You want to stream Redmi 9A videos to the big screen, but you don't know how to do it quickly and without lag? Connecting your smartphone to your Xiaomi TV opens up a lot of possibilities, from watching high-resolution movies to streaming games or showing photos to friends. But not all of them are equally convenient — you'll need additional hardware somewhere, and somewhere there's enough built-in features.
In this article, we will discuss 5 Redmi's proven synchronization methods 9A Xiaomi TV, including Mi models TV 4A/4S/5 Pro and others), point out typical errors and give recommendations for setting up for minimal delays, especially wireless protocols (Wi-Fi Direct, Miracast) and wired connections (HDMI, USB), Compatibility with different versions MIUI PatchWall.
Spoiler: If your TV supports Google Cast (as in the new Xiaomi TV Q2/Q1E), it will take less than a minute to process. For older TVs without Smart features, you will have to use adapters - but there are nuances that you will learn more about.
1.Preparation: What to check before connecting
Before choosing a connection method, make sure your devices meet the minimum requirements, which will save time and save you from frustration.
Requirements for Redmi 9A:
- 📱 Version. MIUI at least 12.0 (for stable Miracast operation) Check: Settings → The phone. → Version. MIUI.
- 🔋 Battery charge ≥ 30% (with wireless transmission, energy consumption increases by 20-30%).
- 📶 Active Wi-Fi or mobile internet (for some methods).
Requirements for Xiaomi TV:
- 📺 PatchWall models (e.g. Mi) TV 4A 32" and later) support Miracast and Wi-Fi Direct "out of the box".
- 🔌 Availability of a free port HDMI (for a wired connection) or USB (for some adapters).
- 🔄 Updated TV firmware (checked in Settings) → On TV. → Update of the PO).
Critical Feature: Redmi 9A It does not support Wi-Fi 6, so when connecting to TV with Wi-Fi 6 (e.g. Xiaomi) TV Q2 2023) video stuttering may occur, so the solution is to force the router to Wi-Fi 5 mode (802.11ac).
2. Method 1: Wireless broadcast over Wi-Fi (Miracast)
This is the most versatile method for modern Xiaomi TVs, requiring no additional devices. Miracast allows you to duplicate the screen of a smartphone on a TV with minimal latency (up to 100 ms), but there are nuances with resolution and sound.
Step-by-step:
- On Redmi 9A, open Settings → Connection & Sharing → Broadcast (or Wireless Display in older versions of MIUI).
- On Xiaomi TV, go to Settings → Connection and Sharing → Miracast (or Wireless Display).
- In the list of available devices on your smartphone, select the name of your TV (for example, Xiaomi-MiTV-4A-1234).
- Confirm the connection on both devices (entry may be required) PIN-code).
Possible problems and solutions:
- 🚫 No sound: Some Xiaomi TVs have separate audio transmissions. Check the audio settings in the stream menu on your smartphone.
- 🐢 Lags when watching video: Reduce the broadcast resolution to 720p in Miracast settings or reconnect to the router at 5 GHz.
- 🔴 Connection breaks: Turn it off VPN on your smartphone and make sure that the TV and phone are connected to the same Wi-Fi network.
