troubleshooting: Video is lagging, there is no sound, or the TV doesn't recognize the phone

Even with proper setup, errors can still occur. Let's look at the most common ones and how to fix them:

Problem 1: Video is slow or choppy

  • 🔄 Solution: Switch from 2.4 GHz on 5 GHz in the Wi-Fi settings.
  • 📉 Reduce the broadcast resolution (in Miracast or Smart Share settings).
  • 🚫 Close background apps on your phone (especially those that use the internet).

Problem 2: No sound during broadcast

  • 🔊 Check if the sound is muted on your TV or in your phone settings.
  • 🔄 Restart the broadcast (sometimes the sound is “picked up” after reconnecting).
  • 🎧 If you use Miracast, try a different protocol (for example, DLNA).

Problem 3: The TV doesn't detect the phone

  • 🔄 Restart both devices and the router.
  • 📱 Update the firmware on Redmi and TV software.
  • 🔍 Make sure the TV is in the "Off" mode. Screen Mirroring or Miracast.

Miracast (Screen Mirroring)|Xiaomi Smart Share|DLNA|Google Cast (Chromecast)|Wired Connection (HDMI)|Other-->

7. Optimize Wi-Fi for stable streaming

Streaming quality directly depends on your Wi-Fi network settings. The following recommendations will help reduce latency and avoid video stuttering:

1. Select the correct Wi-Fi channel

  • Open your router control panel and change the channel to a less busy one (use apps like WiFi Analyzer for ether analysis).
  • For 5 GHz choose channels 36–48 or 149–165 (they are less susceptible to interference).

2. Enable QoS (Quality of Service)

  • Find the section in your router settings QoS and set the maximum priority for the MAC address of your Redmi.
  • If there is no QoS, limit the speed for other devices on the network (for example, for torrent clients).

3. Use a Mesh system or repeater

  • If the TV and phone are in different rooms, a weak signal can cause lag. Install Mesh router (For example, Xiaomi Mi Mesh) or signal repeater.

FAQ: Frequently asked questions about streaming from Xiaomi Redmi to TV

Is it possible to broadcast the screen? Redmi on TV without Wi-Fi?

Yes, there are two ways:

  1. Wired connection via adapter USB-C → HDMI.
  2. Miracast in Wi-Fi Direct mode (some models Redmi support creating a direct connection to the TV without a router). To do this, go to the settings Screen sharing select Wi-Fi Direct.
Why are video and audio out of sync when streaming via Miracast?

This is a typical Miracast issue related to video encoding delays. Solutions:

  • Try a different protocol (eg. Xiaomi Smart Share or Google Cast).
  • Reduce the broadcast resolution to 720p.
  • Connect your phone to the router via cable (if the router supports it) USB-tethering).
How to stream video from Redmi on an old TV without Smart TV?

If you have a TV without Wi-Fi, use:

  • Miracast adapter (For example, Microsoft Wireless Display Adapter), which connects to the TV's HDMI port.
  • Android TV set-top box (For example, Xiaomi Mi Box S), which will add Smart TV support.
  • Wired adapter USB-C → HDMI (if the TV has HDMI input).
Is it possible to stream games from Redmi on TV without lags?

For games, minimal latency is critical (<30 ms). Optimal methods:

  • Wired connection through HDMI (delay ~10 ms).
  • Xiaomi Smart Share (delay ~30 ms, but only for Mi TV).
  • Steam Link (if you play Steam-games through Redmi).

❌ Miracast and DLNA are not suitable for gaming due to high latency (>50ms).

How to enable screencasting on Redmi, if there is no "Screen Transfer" option?

On some models (eg, Redmi 7 or Redmi 8A) the function is hidden. To activate it:

  1. Activate developer mode (click 7 times on MIUI version V Settings → About phone).
  2. Return to Settings → Advanced → For developers.
  3. Find the option Wireless Display Certification and turn it on.
  4. Restart your phone - item Screen sharing will appear in Settings → Connections.