Xiaomi Mi TV L43M5-5ARU with a diagonal of 43 inches and 4K resolution supports several ways to connect a smartphone — from wireless protocols to wired connections. But users often face problems: the phone screen is not duplicated, sound only goes through the speakers of the smartphone, or the connection is constantly broken. In this article, we will analyze all working methods of connection (including hidden MIUI functions), optimal settings for Android and iPhone, as well as typical errors with solutions.
The L43M5-5ARU features built-in Wi-Fi 5 (802.11ac) and Miracast support, which allows you to transfer images from your phone without lag. However, stable operation requires the right setup on both your TV and mobile device. If you use an iPhone, you'll have to bypass Apple's limitations with workarounds, which we'll consider, too.
Unlike the budget models Xiaomi, L43M5-5ARU fully USB-Type-A port, which can be used not only to view media files, but also to connect a smartphone in mode MTP or OTG (This is true if wireless methods do not work due to interference or weak signal of the router.
1. Wi-Fi Direct (Miracast) connection is the most versatile way
Miracast protocol is built into Xiaomi L43M5-5ARU and allows you to duplicate the screen of the smartphone without the router — the TV creates the access point. This method works on Android 5.0+ and some iPhone models (with limitations), the main advantage is the absence of delays when watching videos or games.
To activate Miracast on your TV:
- Open Settings → Connections → Wireless projection (Screen Mirroring).
- Select Miracast mode (could be called Wi-Fi Direct).
- Remember the name of the network that appears on the screen (for example, MiTV-L43M5-XXXXX).
On an Android smartphone:
- 📱 Open the Settings. → Connections → Screen transfer (to Xiaomi – Additional) → Wireless display).
- 🔍 In the list of available devices, select your TV L43M5-5ARU.
- ✅ Confirm the connection on both devices (entry may be required) PIN-code).
Important for the iPhone: Apple doesn’t officially support Miracast, but you can get around it through apps like Screen Mirroring for Samsung TV (which also works with Xiaomi) or ApowerMirror. There will be a slight delay (1-2 seconds), and the sound will have to be transmitted separately over Bluetooth.
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If the TV doesn’t appear in the Miracast device list, restart both devices and check that the phone has Developer Mode on (7 taps on the build number in Settings → About Phone).
2. HDMI connection - stability without delay
If you want maximum picture quality (for example, for games or watching movies in the video game) 4K HDR), use HDMI-That's gonna take a cable:
- 📺 HDMI-cable 2.0 or higher for support 4K@60Hz).
- 📱 Adapter for smartphone: For Android with USB-C: adapter USB-C → HDMI (For iPhone: Apple's official Lightning Digital adapter AV Adapter (around 5000)₽).
Step-by-step:
- Connect the adapter to the smartphone, and HDMI-cable - to the adapter and TV (port) HDMI 2 on L43M5-5ARU supportive ARC, What's useful for sound transmission).
- On the TV, select the signal source: press Input on the remote and select HDMI 2.
- On the smartphone, you may need to turn on HDMI mode in the notification curtain (Xiaomi will have an HDMI icon).
Challenges and solutions:
- 🔴 No image: Check if the cable supports 4K (Cheap adapters often only work with 1080p).
- 🔴 Sound goes through the phone: In the settings of the TV go to Sound → Exit HDMI and choose PCM (if connected through ARC).
Why is there no sound on the iPhone via HDMI?
3. USB connection – for file transfer and charging
The USB-A port on the L43M5-5ARU allows you to connect your smartphone in three modes:
- MTP (Media Transfer Protocol) – to view photos and videos.
- PTP (Picture Transfer Protocol) is for images only.
- Charging – if you need to replenish the battery of the phone.
To connect:
- 📱 Use the cable. USB-C → USB-A (or micro-USB → USB-A old-phone).
- 🔌 Put the cable in the port. USB on the TV (side-by-side).
- 📺 A notification will appear on the TV screen – select Open Files (for the first time). MTP) or Charging.