Make sure TV and phone are on the same Wi-Fi network|
Turn off Bluetooth on both devices |
Close the background applications on Redmi 9A|
Check for updates MIUI PatchWall-->
⚠️ Attention: If your Redmi is 9A And when you connect, it gets really hot, and that's normal -- you're using a GPU when you're broadcasting.°C (can be checked in the annex) CPU Monitor, interrupt the session and let the phone cool down. 3. Method 2: Connect via HDMI (wired method) For stable video transmission in resolution 1080p or 4K (If the TV supports, it is better to use it. HDMI-This is a way to watch movies, games or presentations where minimal latency is important: 🔌 adapter USB-C → HDMI (for example, Xiaomi USB-C to HDMI Adapter or universal from Baseus). 📺 HDMI-cable (usually included with TV). ⚡ Charger (it is recommended to connect the smartphone to the network during use). How to connect: Connect the adapter to the port USB-C on the Redmi 9A. One end. HDMI-Insert the cable into the adapter, the other into the port. HDMI On the TV remote, select the source of the signal (Source or Input button) and select the appropriate one. HDMI-You may have a request for permission to transmit an image on your smartphone, confirm it. 🎮 Minimal delay (ideal for gaming) 💰 Purchase of an adapter is required (~1000–2000 ₽) 📶 No dependency on Wi-Fi. 🔌 Takes up the charging port on the phone 🎥 Support 4K@30Hz (If the TV and adapter are compatible) 📱 The phone's running out fast. 💡If the TV image is cropped at the edges, go to Screen Settings on Redmi 9A Select the screen size mode instead of stretching. 4. Method 3: Using Google Cast (Chromecast) If your Xiaomi TV supports Google Cast (e.g. Android models) TV or PatchWall 3.0+), You can stream content from apps like YouTube, Netflix or Google Photos directly, without dubbing the entire screen. 9A You can use the same Wi-Fi network. On TV, open an app that supports Cast (like YouTube (📡) In the app on your smartphone, select your TV from the list. Use the entire Google Home:1 app to stream your screen. → Select your TV. 2. tap "Translate screen/audio" → "Broadcast the screen. Restrictions: 🚫 Not all applications support Cast (e.g. TikTok or Cast). VK Videos cannot broadcast content on TV). 🔊 The sound is transmitted only through TV (on the smartphone there will be silence). 📱 Some games, for example, PUBG Mobile) blocking broadcasts due to cheating protection. ⚠️ Note: If the video is slowing down while streaming via Google Cast and the sound is normal, the problem is codecs. Try turning on Auto mode (recommended) in your TV settings to decode. 5. Method 4: Connection through USB (MHL) Few people know, but Redmi. 9A protocol MHL (Mobile High-Definition Link, which allows video transmission over the Internet USB. But it requires a special adapter and a compatible TV: 🔌 adapter MHL → HDMI (for example, Xiaomi MHL Adapter). ⚡ Power supply 5V/2A (Without power, the adapter won't work). 📺 Supported TV MHL (Check the TV instructions. Instructions: Connect the adapter to the port USB-C on the Redmi 9A. Connect. HDMI-cable to adapter and TV. Connect the power supply to the adapter (without this, the image will not appear!). On TV, select the source. HDMI (may be called MHL). Important: Redmi 9A supportive MHL only 1080p@30Hz. For 4K This is not a good method. Some adapters may not work because of lack of support. USB-C (You need a micro-USB adapter. MHL Does not work with some Xiaomi TVs? some Xiaomi models TV (Like Mi. TV 4A 43" 2018 of the year) have ports HDMI supportless MHL, It's a hardware limitation, check the compatibility of your TV on the adapter manufacturer's website. 6. Method 5: Alternative methods (DLNA, Third-party applications) If none of the above methods is suitable, you can use DLNA Or specialized streaming apps. 1: DLNA (media-file) 📁 Set it on Redmi. 9A Application server, such as BubbleUPnP or Plex. 📺 On TV, open a built-in media player (such as a Gallery or Video) and select your smartphone as the source. 🎵 This method is only suitable for photos, videos and music - screen broadcasting is not possible. Option 2: Applications for mirroring 📱 Popular apps: ApowerMirror, TeamViewer, Screen Mirroring. 🔗 Most of them require the installation of a server part on TV (via the Internet). APK or Google Play). ⚠️ Free versions often have watermarks and a session time limit.Option 3: Through router with USB-Some routers (for example, Xiaomi Mi Router) 4A Gigabit have USB-port for external drives. You can: Download files from Redmi 9A You can use a flash drive to connect the flash drive to the router, open files on the TV through the network storage (DLNA Samba). 