Modern Xiaomi smartphones (including the Redmi line and POCO) Samsung TVs support several ways of connecting โ from the classic to the traditional. HDMI-cables to wireless protocols such as Miracast or DLNA. But not all methods are equally stable: somewhere you have to tinker with the settings of the router, and somewhere you just need one cable. In this article, we will analyze all the current ways of connecting, their pros and cons, as well as typical errors that do not duplicate the screen on TV.
If you want to stream YouTube or Netflix videos, show pictures from your vacation on the big screen, or even play mobile games with a gamepad, the choice of method depends on your tasks. For example, HDMI is better for streaming movies in 4K, and Smart View from Samsung is suitable for a quick presentation. We tested all options on Xiaomi 13 Pro, Redmi Note 12 and Samsung QLED QN90C (2023) and Samsung Crystal UHD TU7000 (2020) TVs, summarized in the comparison table below.
Itโs important to consider the Android version on your smartphone: in MIUI 14 and later, the wireless interface has changed, and on older firmware (for example, MIUI 12) some options may be missing. Also check whether your Samsung supports Screen Mirroring feature โ on budget models (TU6500 or AU7000 series), it is sometimes disabled by default.
1. Wireless connection via Miracast (Screen Mirroring)
Miracast is a universal standard for transmitting images and sound over Wi-Fi without a router, built into most Xiaomi smartphones (starting with Redmi 5) and Samsung TVs (since 2016), with the main advantage of no latency (~30ms latency), which is critical for gaming or watching videos.
To activate Screen Mirroring:
- On Samsung TV, open Sources โ Screen Mirroring (or Settings โ General โ External Devices โ Screen Duplication).
- On a Xiaomi smartphone, go to Settings โ Connection and Sharing โ Screen Broadcast (in MIUI 14, the path may differ: Settings โ Screen โ Broadcast).
- In the list of available devices, select your TV. Confirm the connection on both devices.
โ ๏ธ Note: If the TV is not on the list, check it out:
- ๐ Is the firmware on TV updated (in Settings) โ Support โ Update of the PO).
- ๐ถ Power saving mode on your smartphone is turned off (it can block Wi-Fi Direct).
- ๐ On some Samsung models, you need to manually allow the connection in the Screen Mirroring menu (button Allow All Devices").
Disable VPN on your phone
Make sure that TV and phone are on the same network (if you use a router)
Reboot both devices when you first connect
Check if an antivirus (e.g., Avast) is blocking the broadcast-->
Miracast works without the Internet, and devices create a direct hotspot, but if you want to stream content from apps like Netflix or Disney+, you may need to connect to Wi-Fi: some services block playback on uncertified screens, in which case you use HDMI or DLNA.
Why can Miracast slow down?
Connection via HDMI (wired method)
If you need a stable connection without delay (for example, for games or conferences), HDMI-cable is the best choice:
- ๐ฑ adapter USB-C โ HDMI (For the new Xiaomi or Micro-USB โ HDMI (old-model).
- ๐ฅ๏ธ Standard. HDMI-cable 1.4 or 2.0 support 4K@60Hz).
Instructions:
- Connect the adapter to your smartphone and the HDMI cable to your adapter and TV (the port is usually signed by HDMI 1/ARC).
- On the Samsung remote, select the appropriate source of the signal (Source button).
- The phone will have a notification in the notification bar that says you're connected to an external display, and tap it to adjust the resolution.
โ ๏ธ Note: Not all adapters support audio output HDMI. If there is an image but no sound:
- Check if the phone settings enable HDMI audio output (Settings โ Sound โ Sound Output).
- Use an adapter with a DisplayPort Alt Mode chip (e.g. Baseus HDMI Adapter).
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If your phone doesnโt recognize your TV, try restarting both devices with the cable connected, sometimes changing the HDMI port to your TV (e.g., from HDMI 1 to HDMI 2) helps.
Advantages of HDMI:
- ๐ฎ Minimum delay (~10 ms) โ ideal for games with a gamepad.
- ๐บ Support 4K HDR (if the adapter and cable meet the standard HDMI 2.0).
- ๐ Does not drain the battery of the phone (unlike wireless methods).
Disadvantages:
- ๐ฐ You need to buy an adapter (from 500 to 2000 rubles).
- ๐ The wire limits mobility.
3.Using Smart View (Samsung) and Mi Share (Xiaomi)
Smart View (from Samsung) and Mi Share (from Xiaomi) technology allow you to broadcast the screen without third-party applications, but they only work when you connect to the same Wi-Fi network.
Step-by-step:
- On a Samsung TV, open Smart View (button on the remote or in the Settings menu โ General โ Smart View).
- On a Xiaomi smartphone, turn on Mi Share (Settings โ Connection and Sharing โ Mi Share).
- Select the TV from the list and confirm the connection.
โ ๏ธ Note: Smart View does not support secure content streaming (Netflix, Amazon Prime, Disney)+) constraint DRM. Use these services for your own use HDMI or DLNA.
