How to connect your phone to a Xiaomi TV USB-cable on Android: all the ways and nuances

Connecting your smartphone to Xiaomi TV via USB-Cable is one of the most stable ways to transfer content without delays and loss of quality. Unlike wireless technologies like Miracast or Google Cast, wired connection does not depend on the speed of Wi-Fi, does not suffer from interference and allows you to broadcast video in maximum resolution – up to the maximum resolution. 4K@60fps But many users have a problem: the TV doesn't recognize the phone, the screen doesn't duplicate, or the devices just don't see each other.

In this article, we will analyze all possible connection scenarios – from simple viewing of photos to full screen mirroring, and also tell you why on some models Xiaomi TV USB-The port only works for maintenance (software updates) and not for media connectivity, and you will learn what settings to activate on your phone and TV, what cables and adapters you will need, and how to avoid common errors like the ones you will need "USB-device is not supported".

If you want to not only transfer files, but also control your phone from a TV screen – for example, for presentations or games – we will show you how to turn on the mode. MHL (If it's supported, or alternative solutions. TV Here is a list of compatible adapters that will help to “wake up” the sleeper. USB-port.

1.What Xiaomi TVs support phone connection over USB?

Not all Xiaomi TVs are equally useful when it comes to connecting a smartphone through a smartphone. USB-The thing is, the manufacturer divides the cable. USB-Ports are of two types: service (software update only) and multimedia (external device connection) and we'll see how to distinguish them.

Modern models - Mi TV Q2 2023, Redmi Smart TV X2022, Xiaomi TV A Pro – usually equipped with at least one USB 3.0 port (blue), which supports smartphone connection in mode MTP (file transfers) or PTP (However, screen mirroring requires support for the standard. MHL SlimPort, which most budget lines do not have.

And here are some old models, like the Mi. TV 4A (2018) or Mi TV 4S (2019) — USB-The port often only works for flash drives and keyboards. To check your model's compatibility, check the port markings:

• 🔵 USB 3.0 (Blue connector – high probability of supporting smartphones in mode MTP/PTP.
• ⚫ USB 2.0 (black connector) – usually only for flash drives, but sometimes works with phones after software updates.
• ⚡ Port with lightning pictogram (Thunderbolt/USB-C) — DisplayPort Alt Mode supports, allowing you to duplicate the screen.

If you're Xiaomi. TV black-only USB-Don’t worry, in the next section we’ll show you how to get around this restriction with adapters.

2.What you need to connect: cables, adapters and settings

Connecting your phone to a Xiaomi TV USB, It's not enough to just insert the cable. You'll need the right cord, compatible connectors, and activated settings on both devices.

One is cable. There are three options.

• 📱→🖥️ USB-C → USB-A — standard charging cable (suitable for file transfer but not for screen duplication).
• 📱→🔌 USB-C → USB-C — It is necessary for modern TV with USB-C port (for example, Xiaomi) TV Q2).
• 📱→🖥️ USB-C → HDMI — Duplicate screen adapter (requires support for DisplayPort Alt Mode on your phone).

The second is the phone settings. On Android, you need to turn on: For developers. → Debugging by USB (not always necessary, but helps with problems) and select the connection mode (MTP) or Transfer of photo (PTP). On some TVs, Xiaomi only works. PTP — Try both options.

The third is settings for the TV. Go to: Settings. → Devices → USB-Device and enable Mobile Connection (name may vary depending on PatchWall version).

⚠️ Note: If you connect your phone to Xiaomi TV through USB-C port, make sure the cable supports data transfer, not just charging. Cheap charging cables often don't have the necessary contacts to share files.

3. Step-by-step instruction: connect the phone to Xiaomi TV through USB

Now, let's get to the practice. Below is a generic manual that works for most models. Xiaomi/Redmi TV. If something goes wrong at some point, don’t close the article: in the next section, we’ll look at common mistakes and their solutions.

Step 1: Preparing the phone

1. Open the settings → System → About the phone.
2. Click 7 times on the Build Number to activate Developer Mode.
3. Go back to Settings → System → For developers and enable USB debugging.
4. Connect your phone to your TV with a cable. A notification will appear on your phone screen — select File Transfer (MTP).

Step 2. Set up the TV.

1. Turn on the TV and wait for PatchWall to load.
2. Connect the cable to USB-port (preferably) USB 3.0).
3. Open the Settings. → Devices → USB-device.
4. Select your phone from the list (if it appears). If not, reboot the TV.

