How to connect Xiaomi Redmi 9T to your computer: all ways + error solving

Why you need to connect Redmi 9T to your computer and what problems can arise

Connecting a Xiaomi Redmi 9T smartphone to a computer is a challenge that every user sooner or later faces: someone wants to transfer photos and videos from their phone to their PC, someone needs to install custom firmware via fastboot, and some just want to manage files through a large screen. However, even such a simple operation can turn into problems: the computer does not see the phone, drivers are not installed, and the conductor instead of folders displays an empty screen.

The main reasons for the problems are the settings of the Redmi 9T itself, outdated drivers on the PC, or incompatible data protocols. For example, many users experience the fact that when connecting via USB, the phone charges, but is not defined as a drive, because the default MIUI only activates charging, not transferring files (MTP), another common problem is the lack of an ADB Interface driver to work with tools like the Mi Flash Tool or fastboot.

In this article, we will analyze all the current ways to connect Xiaomi Redmi 9T Computer: From the standard USB-Connect to wireless file transfer via Mi Assistant, and give clear instructions on how to fix common bugs so you can work with your phone without restrictions.

Method 1: Connect via USB (MTP mode)

The most common and reliable method is to use a USB Type-C cable that comes with Redmi 9T. By default, the phone supports the MTP (Media Transfer Protocol) protocol, which allows you to share files through Windows Explorer.

Here's the step-by-step instruction:

1. Connect your phone to your PC using the original cable, and using uncertified wires can lead to data transmission problems.
2. Unlock the Redmi 9T screen – Some versions of MIUI block your PC connection when the screen is locked.
3. Select the connection mode: 📱 The phone will be notified by charging through USB. Put it on him. 🔄 In the menu, select File Transfer (MTP) or Transfer of photographs (PTP) (If you need to work with images in Lightroom or Photoshop).

Wait for the drivers to install

If after these actions the phone still does not appear in the conductor, check the following points:

• 🔌 Try another one. USB-port (preferably) USB 3.0 blue).
• 🔄 Restart both devices – sometimes it solves the driver problem.
• 🛠️ Make sure that the PC has the latest drivers for Xiaomi (more on this in the next section).

Use the original Xiaomi |Unlock the phone screen |Select MTP mode in the notification |Check USB 3.0 |Update drivers on PC-->

If you are connecting Redmi 9T for the first time, Windows may request permission to access the device. Allow access, otherwise file transfer will not be possible. Also note that some antiviruses (such as Kaspersky or Avast) may block the connection - temporarily disable them if problems arise.

Method 2: Install drivers for Xiaomi Redmi 9T manually

Automatic driver installation is not always smooth, especially on older versions of Windows or using non-original cables. If your computer does not recognize the Redmi 9T as a media device, you will have to install drivers manually, and there are two proven methods for this: through the Mi PC Suite or using the universal package Xiaomi USB Drivers.

Method 1: Installation with Mi PC Suite

• 📥 Download the official Mi utility PC Suite from Xiaomi website.
• 🖥️ Install the program on your computer by following the instructions of the installation wizard.
• 🔌 Get Redmi on board. 9T To the PC and launch the Mi PC Suite.The program will automatically install the missing drivers.

Method 2: Manual installation via Device Manager

1. Open Device Manager on PC (click Win + X → select the appropriate item).
2. Find a device with a yellow exclamation point (usually called Redmi 9T or Android) on the list.
3. Right-click on it → Update the driver → Search for drivers on this computer.
4. Select I have a drive and specify the path to the downloaded driver (you can use the official package from Xiaomi).

If drivers are still not installed, try disabling digital signature verification in Windows:

⚠️ Warning: Disabling driver signature verification can reduce system security. Use this method only if other methods have not worked, and immediately turn on the check back after installation.

1. Press Win + R → enter shutdown /r /o /f /t 0 → Enter.


2. After the reboot, select Troubleshooting → Additional settings → Boot options → Reboot.




3.When downloading, press F7 to disable signature verification.

