How to connect Xiaomi Redmi 9C TV-to-TV USB-cable: all the ways and nuances

Connecting Xiaomi Redmi Smartphone 9C TV-to-TV USB-cable seems like a simple task, but in practice, users face a lot of nuances, from the lack of response of TV to the connection to problems with the transmission of images. MHL/USB-C Alternative solutions if your TV does not support live streaming.

It is important to understand that Redmi 9C (model M2006C3MG) It is equipped with a micro USB port, not a micro USB port. USB Type-C, which limits connectivity, will be used to analyze compatibility with different types of TVs, LG, Sony Bravia et al., consider the adapters and software settings required, and provide recommendations for eliminating common errors such as “no signal” or “charging instead of data transfer».

If you have tried to connect through USB And you get the message, "Device not supported," so don't rush into buying new cables, and 80 percent of the time, the problem is solved by changing the mode. USB You can use it on your smartphone or by updating your TV firmware. Then you can find step-by-step instructions tailored to your specific needs. MIUI Features of Xiaomi budget models.

1. Compatibility check: Does your TV support connectivity USB?

Before you buy adapters, make sure your TV is technically capable of receiving a signal from your smartphone via a phone. USB. Most modern TVs (2016 and later) support at least one of the following standards:

• 🔌 MHL (Mobile High-Definition Link – allows video and sound to be transmitted over the Internet Micro-USB/USB-C. Requires an active adapter and power from the socket.
• 🖥️ USB OTG + Miracast/Wi-Fi Direct – some TVs (such as Samsung) QLED) may be used USB only for power, and the image is transmitted wirelessly.
• 📺 USB-Ports with support for media files – such TVs (for example, TVs, LG NanoCell recognizes smartphone as a flash drive, but does not display the screen.

Critical information for owners of Xiaomi Redmi 9C: This smartphone does not support MHL hardware, so the live broadcast of the screen through USB There are no other ways around this without additional adapters, but we'll talk about them in the next section.

⚠️ If your TV is released before 2015, the probability of support MHL It's going to zero, and in this case, the only reliable way to do that is to use it. HDMI-externally powered adapter (e.g, USB-C to HDMI + Micro-USB to adapter USB-C).

2. Method 1: Connecting through USB-cable in media device mode (flash drives)

The simplest, but limited, method is to use a smartphone as a USB-The TV will only see files (photos, videos, music) but will not be able to duplicate the screen. USB-port, including the old models.

Instructions for Xiaomi Redmi 9C:

1. Connect your smartphone to the standard TV USB-cable (use the original cable from the set).
2. On the screen of the smartphone will appear a notification "Charge via USB."
3. Select the File Transfer Mode (MTP).
4. On the TV, open the menu "Sources"USB» (button SOURCE remote).

If the TV cannot see the device:

• 🔄 Try another one. USB-Port (only one port supports media on some TVs).
• 🔌 Use it. USB-externally powered hub (if the TV does not give enough current).
• 📱 Restart your smartphone and TV.

Connect the original USB-cable

Select a regime MTP smartphone

Check everything out. USB-TV port

Open the "Sources" menu on the remote

Reset devices in case of error-->

⚠️ Attention: Televisions LG Often require formatting of the flash drive in FAT32. If the files are not displayed, copy them to a separate flash drive and connect it to the TV.

Method 2: Use of a USB-to-HDMI adapter (bypassing restrictions) MHL)

Because Redmi 9C supportive MHL, direct screen output USB But you can use an external adapter that converts the signal. USB into HDMI. It's gonna take a while:

• 🔗 Micro-USB adapter to HDMI (for example, Ugreen 1080P or Baseus).
• 🔌 power supply (USB-charging or powered hub, as the adapter consumes a lot of power.
• 📺 HDMI-cable (usually with an adapter).

