Introduction: Why and when it is needed
Have you ever wanted to show photos from your vacation on the big screen, run a mobile game on your TV or stream a movie from your phone without unnecessary wires? POCO Supports several ways to display images on the TV โ from wireless technology to classic HDMI-But not all methods are equally convenient: somewhere you need a smart TV with support for Miracast, and somewhere you will have enough conventional cable.
In this article, we will discuss all the current ways to transfer the screen from the phone to the TV, including hidden functions. MIUI, You will learn how to avoid common errors (for example, why the TV can not see the phone through Wi-Fi Direct), what settings to enable on both devices and what to do if the image is lagging. And also โ compare the speed and quality of transmission of each method, so that you can choose the best option for your tasks.
Spoiler: If you have a Xiaomi TV (Mi series) TV, Redmi TV Xiaomi TV A, that's a much simplified process, thanks to the ecosystem, and other brands will have to use universal protocols, but they work consistently, if you know the nuances.
1. Wireless broadcast via Miracast (without router)
Miracast technology allows you to transfer the screen of the phone to the TV directly, without intermediaries in the form of a router or the Internet. This is the most versatile way, as it works on most modern TV (since 2013) and all Xiaomi smartphones based on the Internet. MIUI 9 and newer.
How it works: the phone creates a direct Wi-Fi network with a TV that streams video, and the latency is minimal (about 50 to 100 milliseconds), but the quality depends on the distance between the devices and the presence of obstacles. Maximum resolution โ 1080p 30 frames per second.
- โ Pros: no router, low latency, works without the Internet.
- โ Cons: TV and phone must support Miracast, artifacts are possible with a weak signal.
- ๐ง Requirements: TV with Miracast (or adapter), MIUI 9+ phone-on.
Instructions for connection:
- On your TV, turn on Miracast (in the Network or Wireless Projection menu). TV Path: Settings โ Connection and sharing โ Wireless projection.
- On Xiaomi phone, open Settings โ Connection and sharing โ Wireless projection.
- Select your TV from the list of available devices. Confirm the connection on both screens.
- Now the phone screen is duplicated on TV, and to turn off, pull down the notification panel and hit "Disable projection."
The TV is on and on Miracast standby|
The phone has Wi-Fi and Bluetooth enabled|
The devices are at a distance of no more than 5 meters|
Power saving mode is turned off on the TV (can block the connection)-->
โ ๏ธ Warning: If the TV doesn't appear in the list of devices, try restarting both devices and trying again. LG Miracast is called Screen Mirroring or Smart View.
2. Connect via Wi-Fi Direct (with or without a router)
Wi-Fi Direct is an alternative to Miracast, which also works without the Internet, but with some differences. Unlike Miracast, where the phone and TV connect to each other as two access points, which sometimes gives a more stable signal. However, not all TVs support this protocol directly, often requiring an intermediate device, such as the Xiaomi Mi Box.
The main advantage of Wi-Fi Direct over Miracast is the ability to transfer files (photos, videos) directly to the TV, not just duplicate screens. This is convenient if you want to show a presentation or a family album without unnecessary manipulation.
- ๐ถ With a router: both devices connect to the same network, making it easier to set up.
- ๐ Without a router: the phone creates its own network to which the TV connects.
- โก Speed: up to 250 Mbit / s (theoretically), real - 50-100 Mbit / s.
Step-by-step instructions for connecting via Wi-Fi Direct:
- On the TV, activate Wi-Fi Direct. On Xiaomi TV This is done in the settings โ Network โ Wi-Fi Direct.
- On Xiaomi phone go to Settings โ Wi-Fi โ Wi-Fi Direct (or settings) โ Connection and sharing โ Wi-Fi Direct in new versions MIUI).
- Select the TV from the list and confirm the connection. PIN-code (displayed on the TV screen).
- Once connected, open the gallery or video you want to stream and select the Send to Device option (the screen and arrow icon).
Wi-Fi Direct|Miracast|HDMI-cable|The box (Mi Box, Apple) TV)|Not plugged in.-->
โ ๏ธ Note: On Sony Bravia TVs and some Philips models, Wi-Fi Direct may not work smoothly due to proprietary protocols. In this case, use Miracast or Google Cast (if Android TV is available). TV).
3.Use of Google Cast (Chromecast) to stream content
If your TV is running on Android TV (For example, Xiaomi Mi TV 4S, Redmi Smart TV) Or you have a Google Chromecast, you can use Google Cast technology. Unlike Miracast, it doesn't broadcast the entire screen, but only the content from supported apps (YouTube, Netflix, Google Photos, etc.).
Advantages of the method:
- ๐ฅ Possibility of broadcasting video in 4K HDR (if TV is supported).
- ๐ฑ The phone can be used for other tasks during the broadcast.
- ๐ Low energy consumption (compared to Miracast).
How to set up Google Cast:
- Make sure your phone and TV (or Chromecast) are connected to the same Wi-Fi network.
- Open a supported app (such as YouTube or Google Photos).
- Click on the broadcast icon (usually in the upper right corner) and select your TV from the list.
- So you start playing content on the big screen, and the control stays on the phone.
List of apps that support Google Cast on Xiaomi:
- ๐ฌ YouTube, Netflix, Disney+
- ๐ท Google Photos, Gallery MIUI (2023-update)
- ๐ต Spotify, Yandex Music
- ๐ฎ Stadia, NVIDIA GeForce NOW (cloud-gaming)
๐ก
If the Cast icon doesnโt appear, upgrade to the latest version or check if Wireless projection is enabled in your TV settings.
