Connecting Xiaomi phone to TV via USB-cable: full instructions with nuances

Connecting Xiaomi smartphone to the TV through USB-cable seems like a simple task, but in practice, users face a lot of nuances, from the lack of response of TV to connection to problems with image transmission. MHL, USB-C to HDMI and data modes), explain why some TVs do not support live streaming with Redmi or POCO, And we'll give you a checklist to diagnose the problems.

It is important to understand that the connection method depends on three factors: the phone model (since the Xiaomi Mi 8 is used). USB-C, The old ones have microUSB, TV capabilities (port availability). USB 3.0 or HDMI s MHL), and firmware versions MIUI (New assemblies may not have support USB-OTG We tested the instruction on devices from 2020 to 2026 and collected data in the compatibility table below.

If you want not just to charge your phone from TV, but to display photos, videos or even duplicate the interface of your smartphone – read more. 13/14 Redmi Note 12 You will need an adapter, and owners of Samsung TVs or LG older 2018 You will have to use the roundabouts for the year.

1. What cables and adapters will be needed to connect

The first thing to check is the type USB-Xiaomi smartphones today (starting with the Mi 10 and Redmi Note 9) are equipped with a connector. USB-C, TVs often have a standard set. USB-A (It's a rectangular port. That means you'll need to:

• 🔌 Cable USB-C → USB-A (File transfer and charging to TV with Media Transfer Protocol support).
• 📺 adapter USB-C → HDMI (Screen duplication if the TV does not support MHL through USB).
• ⚡ Cable with support MHL (Only for older Xiaomi models with microUSB and TVs until 2019).
• 🔄 USB-hub HDMI (If you need to connect multiple devices or use a mouse/keyboard in parallel).

Note: Most of the Samsung TVs and LG 2020-2026 does not support image output through standard USB-port - you need it for that. HDMI-Input and adapter with DisplayPort Alt Mode chip. at the same time, Xiaomi TVs TV (Like Mi. TV Q2 or Redmi Smart TV X) often have built-in support USB-OTG They can read files directly from the phone.

⚠️ Note: If you are using a cheap adapter USB-C → HDMI Without the DisplayPort Alt Mode chip, the Xiaomi phone won't display the image on the TV. These adapters only work for data transfer, not for screen duplication "4K@60Hz" or "DisplayPort" on the package.

2. Step-by-step instructions: how to connect Xiaomi to TV through USB file transfer

This is a good technique if you need to view photos, videos or music from your phone on a large screen, and the TV works like an external drive, reading files directly.

Enable the developer mode on Xiaomi (Settings) → The phone. → Version. MIUI, tap 7 times)

Activate debugging over USB (Settings → Additional → For developers → Debugging over USB)

Use the original Xiaomi cable (cheap cables may not transmit data)

Check that the TV is on mode. USB-The storage device (usually at the source of the signal)

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Now, follow the following steps:

1. Connect your phone to your TV with a cable USB-C → USB-A (or microUSB → USB-A old-model).
2. The phone will have a notification on it, "Charge via USB."
3. Select the file transfer mode (or MTP (media transfer protocol).
4. On the TV, switch the signal source to USB (Usually a source or input button on the remote).
5. In the TV menu, select "Multimedia" or "Files" - access to the folders of the phone will open.

If the TV can't see the files:

• 📁 Check that the folders are not hidden (in) MIUI Some files are hidden by default).
• 🔄 Reboot both devices and reconnect.
• 🛠️ Update the TV firmware (in the menu "Support") → Update of the PO").

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If the TV does not support MTP, but there's a port USB 3.0 Try to connect your phone in mode "PTP" (For this purpose, in the notification USB On Xiaomi, select "Imagine Transfer".

3. How to duplicate the screen Xiaomi on the TV through USB (mirroring)

Output of the image from the smartphone screen on TV through USB Only if two conditions are met:

1. The phone supports DisplayPort Alt Mode (all Xiaomi flagships from 2020 and some models) POCO).
2. TV has a port HDMI supportive MHL Or you're using an adapter. USB-C → HDMI.

Instructions for modern models (Xiaomi) 12/13/14, Redmi Note 11/12):

1. Buy a certified adapter USB-C → HDMI (We recommend Anker or Baseus).
2. Connect the adapter to the phone and HDMI-cable.
3. On the TV, select the HDMI signal source.
4. On the phone in the notification will appear the option "Duplicate screen" - activate it.