💡DLNA — Best choice for viewing local media files, but not suitable for screen duplication or streaming games. 7. To make it easier to choose, we've created a table with the pros and cons of each method, and you need to be mindful of your own problems: do you want to stream the entire screen or just individual files, do you need minimal latency, and are you willing to buy additional accessories. Dop Delay Method. Suitable for Miracast Medium (100–200 Until 1080p No. 🎥 Films, presentations HDMI Minimum (20–50 Until 4K@30Hz adapter (~1000 ₽) 🎮 Games, high quality videos Google Cast High (200–500 Until 1080p No. 📺 Streaming from apps (YouTube, Netflix) MHL (USB) Low (50–100 miss) 1080p@30Hz adapter + feed-in (~1500 ₽) 📱 Old TV without Smart-functions DLNA No (media files only) Original No 🎵 Music, photo, local video For most users, the best solution is Miracast (if TV supports) or HDMI (Google Cast is easy to stream, but not universal. MHL and DLNA — more reserved. 8. Frequent errors and solutions Even with the right connection, problems can arise. We've collected the most common errors and ways to fix them. Problem 1: TV doesn't see Redmi 9A miracast 🔄 Reboot both devices. 📶 Make sure they are connected to the same Wi-Fi network (not the guest network!). 🛠️ Update the firmware of the TV and MIUI smartphone. 🔌 Turn off the power saving function in the network settings on TV. Problem 2: When connecting via HDMI no image 🔄 Try another one. HDMI-port. 🔌 Check that the adapter is tightly inserted into USB-C port. 📱 On the Redmi. 9A In the screen settings, select the mode HDMI (if such a clause exists). 🔋 Connect your smartphone to charge -- some adapters require additional power. Problem 3: The sound is only coming through your phone, not through TV. 🔊 In the broadcast settings on your smartphone, turn on the option to Transmit sound. 📺 Check that the right sound source is selected (HDMI or External). 🔄 Reconnect devices (sometimes the sound “sticks” on the smartphone). Problem 4: Videos slow down or tear 📶 Switch the router to 5 GHz (if you use Wi-Fi). 📱 Close all background applications on Redmi 9A (especially messaging and games). 🖥️ Reduce the broadcast resolution to 720p in Miracast settings. 🔌 If you use HDMI, Check the cable for damage. ⚠️ Note: If, after connecting through HDMI Artifacts appear on the TV screen (colored stripes or flickering), this may indicate the adapter’s incompatibility with Redmi. 9A. Try an adapter from another manufacturer (we recommend Baseus or UGREEN). FAQ: Answers to popular questions 🔹 Can I connect Redmi? 9A - To the TV without Wi-Fi? HDMI-adapter MHL. Some Xiaomi TVs also support Wi-Fi Direct, which creates a direct network between devices without a router. To turn it on: On TV: Settings → Wi-Fi → Wi-Fi Direct On Phone: Settings → Wi-Fi → Wi-Fi Direct can be used after Miracast connection. 🔹 Why is there no sound when you connect to Miracast? This problem is most often caused by: Codec incompatibility. Try to turn on TV mode. PCM In audio settings. App restrictions. Some services (e.g. Netflix) block Miracast audio transmission. In this case, use Google Cast. Smartphone settings. In the stream menu on Redmi. 9A Check that the option to transmit audio is enabled. 🔹 What adapter? USB-C → HDMI buy 9A? We recommend the following models (tested for compatibility): Xiaomi USB-C to HDMI Adapter is official, but supports only 1080p@60Hz. Baseus USB-C to HDMI 4K — supportive 4K@30Hz, requires additional food. UGREEN USB-C to HDMI — Budget option with good compatibility. 💡 Avoid cheap no-name adapters – they often don’t work with Redmi 9A Lack of support for DisplayPort Alt Mode. 🔹 Can I play Redmi? 9A - Yes, but with reservations: 🎮 Use it for minimal delay HDMI-adapter (delay) ~50 ms). 📶 When connecting via Miracast, the delay will be ~150–200 ms, which is critical for dynamic games (e.g. shooters). 🔋 Games are very loading the processor, so connect your phone to charge. 🚫 Some games (such as Free Fire or Call of Duty Mobile) block screen broadcasts. 💡 For gaming, it is better to use Xiaomi Game Controller – it is compatible with Redmi. 9A And it allows you to play on TV without lags. 🔹 How to turn off the screen if the "Disable" button doesn't work? If the Miracast or Google Cast interface is frozen, try it: 🔄 Reboot Redmi. 9A (Hold the power button for 10 seconds). 📺 Shut the TV off the network for 30 seconds. 🚫 In extreme cases, reset the network settings on your smartphone: Settings → System system → Reset → Resetting Wi-Fi, Mobile Network and Bluetooth.