Xiaomi TV doesnโ€™t see phone via USB, but charges โ€“ what to do?

You connected your smartphone to your Xiaomi TV through USB-cable, but instead of the expected file access or mode MTP You see only the charging indication? The problem is familiar to many Mi owners. TV, Redmi Smart TV The reasons may lie in the settings of the phone, and in the limitations of the TV firmware, especially when it comes to budget models with reduced functionality.

In this article, weโ€™ll look at all the possible reasons why your TV canโ€™t see your phone through USB despite charging, and give you step-by-step troubleshooting instructions. From simple cable checks to hidden Android TV settings, youโ€™ll find a solution for even the most neglected cases.

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1.Why does Xiaomi TV not see the phone but charge it?

At first glance, the paradox: USB-The TV port is powered (charging is going on), but it's not transmitting data. This is due to the separation of functions in modern day computers. USB-Xiaomi TVs often use simplified implementations. USB-a host where the port is physically capable of only charging or limited data protocol support.

The main causes of the problem:

  • ๐Ÿ”Œ Inferior USB-port on the TV (only for charging, without support) MTP/PTP).
  • ๐Ÿ“ฑ Incorrect connection mode on the smartphone (for example, selected โ€œCharge Onlyยป).
  • ๐Ÿ”„ Outdated firmware of a TV or phone that lacks drivers for interoperability.
  • ๐Ÿ”— Damaged cable or adapter (no data contacts, only power).
  • ๐Ÿ›ก๏ธ Blocking from the outside MIUI (on Xiaomi phones, Redmi phones, POCO).

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Verification USB-Cable and port: where to start the diagnosis

First rule: if the TV charges the phone but doesn't see it as a drive, it's not always the cable that's to blame, but cheap or damaged wires are often the cause. USB-cable has 4 contacts: 2 for power supply (+5V and GND) 2 for data transmission (D)+ If the latter are damaged, the charging will work, but the transfer of files will not.

How to check the cable:

  1. Connect your phone to your computer with the same cable, and if the PC can't see it, the cable is broken.
  2. Try another cable (preferably original from Xiaomi or certified USB 2.0 Type-C).
  3. Check the connectors on the TV and phone: are there any contaminants, bent contacts.
๐Ÿ“Š What? USB-You're using the cable?
Original from Xiaomi
Third-party brand (Belkin, Anker, etc.)
Cheap no-name
I don't know.

If the cable is okay, go to the phone settings. 80 percent of the time, the mode change fixes the problem. USB-smartphone-connection.

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3.Setting up USB mode on Xiaomi/Redmi/POCO phone

By default, Xiaomi smartphones when connected to USB choose the mode โ€œOnly Chargeโ€. To the TV to see the phone as a drive, you need to manually activate MTP (Media Transfer Protocol) or PTP (Picture Transfer Protocol).

Instructions for MIUI 12/13/14:

  1. Connect the phone to the TV.
  2. Swipe down the notification bar and tap on the message โ€œCharge via USBโ€.
  3. In the window that opens, select File Transfer (MTP) or Photo Transfer (PTP).
  4. If there is no option, go to Settings โ†’ Connections and Sharing โ†’ USB and select the mode manually.

Swipe the notification panel down |

Click on the notification "Charging via USB" |

Select "File Transfer" (MTP) |

If there is no notification, check in the settings โ†’ Connections and sharing โ†’ USB-->

โš ๏ธ Note: Some Xiaomi TVs (e.g. Mi) TV 4S or Redmi Smart TV X) USB-The port does not physically support the MTP. In this case, only updating the firmware or using alternative ways of connecting (for example, through Miracast or other means of communication) will help. DLNA).

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4. Update of TV and phone firmware

If the TV and phone "don't understand" each other, the fault may be outdated software. Xiaomi regularly releases updates for Mi TV redmi TV, where compatibility errors are corrected with USB-device.

How to update the TV:

  1. Open Settings โ†’ About TV โ†’ Update system.
  2. Click on "Check Updates."
  3. If a new version is available, install it (requires a stable Internet connection).

