You want to bring the Xiaomi Redmi Note 10S screen to a big TV, but you don’t know which way to choose? This article will help you understand all the methods available, from wired connection via adapters to wireless technologies like Miracast and Google Cast. We will look at each option in detail, specify the necessary accessories and warn against typical errors.
The Redmi Note 10S (codenamed rosemary) supports modern standards for video transmission, but not all TVs work equally well with mobile devices. For example, older LG or Samsung models may not recognize the signal via USB-C → HDMI, and some Android TVs require additional settings for wireless duplication. In this article, you will find not only instructions, but also a compatibility table, as well as tips for optimizing image quality.
Wired connection via HDMI: maximum quality without delay
The most reliable way to broadcast the screen is to use a wired connection via a USB-C → HDMI adapter.This guarantees minimal latency (important for gaming) and supports resolution up to 4K@30Hz or 1080p@60Hz, depending on the adapter and TV.
Redmi Note 10S is suitable for adapters with a DisplayLink chip (such as WAVLINK USB-C to HDMI) or official accessories from Xiaomi. Importantly, cheap Chinese adapters without certification may not work or give out artifacts. Before buying, check compatibility with MIUI 12/13/14 - some models require a firmware update of the phone.
- 🔌 Step 1. Connect the adapter. USB-C → HDMI Use the original cable or certified accessory.
- 📺 Step 2 Connect the other end of the adapter to the port HDMI Select the appropriate source of the signal on the remote (Source or Input button).
- 📱 Step 3: A notification will appear on your smartphone that the external display is connected. Slip on it and select the duplicating or expanding screen mode.
- ⚙️ Step 4: Adjust the resolution in the settings if necessary: Settings → Display. → Screen resolution.
⚠️ If the image does not appear, check if your TV supports the image. HDCP (Some adapters are blocked when streaming videos from Netflix or Disney+.
Does the USB 3.1 Gen1 adapter support the blue port?
Is HDMI-CEC on the TV on?
Updated to the latest version of MIUI
Is the original cable used (not a cheap fake)-->
Wireless Duplication via Miracast: No Wires and Adapters
Miracast is a wireless screen standard built into Android and most modern TVs.It works without internet but requires support from both devices.The Redmi Note 10S supports Miracast out of the box, but the TV may need to enable a feature manually (like Screen Mirroring or Wi-Fi Direct).
Advantages of the method: no need for cables, suitable for presentations or viewing photos. Disadvantages: possible delays of sound (up to 200 ms) and artifacts with a weak signal. To work steadily, keep your smartphone at a distance of no more than 5 meters from the TV and make sure that there are no obstacles in the way (walls, metal objects).
- 🔄 Step 1: Activate Screen Mirroring on your TV (Samsung: Smart View, on your TV) LG — Miracast. Usually done through settings. → Network → Screen mirroring.
- 📲 Step 2. On your smartphone, open Settings. → Connection and sharing → Screen transmission (or Cast).
- 🔍 Step 3. In the list of available devices, select the name of your TV. Confirm the connection on both devices.
- 🎮 Step 4: For games or videos, turn on Game Turbo mode in the notification curtain to reduce latency.
| Television | Name of the Miracast function | Max, permission. | Delay (MS) |
|---|---|---|---|
| Samsung QLED (2020+) | Smart View | 1080p | 100–150 |
| LG OLED (2019+) | Screen Share | 1080p | 80–120 |
| Xiaomi Mi TV (anything) | Miracast | 4K (compressed) | 60–100 |
| Sony Bravia (2018+) | Display Mirroring | 1080p | 120–180 |
⚠️ Attention: On TVs TCL and Philips older than 2017 Miracast may not work as well due to legacy Broadcom chips.In this case, use Google Cast (see next section).
3. Streaming via Google Cast (Chromecast): for streaming videos
If you only need to stream videos (like from YouTube, Kinopoisk or IVI) rather than the entire screen, it's more convenient to use Google Cast.This protocol is streaming optimized and supports up to 4K HDR resolution on compatible devices. Redmi Note 10S works with Google Cast through embedded apps or third-party services.
This method does not require a physical Chromecast – many modern TVs (such as Android TV or Google TV) support Cast directly, the main condition is that both devices must be connected to the same Wi-Fi 5 GHz network (2.4 GHz can slow down).
- 🌐 Step 1: Connect your smartphone and TV to the same Wi-Fi network. Check on your TV to see if Cast is on (Android) TV This is done through settings. → Devices → Screen transmission).
- 🎬 Step 2. Open a Cast-enabled app (like YouTube or Google Photos) tap the broadcast icon (usually in the upper right corner).
