How to connect your phone to a Xiaomi 4A TV: everything from Wi-Fi to cable

Connecting a smartphone to a Xiaomi Mi TV 4A offers a lot of opportunities, from viewing photos on a large screen to streaming high-resolution videos. However, not everyone knows that this model has nuances with support for wireless protocols (for example, there is no Google Cast in early versions of software). In this article, we will discuss 5 proven ways of synchronization – from standard HDMI to little-known functions like Miracast Direct, and also tell you how to avoid typical errors like “no sound” or “hang screen”.

It’s important to consider that the Xiaomi 4A came in several versions (e.g., 4A 32, 4A 43, 4A 50), and some methods may depend on the firmware version. If your TV doesn’t support wireless connectivity out of the box, don’t get upset – there are workarounds in the article.

Connection via HDMI: reliable, but with nuances

way HDMI-The cable works on any Xiaomi model. 4A, regardless of the year of release and version of Android TV. You'll need it:

• 🔌 Cable HDMI (preferably 2.0 support 4K@60Hz).
• 📱 Adapter for the phone (e.g, USB-C → HDMI or micro-USB → HDMI, depending on the smartphone connector).
• ⚡ Power supply (some adapters require additional power via the USB).

Instructions:

1. Connect the adapter to the phone and then connect it to the phone. HDMI-port on the television (usually signed as HDMI 1/ARC).
2. On the Xiaomi remote 4A Press the Source (or Input) button and select the appropriate one. HDMI-port.
3. A request for permission to transfer an image may appear on the phone - confirm it.

Does your phone support HDMI output (check model specifications)|

Do you use the original cable (cheap adapters often don't transmit sound)|

Have you chosen the right source of your TV signal (Source button)|

Power is connected to the adapter (if required)-->

Challenges and solutions:

• 🔇 No sound: Check your phone settings in the Sound section → Sound output. Sometimes you have to manually select. HDMI.
• 🖼️ Black Screen: Try another one HDMI-port on the TV or reboot both devices.
• 🔄 Image freeze: Turn off adaptive brightness on your phone – it may conflict with signal output.

Original HDMI 2.0|

Cheap adapter with AliExpress|

USB-C → HDMI with power |

I'm not connecting the cable.-->

2. Wireless connection via Miracast (without router)

Xiaomi Mi TV 4A supports Miracast, a wireless screen transfer technology without a router.

• ⚠️ On TVs with firmware older than 2021, Miracast may not work smoothly.
• ⚠️ Not all smartphones support Miracast (for example, the iPhone does not have it, and Android needs version 4.2).+).

How to connect:

1. On TV: go to Settings → Connections → Miracast (or Wireless Display).
2. On your phone: open Settings → Connections → Screen transfer (on Xiaomi this can be called Cast or Wireless Display).
3. Choose your Xiaomi 4A from the list of available devices.

Miracast's limitations on Xiaomi 4A:

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If Miracast is permanently disabled, try turning off Bluetooth on your phone – sometimes it interferes with wireless screen transmission.

3. Connect via Wi-Fi Direct (alternative to Miracast)

Wi-Fi Direct is another way to transfer the screen without a router, but with some differences from Miracast. On Xiaomi 4A, it works more stable, but requires additional settings.

Instructions:

1. On TV: Settings → Network → Wi-Fi Direct → turn on the function.
2. On your phone: in the Wi-Fi settings, find the Wi-Fi Direct section (on Xiaomi, it can hide in Additional Features).
3. Connect to the network the TV creates (the name will start with DIRECT-MiTV-..).
4. Run screen transfer via Settings → Screen → Wireless display.

The advantages of Wi-Fi Direct over Miracast:

• 📶 More stable connection over longer distances (up to 10 meters).
• 🔋 Less battery consumption of the phone.
• 🎮 Supports game controllers (if connected to TV).

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Wi-Fi Direct is better than Miracast for streaming video, as it is less likely to “brake” with high bitrate.

4.Use of streaming applications (DLNA, LocalCast)

If the built-in features don’t work, you can use third-party apps, such as LocalCast or BubbleUPnP support the DLNA protocol that Xiaomi 4A has.

How to set up:

1. Install LocalCast on your phone (available on Google Play).
2. On the TV, turn DLNA on to Settings → Network → Remote Control.
3. In the LocalCast app, select a file to play and click Cast to... → select your Xiaomi 4A.

Pros of the method:

• 🎬 It supports almost all video formats (including: MKV and FLAC).
• 📁 You can stream entire folders with files.
• 🔄 It works even on old TV firmware.

Cons:

• ❌ No screen transfer (only individual files).
• ❌ Possible problems with subtitles.

5. USB connection (for media files only)

If you just need to show photos or videos from your phone, you can use it. USB-This method does not transmit the screen, but allows you to view files through the built-in media player Xiaomi. 4A.

How it works:

1. Connect the phone to USB-TV port (usually located on the side).
2. On your phone, select File Transfer (or MTP) mode.
3. On the TV, open the Media or Files app and select your smartphone.

Limitations:

• 🚫 It does not work for streaming (local files only).
• 🚫 Not all video formats are supported (for example, the video formats are not supported, AVI may not reproduce).
• 🚫 Reading speed depends on the version USB (Xiaomi 4A usually USB 2.0).

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If the TV doesn’t see the phone through USB, Try to turn off the debugging. USB The developer’s settings (sometimes they conflict with the MTP-regime).

6.The solution to the problems: why the phone does not connect to the Xiaomi 4A

Even with the right settings, errors can occur, and here are the most common causes and ways to fix them:

🔴 Problem: TV doesn't appear in the list of devices to connect.

• 🔄 Reboot both devices.
• 📶 Make sure that the TV is enabled Detection Mode (Settings) → Connections → Visibility of the device).
• 🔧 Update the TV firmware (instruction below).

🔴 Problem: There is an image, but no sound.

• 🔊 Check if the phone is worth it without sound.
• 🔊 In the settings of the TV, select the External speaker → HDMI (cable-wired).
• 🔊 For wireless connectivity, try using Bluetooth headphones connected to your TV.

🔴 Problem: The phone screen is duplicated with a delay.

• 🎮 Reduce the screen resolution on your phone (in Miracast settings).
• 📶 Switch to 5GHz Wi-Fi (if you use a wireless connection).
• ⚡ Close the background apps on your phone (they can boot the processor).

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If nothing works, reset the network settings on your TV: Settings → System → Reset → Network reset. This often solves connection problems.

FAQ: Frequent questions about connecting your phone to Xiaomi 4A