How to update your phone:

  1. Go to Settings โ†’ About the phone โ†’ System update.
  2. Tap โ€œCheck Updatesโ€ and wait for the process to be completed.
Model TV setMinimum version of the software for USB MTPThe Last Stable Firmware (2026)
Mi TV 4S (50"/55")MIUI TV 2.0.12MIUI TV 3.6.1
Redmi Smart TV X (43"/50"/55")MIUI TV 1.5.8MIUI TV 3.5.8
Mi TV Q1/Q2MIUI TV 3.0.1MIUI TV 4.0.5
Mi TV A2 (32"/40")MIUI TV 1.2.4MIUI TV 2.8.3

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5. Alternative ways to connect your phone to a Xiaomi TV

If USB-The TV port does not support MTP, If the update does not help, use alternative methods:

  • ๐Ÿ“ถ Miracast/Wi-Fi Direct: Wireless screen transfer (supported on Mi) TV s MIUI TV 2.0+). Turn on the phone โ€œWi-Fi transmissionโ€ in the screen settings.
  • ๐ŸŒ DLNA/UPnP: Use apps like Mi Home or LocalCast to stream media over a local network.
  • โ˜๏ธ Cloud Services: Upload files to Mi Cloud, Google Drive or Yandex.Disk, then open them on your TV via your browser.
  • ๐Ÿ”Œ OTG-Adapter: If the TV is fully equipped USB-Try connecting the phone via port USB OTG-Hub (not working on all models).

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If the TV doesnโ€™t support Miracast, check for Screen Mirroring in your network settings. On Xiaomi phones, you can use Settings โ†’ Connections and Sharing โ†’ Wi-Fi Transfer

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6. Reset TV and phone settings

If all previous methods failed, the problem may be a software failure, in which case resetting to factory settings will help.

Resetting Xiaomi TV:

  1. Open Settings โ†’ About TV โ†’ Reset settings.
  2. Select โ€œReset all settingsโ€ (app data will be deleted, but files on the app will be deleted). USB-the accumulators will remain).
  3. After restarting, reconnect the phone.

Reset USB settings on your phone:

  1. Click on the three dots at the top โ†’ โ€œReset application settings.โ€

โš ๏ธ Note: On some Redmi models TV Resetting your settings can result in the loss of your associated Mi Account!

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7. Hardware restrictions: what to do if USB-port does not support MTP

Some Xiaomi TVs (especially budget models like Mi) TV 4A or Redmi Smart TV A) equipped USB-Ports that are physically unable to operate MTP. In this case:

  • ๐Ÿ“ฆ Buy a media player (such as Xiaomi Mi Box S) and connect it to your TV via a phone. HDMI.
How to check if the TV supports MTP?
Open the specifications of your model on the official Xiaomi website (section "Ports and interfaces"). If the USB description says only "charging" or "playing media from a flash drive", then MTP is not supported.

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FAQ: Frequent questions about connecting your phone to a Xiaomi TV

๐Ÿ“ฑ Why Xiaomi Phone Should Not Choose a Mode USB when connected to the TV?
This happens if the TV doesn't send the correct MTP support signal. Try: Connect your phone to another device (PC, laptop) and select MTP mode. Manually activate MTP in settings (Settings โ†’ Connections and Sharing โ†’ USB). Update the TV firmware.
๐Ÿ”Œ Can you damage the TV if you connect your phone through a non-original cable?
No, the TV won't fail, but it's possible: Unstable charging (the phone can warm up); no data transmission due to damaged D+/D- contacts; connection errors; USB-IF certified cables.
๐Ÿ“บ Why Xiaomi TV can see the flash drive but canโ€™t see the phone?
Flash drives use Mass Storage, which is supported even on budget TVs. Smartphones require MTP or PTP, more complex protocols that can be disabled in firmware. Solutions: Update the TV software. Use a USB OTG adapter. Transfer files via Miracast or DLNA.
๐Ÿ”„ What to do if the TV stops seeing the phone after the update?
This is a rare bug that has to do with new drivers being incompatible: Try: roll back the TV firmware (if backup is available); reset the TV settings to factory settings; call Xiaomi to show the TV and phone models.
๐Ÿ› ๏ธ Can I use Xiaomi TV for support? MTP?
Technically, yes, but: This voids warranty, risk of bricking the TV (turning it into a brick), require ADB and custom firmware skills, and recommend trying all the official methods first.