Step 3: Viewing the content

• 🎵 For music: Open the Music app on TV and select a folder with files.
• 📷 For photos: use the built-in Photo Album or Gallery.
• 🎬 For video: run the Video Player and select the file (formats are supported) MP4, MKV, AVI).

If the phone screen is not duplicated, then your Xiaomi model is not duplicated. TV supportive MHL. In this case, you will need to use Wi-Fi Direct or Miracast for mirroring (more about this at the end of the article).

4. Compatibility table: Which phones and TVs work together

Not all Android smartphones interact equally well with Xiaomi TVs USB. Below is a table of compatibility of popular models. If your device is not on the list, focus on support for the standard. USB OTG and MHL.

If your TV doesn’t support you MHL, but USB 3.0, you can still view photos and videos, running them directly from your phone through the PatchWall menu. MHL-Adapter (e.g. Xiaomi Mi) TV Stick).

5. Typical errors and their solutions

Even if you do everything according to the instructions, you can have problems, and here are the most common mistakes and ways to correct them:

Mistake 1: "USB-device is not supported"

• 🔌 Check the cable: it should support data transfer (not just charging).
• 📱 On your phone, select PTP instead of MTP.
• 🔄 Restart the TV and phone.

Mistake 2: The TV can't see the phone

• 🔌 Connect the phone to another USB-port on TV (if there are several of them).
• 📱 Turn on Debugging. USB developer-setting.
• 🔄 Update the TV firmware to the latest version.

Error 3: The video is not being played

• 🎬 Check the file format: Xiaomi TV supportive MOV or FLV.
• 🔊 Make sure that the audio codec is compatible (e.g, AAC or MP3).
• 📁 Transfer the file to the flash drive and check if it is played from it.

⚠️ Note: On Xiaomi TVs with an Amlogic processor (e.g. Mi) TV 4A) USB-The port can work unstablely with phones on Qualcomm Snapdragon, in which case only a wireless connection or buying an external media player will help.

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If the phone is connected but the files are not displayed, try creating a folder on it. DCIM Or Movies and put media in there. Some versions of PatchWall only look for content in standard directories.

6. Alternative means of connection, if USB doesn't work

If your Xiaomi TV doesn’t support connecting your phone through your phone USB (Or you have encountered unsolvable errors, there are several alternatives:

1. Wireless screen duplication (Miracast)

• 📱 On the phone: Settings → Connected devices → Wireless display.
• 📺 On TV: Settings → Connection → Miracast.
• ⚡ Cons: possible lags when watching video in high resolution.

2. Connection through HDMI (adapter-wise)

• 🔌 Buy an adapter. USB-C → HDMI (For example, Xiaomi Mi USB-C to HDMI).
• 📱 On the phone, turn on the transfer of the image by HDMI (screen-setting).
• ✅ Plus: full screen duplication without delay.

3. Use of the DLNA/UPnP

• 📱 Install BubbleUPnP or LocalCast on your phone.
• 📺 On TV, open the Media Server in PatchWall.
• 🎬 Plus, even the old Mi models work. TV.

4. Xiaomi Mi TV Stick

• 🔌 Connect Mi. TV Stick to HDMI-port.
• 📱 Use Google Cast or Miracast to stream.
• ⚡ Cons: It requires additional costs (~3000₽).

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If your XiaomiReleased TV is up to 2020, 90% of the time is likely to be yours USB-The port does not support smartphone connectivity, in which case the best option is wireless broadcasting or HDMI-adapter.

7.How to speed up file transfer and avoid lags?

If you connect your phone to Xiaomi TV through USB For file transfer, but the process is too slow, or the video slows down, use these tips:

To speed up the transfer of files:

• 🔌 Use the cable. USB 3.0 → USB-C (blue-jack).
• 📁 Transfer files in small batches (by 10-20 piece).
• 🔄 Turn off background sync on your phone (e.g. Google Photos).

For smooth video playback:

• 🎬 Convert files to MP4 codeced H.264.
• 🔊 Avoid high bitrate formats (for example, 4K HDR may slow down).
• 📵 Close all background apps on your phone.

For screen duplication (if supported):

• 🔌 Use the adapter. USB-C → HDMI supportive 4K@60Hz.
• 📱 Turn on the phone mode for developers → Simulation of the display (if there are lags).
• 🔄 Reduce the resolution of the phone screen to 1080p stability.

If even after this action, the video slows down, try transferring the files to the USB drive and playing them directly from it, which will relieve the load on the phone's processor and eliminate possible bandwidth restrictions. USB-port.

FAQ: Frequent questions about connecting your phone to Xiaomi TV through USB