Comparison between Smart View and Miracast:
| Parameter | Smart View (Samsung) | Miracast |
|---|---|---|
| Wi-Fi router required | โ Yes. | โ No (works directly) |
| Delay (latency) | ~100 ms. | ~30 ms. |
| 4K support | โ No (max. 1080p) | โ Yes (depending on the model) |
| Sound. | โ Transmitted. | โ Transmitted. |
| Work with DRM-content | โ No (Netflix, Prime Video) | โ No. |
Wireless (Miracast/Smart View)
Wireless (HDMI)
DLNA/UPnP
Don't connect the phone to the TV.-->
4. Broadcasting via DLNA/UPnP (for media files)
If you just want to play videos, music, or show photos on your TV, rather than duplicate the entire screen, DLNA is a good protocol, which works over a local network and is supported by most Samsung TVs (since 2012).
How to set up:
- Make sure your phone and TV are connected to the same Wi-Fi router.
- On the TV, open the Photos, Videos and Music app or Smart Hub โ Multimedia.
- On a Xiaomi smartphone, install a DLNA server application, for example: BubbleUPnP (for Android) LocalCast (with Chromecast support)
In the app, select a file and send it to the TV.
โ ๏ธ Attention: DLNA It doesn't broadcast the entire screen -- just individual files. It's not suitable for streaming YouTube or the browser. It's also not suitable for some video formats (e.g.,.mkv with codec). HEVC) It may not be on old Samsung TVs.
Advantages of DLNA:
- ๐ฌ Support for playlists and folders.
- ๐ฑ Low energy consumption (compared to Miracast).
- ๐ You can control playback from the phone (pause, rewind).
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DLNA is ideal for viewing personal videos and photos, but is useless for screen duplication or streaming services (Netflix, Twitch).
5. Connection via USB (MTP/PTP)
If you don't. HDMI-adapter, but there is USB-You can connect your phone to your TV in media mode, and this method allows you to view photos and videos stored in your smartphone's memory, but it doesn't broadcast the screen.
Instructions:
- Connect the phone and the TV USB-cable (use the port) USB 2.0/3.0 TV).
- On your phone, select File Transfer (MTP) or Photo (PTP) mode.
- On TV, open Sources โ USB-device.
โ ๏ธ Note: On the new Samsung TVs (2020 A year or later, you may need to install additional reading software. exFAT/NTFS. If the files are not displayed:
- Format your flash drive or phone in FAT32 (but consider the 4GB file size limit).
- Use the USB-C โ USB-A adapter if the port on the TV is outdated.
This method is suitable for:
- ๐ธ Viewing a photo from the phone camera.
- ๐ต Playing music through TV speakers.
- ๐ Presentation display (if files are.pptx or.pdf).
6. Alternative ways: Chromecast and third-party apps
If the built-in methods donโt work, you can use external devices or applications:
- ๐ก Google Chromecast: Connecting to the Google Chromecast HDMI-It's a port of the TV and allows you to stream the screen through Google Home. It works even with older Samsung models.
- ๐ฑ ApowerMirror: an application for screen duplication over Wi-Fi (there is a free version with watermarks).
- ๐ฎ Steam Link: If you need to play mobile games on a big screen (requires PC or Steam Deck).
โ ๏ธ Note: When using Chromecast, some applications (e.g. TikTok or VK Videos may be blocked due to restrictions DRM. In this case, it will only help. HDMI.
Comparison of alternative methods:
| Method | Delay. | 4K support | Cost |
|---|---|---|---|
| Chromecast | ~50 ms. | โ Yes. | 3,000 โฝ |
| ApowerMirror | ~80 ms. | โ No (max. 1080p) | Free (with restrictions) |
| Steam Link | ~20 ms. | โ Yes. | Free of charge. |
7.Typical errors and their solutions
If your phone is not connected to the TV, check the following points:
Problem 1: The TV doesnโt appear in the list of broadcast devices.
- ๐ Reboot both devices.
- ๐ถ Make sure your phone has Wi-Fi on (even for Miracast).
- ๐ง On Samsung TV, check the settings settings โ General. โ External devices โ Screen duplication โ Allow all devices.
Problem 2: Image is there, but no sound when connected via HDMI.
- ๐ In the phone settings, select the output of sound through HDMI (Settings โ Sound. โ Sound output โ HDMI).
- ๐ Try another one. HDMI-port on the television (for example, HDMI 2/ARC).
- ๐ Buy an adapter with sound support (for example, UGREEN USB-C to HDMI 4K).
Problem 3: Image delay in games or videos.
- ๐ฎ For games, use only HDMI โ wireless methods give lags.
- ๐ถ Switch to 5 GHz (if you use Smart View or DLNA).
- ๐ฑ Close the background apps on your phone (they can slow down the broadcast).
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If only part of the screen is displayed on the TV after connecting via HDMI, change the resolution in the phone settings: Settings โ Screen โ Screen resolution โ 1920ร1080.