4. Wired connection via HDMI (for maximum quality)
If you need to transfer the screen from your phone to your TV without delay and in maximum resolution (up to the maximum resolution). 4K@60Hz), The best way to use HDMI-This is true for gamers, designers or people who work with video and need accurate color reproduction.
Connection will require:
- ๐ฑ Xiaomi phone with support USB-C (Micro-USB for older models).
- ๐ adapter USB-C โ HDMI (or micro-USB โ HDMI for Redmi 4/5 series).
- ๐บ HDMI-cable (usually complete with a TV).
Step-by-step:
- Connect the adapter to the phone and then connect it to the TV through HDMI-cable.
- On the TV, select the appropriate HDMI-entrance, HDMI 1 HDMI 2).
- A notification may appear on the phone prompting you to change the display mode, select Duplicate screen or Expand screen (if you want to use TV as a second monitor).
- The image will be transmitted without compression or delay.
| Model phone | Type of connector | Max. HDMI resolution. | Supported adapters |
|---|---|---|---|
| Xiaomi 13/13 Pro | USB-C 3.2 | 4K@60Hz | The original adapter Xiaomi USB-C to HDMI Or third-party with DisplayPort Alt Mode chip |
| Redmi Note 12 Pro+ | USB-C 2.0 | 1080p@60Hz | Any adapter with support MHL SlimPort |
| POCO F5 | USB-C 3.1 | 1440p@60Hz | Chip-based adapters ANX7688 or IT66351 |
| Xiaomi 11T | USB-C 3.2 | 4K@30Hz | Original Xiaomi adapter or certified analogues |
โ ๏ธ Note: On Micro-USB phones (e.g. Redmi) 5A or Redmi Note 4) for output 4K You'll need an externally powered adapter, without it, maximum resolution โ 1080p.
5. Broadcast via the console (Mi Box, Apple) TV, Fire Stick)
If your TV doesnโt support modern wireless protocols, but you have a console (Xiaomi Mi Box S, Apple) TV, Amazon Fire Stick, you can use it as a middleman. It's universal and often gives you better quality than live Wi-Fi.
How it works:
- ๐ฆ The device is connected to the TV through HDMI It works as a separate device.
- ๐ถ The phone connects to the console via Wi-Fi (or through special applications).
- ๐ฅ๏ธ The screen of the phone is duplicated on the console, and she displays the image on TV.
Instructions for Xiaomi Mi Box S:
- Connect the Mi Box to your TV and set it up (connect to Wi-Fi, perform the initial setup).
- On Xiaomi, install the Google Home app (available in the Play Market).
- Open Google Home, find your console in the list of devices and select Translate screen.
- Confirm the broadcasting start. It's about 100 to 150 milliseconds late.
Comparison of broadcast consoles:
- ๐บ Xiaomi Mi Box S: Supports: 4K HDR, Low price, but no Dolby Vision.
- ๐ Apple TV 4K: Best quality (Dolby Atmos, 4K@60Hz), expensive.
- ๐ฅ Amazon Fire Stick 4K: budget option, but requires the installation of third-party applications for Miracast.
How to reduce delay when broadcasting via the console
6. Hidden functions MIUI broadcast
In the firmware MIUI There are some little-known features that make it easier to broadcast the screen to the TV, which you don't always see in the basic settings, but they can come in handy in specific scenarios.
1. Game projection mode
If youโre streaming the game via Miracast or Wi-Fi Direct, turn on this mode to reduce latency:
- Open the Settings. โ Special facilities โ Gamer mode.
- Activate the option to improve performance during projection.
This will disable background processes and increase the GPUโs priority.
2. Broadcasting only sound
If you only need to broadcast audio to your TV (for example, to listen to music via TV speakers), do the following:
- Connect your phone to your TV via Bluetooth (select Bluetooth audio in your TV sound settings).
- In the phoneโs notification panel, click on the media management icon and select the TV as the output device.
3. Configuring the broadcast quality
In the new versions MIUI (14+) You can manually select the resolution and bitrate for wireless projection:
- Go to Settings. โ Connection and sharing โ Wireless projection โ Additionally.
- Select Image Quality (options available: Balanced, High, Maximum).
- For games, Balanced (less lags) is recommended, for video - Maximum.
๐ก
Hidden settings MIUI allow you to optimize the broadcast for specific tasks: for games - to reduce latency, for video - to improve clarity.
7. Solving typical connection problems
Even with the right setup, you can get errors, and here are the most common problems and solutions.
| Problem. | Possible cause | Decision |
|---|---|---|
| TV can't see the phone | Wi-Fi or Bluetooth on one of the devices is disabled | Enable both modules and restart the devices |
| Image lagging or slowing down | Weak Wi-Fi signal or congested network | Connect to 5 GHz network or use HDMI |
| No sound when broadcasting | The wrong sound source is selected on the TV. | Check the TV sound settings (should be selected) HDMI Bluetooth) |
| Low resolution image | Automatic bitrate restriction in MIUI | Manually set the maximum quality in the projection settings |
| Applications are not broadcast (Netflix, DRM-content) | Limitations on copyright protection (HDCP) | Use official apps on TV or HDMI-connection |
If none of these methods work, try resetting the network settings on your phone:
- Go to Settings. โ System system โ Resetting settings โ Reset your Wi-Fi, mobile network and Bluetooth settings.
- After reset, reconnect.
โ ๏ธ Note: On phones with unlocked bootloader and custom firmware, wireless projection may not work stable due to lack of Widevine certificates L1. In this case, use HDMI.