For older models (Xiaomi Mi 9, Redmi Note 8) with microUSB:

• 🔍 Use it. MHL-adapter (microUSB) → HDMI).
• 📱 Turn on the phone settings "Submitting the image by USB" (Path: Settings → Connections → Additionally).
• ⚡ Make sure the adapter is getting power (some of the things you need to do) MHL-Adapters require a connection to the plug).

⚠️ Note: Xiaomi phones with Snapdragon 8 Gen 2 processor (such as Xiaomi 13 Ultra) may require manually enabling DisplayPort mode in the engineering menu. To do this, enter the phone application code ##284## and select DisplayPort enable enable".

4. Features of connecting to TVs of different brands

TV manufacturers are supporting USB-And the following are the key nuances for popular brands:

For Samsung TVs and LG After 2017, manual activation of the mode may be required USB-OTG. On Samsung, press the button 1 on the remote. → 8 → 2 → Power to open the service menu and activate the option "USB On the Host. LG The way is this: Settings → General. → Developer mode → Turn on OTG.

Owners of Xiaomi TV Additional functionality is available: when connecting the phone through USB You can use TV as an external monitor with touch control (Mi Screen Mirroring function:

1. Connect the phone with a cable USB-C → USB-A.
2. On TV, select the signal source "USB".
3. On the phone, in the notification, tap "Management with TV".

5 Problem Solution: The phone is connected, but the TV can't see files or images

If nothing happens after the connection, use this diagnostic manual:

Check the cable for damage (try another cable)

Make sure that USB-TV port is good (plug in the flash drive)

On your phone, turn on the File Transfer mode (not Charge only)

Update MIUI to the latest version (Settings → About Phone → System Update)

Check if your phone supports DisplayPort Alt Mode (see model list below)

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Common mistakes and decisions:

• 🔋 "The phone is charging, but no files are transferred" → Change the regime. USB On the phone from Charge Only to File Transfer. If the option is inactive, turn on Debugging by USB" developer-setting.
• 🖥️ "No image when connecting through HDMI" → Check that the adapter supports DisplayPort Alt Mode. For the test, connect the phone to the PC monitor - if there is an image, the problem is in the TV.
• 📂 "The TV can see the phone but doesn't open files" → Format the phone in FAT32 (TVs often don't read exFAT or NTFS).
• 🔌 "Message 'The device is not supported'" → Update the TV firmware or use an externally powered adapter.

For Xiaomi models with MediaTek processor (e.g. Redmi) 10A or POCO M4) You may need to enable the option "Force" MHL output through the engineering menu to get there:

1. Install the MTK Engineering Mode application from the Play Market.


2. Go to the section "Hardware Testing → USB".




3. Activate the option "MHL Enable".

⚠️ Warning: If the phone starts to warm up after you connect, turn it off immediately.This is a sign that the adapter or cable is not compatible with Xiaomi's Quick Charge. PD 3.0.

6. Alternative ways to connect Xiaomi to TV (if you have a phone) USB doesn't work)

If you connect through USB It is not possible (for example, due to lack of a TV port), consider alternative methods:

• 📶 Wireless duplication (Miracast/Wi-Fi Direct):
• 🔗 Google Cast (Chromecast):
• 🖥️ Through the PC (DLNA Steam Link):

For gamers: if you want to play with the output on the big screen, the best option is to connect through the USB-C → HDMI It's Game Mode-enabled:

1. Turn on the phone mode "Game" (the icon in the notification curtain).
2. In the game settings, activate "High" FPS" and “Deactivate auto-brightness".
3. On TV, select Game Mode to reduce latency.

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Minimum delay in playing the game USB-C → HDMI Use a cable with a bandwidth of at least 18 Gbps (e.g. CableMatters) 8K).

7. Compatibility of Xiaomi models with connection by USB

Not all Xiaomi smartphones support screen duplication through the USB. Below is the compatibility table for popular models (data is current for 2026):

To check for DisplayPort Alt Mode support on your Xiaomi model, enter the code ##284## in the engineering menu. If the answer is “DisplayPort: Supported”, then duplicate the screen through the USB-C possibly.

If your model doesn’t support DisplayPort, there is a port. USB-C, You can use a workaround through ADB (Only for experienced users):

adb shell settings put global hdmi_mirroring_enabled 1

This command is forced to include a duplication mode, but may work unstable.

FAQ: Frequent questions about connecting Xiaomi to TV via USB