Limitations:
- 🚫 Video in the video 4K It can slow down due to low speed. USB 2.0.
- 🚫 Not all formats are supported by the built-in player (e.g.,.mkv may not play).
Check the version. USB-port on the phone (3.0)+ fast-transmit)|Use the original cable|Turn off the lock. USB in the phone settings (Settings) → System system → For developers → Debugging by USB)|Format flash drives into FAT32 (if you plan to use OTG)-->
4. Connection through applications (DLNA, Mi Share, Google Cast)
If standard methods do not work, you can use specialized applications. For Xiaomi L43M5-5ARU suitable:
| Annex | Supported OSs | Functions | Limitations |
|---|---|---|---|
| Mi Share | Android, iOS | File transfer, screen duplication | Requires registration in Mi Account |
| Google Home (Google Cast) | Android, iOS | Streaming videos/music from supported apps (YouTube, Netflix) | Don't duplicate the whole screen |
| LocalCast | Android | Transfer of local files and screen duplication | Paid version for 4K |
| ApowerMirror | Android, iOS | Duplication of screen with sound | 1-2 seconds delay |
Instructions for Mi Share:
- Install the app on your phone from Google Play or the App Store.
- On the TV, open Mi Share (in the app menu).
- On your phone, select a file or click Screen Mirroring.
- Confirm connection to L43M5-5ARU.
Important: For Google Cast, the TV and phone must be connected to the same Wi-Fi network. If the router is dual-band (2.4 GHz and 5 GHz), make sure that both devices are connected to the same frequency.
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Applications like Mi Share or LocalCast often run more stable than built-in Miracast, especially if you have a weak router or many devices on the network.
5. Solving Connection Problems
If the phone doesn’t connect to the Xiaomi L43M5-5ARU, check out the following:
⚠️ Attention: On TV L43M5-5ARU firmware MIUI TV 3.0 Miracast may not support iPhone. Update through Settings → Updating the system.
Common mistakes and ways to eliminate them:
| Problem. | Possible cause | Decision |
|---|---|---|
| TV not visible on Miracast device list | Wi-Fi Direct is disabled on TV | Reboot the TV and turn on the wireless projection again |
| The sound is on the phone, not on TV. | Incorrect settings of HDMI-CEC | Turn ARC on Settings → Sound → HDMI output |
| Lags for screen duplication | Weak Wi-Fi signal or interference | Connect your TV and phone to your router via cable or use 5GHz |
| Applications (Netflix, YouTube) do not display sound on TV | DRM (Content Protection) Limitations | Use HDMI or official apps on the TV itself |
If nothing helps, reset the network on the TV:
- Go to Settings → System → Resetting settings.
- Select Network Reset.
- Connect to Wi-Fi again and try again.
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If you have an iPhone and Miracast doesn't work, try turning on Airplane Mode for 10 seconds, then turn it off and reconnect. This resets the iOS network settings.
6.Alternative ways: Chromecast, Apple TV and OTG
If the built-in functions of Xiaomi L43M5-5ARU are not satisfied, you can use external devices:
1. Google Chromecast
- 📌 Connects to the port. HDMI TV-wise.
- 📱 Allows you to stream content from your phone via Google Home.
- ⚡ Supports 4K HDR (Chromecast Ultra model).
2. Apple TV (for iPhone)
- 🍎 Uses the AirPlay protocol, which is perfectly compatible with iOS.
- 🎮 Allows you to duplicate the screen without delay.
- 💰 Cost is $15,000.₽ (Apple TV 4K).
3. USB-OTG adapter
- 🔗 Allows you to connect a flash drive or hard drive to the TV through USB.
- 📁 You can view files without a smartphone.
- ⚠️ It only works with the file system. FAT32 (not NTFS!).
Important: TV Xiaomi L43M5-5ARU does not support live streaming from the cameras of the smartphone via Miracast or HDMI. To stream video from the camera use applications like DroidCam (requires a PC as an intermediary).