How to connect Xiaomi Redmi 9 to your computer: all ways + fixing errors

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

Connecting Xiaomi Redmi 9 to a PC opens up a lot of possibilities, from simple transfer of photos to firmware through Fastboot. However, even this routine operation often turns into a headache due to errors. MTP, Lack of drivers or blocking from the side MIUI. In this article, we will analyze all current ways of connecting - from the standard USB-cable to wireless solutions, and solve typical problems faced by users.

The Redmi 9 (M2003J15SC/M2003J15SS) is based on MIUI with Android 10/11, which has USB debugging restrictions enabled by default, which means that simply plugging a cable into the port is not enough – you need to properly configure the connection mode and possibly install additional drivers. If you have not experienced such manipulations before, the following sections will help avoid common errors.

Method 1: Standard USB connection (MTP mode)

The most obvious method is to use the original USB Type-C cable that came with the phone, but even here, there's a nuance: cheap, uncertified cables may not support data transmission, limited to charging, so that the connection is successful:

• 🔌 Use the original cable or certified analogue (e.g. from Anker or Baseus).
• 📱 Unlock the phone screen – Redmi 9 won’t show up in Explorer if the device is locked.
• 🔄 When you first connect, select File Transfer Mode (MTP) drop-down.
• 🖥️ On a Windows PC 10/11 driver MTP It is installed automatically, but sometimes manual installation is required (more on this below).

If the phone is not detected after connection:

1. Check the USB port on your PC – try another connector (preferably USB 3.0).
2. Reboot both devices.
3. In the Settings → System → For developers, turn on USB Debugging (if the partition is hidden, tap 7 times on the Build Number in About Phone).

Method 2: Connect in PTP mode (for photos)

PTP (Picture Transfer Protocol) is useful if you need to quickly copy photos, but other files are not required. Unlike MTP, this protocol is better compatible with macOS and Linux, where sometimes there are problems with mounting Xiaomi as a drive.

How to turn on PTP:

1. Connect the phone to the PC.
2. Swipe down the notification panel and tap on the Charge message via USB.
3. Select Photo Transfer (PTP).

⚠️ Attention: In mode PTP You'll only see the folder. DCIM Photos and videos, other memory areas will be blocked.

If the PC does not display photos:

• 🔍 Make sure that the phone has enabled the display of hidden files (in Explorer) MIUI press ⋮ → Settings → Show hidden files).
• 📁 Check if the photo is stored in internal memory, not in the SD-The map (the PC may not see it).

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If you share photos often, create a shortcut for your phone's DCIM folder on your PC, drag it to your desktop with the Alt (Windows) key pressed.

Method 3: Wireless connection via Mi Assistant

For those who don’t want to mess with cables, Xiaomi offers the official solution – the Mi PC Suite utility (formerly Mi Assistant), which allows you to manage files, install applications and even make backups over Wi-Fi.

• 🌐 Phone and PC should be on the same Wi-Fi network (5 GHz is preferred).
• 📱 The latest version of Mi Assistant must be installed on the phone (downloaded from GetApps or Google Play).
• 🖥️ PCs require Windows 7 and higher (macOS is not supported).

Step-by-step:

1. Download and install Mi PC Suite on your computer.
2. Run the application on your phone and PC.
3. Scan it. QR-code from the computer screen with the phone camera.
4. Confirm the connection on both devices.

Method 4: Connecting through ADB (for developers)

If you need to not just copy files but gain full control of the device (for example, to install custom firmware or debug applications), you will need ADB (Android Debug Bridge), which is suitable for power users, since it requires configuration on both devices.

What you need:

• 📋 Included Debugging by USB on the phone (Settings) → System system → For developers).
• 🖥️ Installed drivers Xiaomi and ADB-tools on PC (you can download from the Android website).
• 🔌 Data-enabled cable (not just charging!).

Instructions:

1. Connect your phone to your PC and select File Transfer Mode (MTP).


2. Open the command line (Windows) or the terminal (macOS/Linux).




3. Enter the command:




adb devices




4. If the device appears in the list, enter:




adb shell




Now you can execute commands directly on your phone.

⚠️ Attention: Wrong commands ADB Do not use fastboot without understanding the consequences – it can block the bootloader)!

Method 5: Using cloud services (alternative to connectivity)

If a physical connection is not possible for some reason (for example, a broken USB port), you can transfer files through cloud services. Xiaomi Redmi 9 supports:

• ☁️ Mi Cloud (5GB free, integrated into the MIUI).
• 📁 Google Drive (15GB free).
• 🔗 Telegram (sending files up to 2 GB to Save Messages").
• 🌍 LocalSend (application for transferring files over a local network without the Internet).

How to upload files to Mi Cloud:

1. Open the Mi Cloud app on your phone.
2. Sign in with your Xiaomi account.
3. Select the Files section and click Download.
4. On PC, log in to i.mi.com and download the files you need.

The advantage of cloud services is access to files from any device, but there are also disadvantages:

• ⏳ Download speed limit (especially on free rates).
• 🔒 Risk of data leakage when using public networks.
• 💾 Limited space (for example, only 5 GB in the Mi Cloud).

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For large files (video, backups), it is better to use USB or LocalSend, and cloud services are convenient for documents and photos, but not for bulk data.

Solving common connection errors

Even with the right settings, Redmi 9 may not be detected on PCs.

The Redmi 9 is a feature that you use. SD-Card as internal memory (Adoptable Storage function), PC may not see its contents in mode MTP. In this case, temporarily remove the card and connect it through the card reader.

If none of the methods helped:

• 🔧 Try another cable or port. USB.
• 📵 Restart your phone in Safe Mode (hold the switch off button) → Shut down the power. → long-tail).
• 🔄 Reset the settings. USB (Settings → System system → Reset → Resetting settings USB).

FAQ: Frequent questions about connecting Redmi 9 to PC