Automatic installation via Windows|Mi PC Suite| Manual installation via Device Manager |Never installed drivers-->

Method 3: Connect via Wi-Fi (Mi Assistant or FTP)

If you do not have a cable or USB-The port on the computer does not work, you can connect Redmi 9T There are two main methods for doing this: through the proprietary Mi Assistant app or through the built-in FTP-server MIUI.

Method 1: Mi Assistant (official method from Xiaomi)

• 📱 Install the Mi Assistant app from Google Play on your phone (if it’s not available by default).
• 🖥️ Download and install the desktop version of Mi PC Suite on the computer.
• 🌐 Connect both devices to the same Wi-Fi network.
• 🔗 Run Mi Assistant on your phone and scan it. QR-code that appears in the Mi PC Suite on PC.

The advantage of this method is that it can not only transfer files, but also manage notifications, messages and even mirror the screen. However, the Mi Assistant sometimes works unstable on older versions of MIUI, so if the connection is constantly broken, try an alternative method.

Method 2: FTP-the server via Total Commander or ES Conductor

• 📱 Set it on Redmi. 9T Any file manager with support FTP (For example, Total Commander or ES Conductor).
• 🌍 In the manager settings, find the section FTP-server and activate it.
• 📋 Remember or copy the address of the species ftp://192.168.x.x:xxxx, login and password (usually anonymous without password).
• 🖥️ On the computer, open the Explorer → enter FTP-address → press Enter.

This method is slower than USB, but does not require cable, and the transmission speed depends on the quality of the Wi-Fi network — at 5 GHz it will be higher than 2.4 GHz.

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If FTP-If you're constantly shutting down, try turning off the power saving Wi-Fi on your phone. → Battery and productivity → Manage battery consumption with applications and add your file manager to exceptions.

Method 4: Developer Mode and USB Debugging (ADB)

If you need to transfer files, you need to get full access to the Redmi system. 9T (for example, to install custom recavator or firmware, you will need to turn on the developer mode and debugging on USB. This method is also useful if the standard MTP-connection is down.

How to enable debugging by USB:

1. Go to Settings. → The phone.
2. Find the MIUI version and tap it 7 times until you become a developer!
3. Return to the main settings menu → open the section Additional → For developers.
4. Activate the switches: 🔧 Debugging by USB 🔄 Unlocking OEM (If you are planning to unlock the loader)

Redmi 9T

You can then use ADB commands to control your phone, for example, to check the connection, type in the command line:

adb devices

If you see the serial number of your Redmi 9T in the answer, it's set up correctly, and you can now copy files through ADB, install APKs, or even backup the system.

⚠️ Attention: Enabling Unlocking OEM Resets all data on your phone the first time you activate! Do not turn on this option unless you plan to unlock the bootloader.

Method 5: Alternative Connection Programs (AirDroid, Snapdrop)

If standard methods don't work, you can use third-party applications to wirelessly transfer files, which often offer more features than built-in MIUI tools, such as remote management or SMS transmission from a computer.

1. AirDroid

• 📱 Install AirDroid on Redmi 9T Google Play.
• 🖥️ Register at airdroid.com or via the app.
• 🌐 Connect both devices to the same Wi-Fi network or use remote access via your account.
• 📁 Now you can transfer files, manage notifications, and even mirror your screen.

2. Snapdrop (no need to install the application)

• 🌍 Open snapdrop.net on your phone and computer in the same browser (e.g. Chrome).
• 🔗 Devices will automatically detect each other if they are on the same network.
• 📤 Drag files into the browser window on your PC or phone to send them.

Snapdrop has the advantage of not having to register or install programs, but the speed of transfer depends on the stability of the Wi-Fi network. For large files (video, backups), it is better to use USB or AirDroid with a premium subscription (increases the speed limit).

Solving common connection problems

Even after setting up the connection correctly, errors can occur, and below we have collected the most common problems and ways to solve them.

If none of the methods worked, try resetting your network settings to Redmi 9T:

1. Go to Settings. → SIM-maps and mobile networks → Resetting network settings.
2. Confirm the reset and restart the phone.
3. Repeat the connection attempt.

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If the problem persists after all the manipulations, check the phone for hardware malfunctions. USB-The port or controller can block data transmission even if charging is working.

FAQ: Frequent questions about connecting Xiaomi Redmi 9T to PC