Step-by-step:

1. Connect the adapter to the Redmi 9C via micro-USB.
2. Connect the adapter to the TV HDMI-cable.
3. Connect the adapter to the socket through USB-charging (required! without power, the image will not appear).
4. On the TV, select the source of the signal. HDMI (button SOURCE remote).
5. On your smartphone, turn on the “Screen Transfer” mode in the Developer Settings (if the adapter supports DisplayPort Alt Mode).

If the image does not appear:

• 🔄 Try another one. HDMI-The port on the TV (sometimes only works) HDMI 1/ARC).
• 📱 Turn on your smartphone to debug by USB (Settings → The phone. → Version. MIUI — Tap 7 times, then return to the additional → For developers).
• 🔌 Use a powered hub (some adapters require) 5V/2A).

💡

If the adapter gives you a "No signal" error, try connecting it to the TV before you connect to your smartphone. Some models require this kind of sequence.

Method 3: A wireless alternative (if) USB doesn't work)

If all attempts are made to connect through USB If you're not, consider wireless methods, they don't require cables, and they often work more consistently, especially on newer TVs.

Options for Xiaomi Redmi 9C:

• 📶 Miracast is a built-in wireless screen technology that works on Android TVs. TV, Samsung Smart TV (2016+) and LG WebOS (2018+).
• 🖥️ Google Cast (Chromecast) – if you have a Chromecast or TV with Google built-in TV.
• 📱 Third-party applications (e.g. ApowerMirror or TeamViewer QuickSupport).

How to turn Miracast on on Redmi 9C:

1. Open Settings → Connection and Sharing → Screen Transfer.
2. Choose your TV from the list of available devices.
3. Confirm the connection on both devices.

If the TV is not on the list:

• 🔄 Make sure both devices are connected to the same Wi-Fi network.
• 📺 On your TV, turn on Screen Mirroring (on Samsung) or Miracast (on Android) TV).
• 📱 Restart the router – sometimes double interferes NAT.

💡

Miracast is the most versatile way for modern TVs, but can slow down when watching videos in the video. 4K. For games and movies in high resolution, it is better to use HDMI-adapter.

5.The solution to the problems: why the TV can't see Xiaomi Redmi 9C?

If you followed the instructions but the connection is not working, check the following points:

Additional advice:

• 🔧 Update the TV firmware (on Samsung and LG This often solves compatibility problems).
• 📱 Reset network settings on your smartphone (Settings) → SIM-maps and mobile networks → Resetting network settings).
• 🔌 Try connecting through another. USB-Port on TV (sometimes one port is for service functions only).

⚠️ Warning: Sony Bravia TVs 2019-2020 may need to disable the Quick Start feature (Settings) → Energy saving, as it blocks recognition of external devices.

6. Comparison of methods: which way to choose?

The choice of connection method depends on your tasks and equipment, and below is a comparison table with the pros and cons of each option.

For Xiaomi Redmi 9C The best solution would be:

• 🎮 For games: HDMI-externally powered adapter (minimum delays).
• 🎬 For movies: Google Cast or Miracast (if TV supports TV).
• 📷 For photo: Mode USB-flash drives (easily).

7. Frequent mistakes and how to avoid them

Many users make the same mistakes when connecting Redmi 9C Here are the most common ones and how to prevent them:

• 🚫 Use of non-original cable: Cheap cables often don't support data transmission. Check the labeling - there should be an icon USB 2.0 Data.
• 🚫 Connection without power adapter: HDMI-Micro-USB adapters require additional power. Without it, they won't work.
• 🚫 Wrong regime. USB On your smartphone: If you select Charging instead of File Transfer, the TV won’t see the device.
• 🚫 Outdated TV firmware: Samsung TVs 2017-2018 without Miracast update may not work.

How to check the cable for compatibility:

1. Connect your smartphone to your computer.
2. If the computer recognizes the device as a media device (not just a charging device), the cable fits.

⚠️ Note: Some Xiaomi Mi TVs TV when connected through USB This means that the TV is blocking non-certified devices. Solution: Enable the developer mode in the settings of the TV (Settings) → On TV. → Version of the software - tap 7 times) and turn off the check USB-device.

FAQ: Answers to Frequent Questions