- 📡 Step 3: Select your TV from the list of devices. The video will start streaming automatically.
- ⚡ Step 4: Use your smartphone as a remote control to control playback.
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If the video slows down, try to reduce the bitrate in the app settings (for example, on YouTube, choose 720p instead of 1080p).
List of popular apps with support for Google Cast:
- 🎥 YouTube, Netflix, Disney+ — streaming;
- 📷 Google Photos - Slideshow screening;
- 🎵 Spotify, Yandex Music – Music broadcast;
- 🎮 Steam Link - streaming games from PC.
4. USB Connection: for charging and transferring files
A lesser-known but working way is to connect via USB-C → USB-A cable, which doesn't broadcast a screen in real time, but allows you to view photos/video through a TV's built-in media player, which is suitable if you want to show vacation photos or family videos without using cloud services.
Method limitations: TV must support MTP (media file transfer protocol), and files on smartphone must be in compatible formats (.mp4,.jpg,.png). Video in HEVC (H.265) may not play on older TV models.
- 🔌 Step 1 Connect your smartphone to your TV via cable USB-C → USB-A. Use the port. USB 3.0 on TV (usually blue).
- 📁 Step 2. On your smartphone, select File Transfer Mode (a notification will appear after you connect).
- 🖥️ Step 3: Open a media player on your TV (e.g. Photo/Video on Samsung or Media on your TV) LG).
- 🔍 Step 4. From the list of devices, select your Redmi Note. 10S And find the files you need.
⚠️ Note: Some Sony and Philips TVs do not support MTP through USB. In this case, use DLNA (See the following section or cloud services like Google Drive.
5.Use of DLNA: for broadcasting media over a local network
DLNA (Digital Living Network Alliance) is a protocol for sharing media between devices on the same network. Unlike Miracast, it does not duplicate screens, but only broadcasts selected files. Redmi Note 10S supports DLNA through standard Gallery and Music applications, as well as third-party utilities like BubbleUPnP.
Advantages of DLNA:
It works on most TVs (even older ones).
- No need for additional adapters.
- Supports playlists and folders.
Disadvantages:
- No live screen broadcast.
There may be problems with formats (e.g.,.mkv may not play).
- 🌐 Step 1 Connect your smartphone and TV to the same Wi-Fi network.
- 📱 Step 2. On your smartphone, open the Gallery app, select a video or photo, tap Share → DLNA (or broadcast on TV).
- 📺 Step 3. Turn on the TV function DLNA Media server (on Samsung it is AllShare, on the Internet) LG — SmartShare).
- 🔄 Step 4. From the list of devices on your TV, select your Redmi Note. 10S and confirm the transmission.
How to speed up DLNA transmission?
6. Alternative methods: for specific tasks
If standard methods don’t work, consider these options:
- 🖥️ Through Scrcpy is a software program that controls an Android device from a PC, and if you connect a PC to a TV on a PC, it's a software program. HDMI, And the smartphone, by USB, You can also display the Redmi Note screen. 10S On a large screen with minimal latency, you need to turn on Debugging USB developer-setting.
- 🎮 Through Steam Link (for gamers), the app allows you to stream games from PC to smartphone and then stream them to TV via Miracast or HDMI. Suitable for Genshin Impact, Call of Duty Mobile and Emulators.
Important: When using Scrcpy or Steam Link, the input delay can reach 50–100 ms, which is critical for dynamic games. For competitive shooters (for example, PUBG Mobile), it is better to use a wired connection over HDMI.
7 Problem Solving: What to Do When the Connection Fails
If the screen is not duplicated or the broadcast is interrupted, check these points:
| Problem. | Possible cause | Decision |
|---|---|---|
| No HDMI imagery available | Incompatible adapter or cable | Use a certified adapter with a DisplayLink chip |
| Miracast doesn't find a TV | Wi-Fi Direct is disabled on TV | Turn on Screen Mirroring in your TV network settings |
| Video slows down on Wi-Fi | A weak signal or an overloaded network | Switch to 5 GHz or connect via cable |
| No sound when broadcasting | The wrong sound source is selected on the TV. | Check the HDMI-CEC or Audio Out settings |
If the problem persists, try:
- 🔄 Reboot your smartphone and TV.
- 📱 Update firmware MIUI last-minute.
- 🛠️ Reset network settings on your smartphone: Settings → SIM-maps and mobile networks → Resetting network settings.
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Before buying an adapter, check its compatibility with the Redmi Note 10S on the manufacturer’s website. Cheap, uncertified devices often don’t support 4K or HDR.