Why Redmi Note 4 doesn’t connect to PC and how to fix it
Xiaomi Redmi Note 4 (mido and nikel models) is still popular with users due to the reliability and ability to install custom firmware. The phone is not defined as a drive, it doesn't transfer files, or it just charges without access to memory. USB-mode, absence of drivers or blocking MIUI.
In this article — 5 Proven connection methods (including hidden functions) MIUI), Dealing with Device Unidentifiable Errors and Windows Instructions 7/10/11, Linux and macOS. Special attention is paid to the developer mode and ADB-Debugging, which is often required for firmware or data recovery.
If your Redmi Note 4 is not recognized by your computer, start by checking the cable – 60% of the problems are caused by damaged wires or a broken cable. USB-We'll go through the step-by-step solutions for each case.
Method 1: Connect via USB in file transfer mode (MTP)
The most common method is the use of the Media Transfer Protocol (MTP), which allows you to share files between your smartphone and your PC without rooting.
- Step 1 Connect Redmi Note 4 to your computer using the original USB-cable (preferably from the set).
- Step 2: Unlock the phone screen – without it, the connection will not be activated.
- Step 3. In the notification curtain, tap on the option “Charge via USB” (or “USB to transfer files”).
- Step 4: Select File Transfer (MTP) mode.
If there is no "File Transfer" item, then the developer mode is disabled on the phone or an outdated version of MIUI is installed. Update the firmware through Settings → About the phone → System Update.
Use the original Xiaomi cable|Unlock the smartphone screen|Check the port. USB On PC (try another one)|Turn off the others. USB-computer-operated-->
⚠️ Warning: Windows 7 may require manual driver installation MTP USB Download it from Microsoft's official website or through the Mi program. PC Suite.
Method 2: PTP Mode (for photos) and MIDI
If MTP doesn’t work, try alternative protocols:
- 📷 PTP (Picture Transfer Protocol - suitable for transferring photos and videos, selected from the same menu as the one used MTP.
- 🎵 MIDI — It is rarely used, but can help if other modes are blocked by antivirus.
- 🔌 Charging only – disables data transfer (useful if you just need to charge your phone).
To activate PTP:
- Connect the phone to the PC.
- In the notification curtain, select “Imaging Transfer (PTP)”.
- Open “This Computer” on your computer and the phone will appear as a camera.
If and PTP It does not work, check the settings. USB-Also make sure that your PC doesn’t have conflicting drivers from other manufacturers (such as Samsung or Huawei).
Method 3: Connecting via Wi-Fi (without) USB-cable)
If the cable is damaged or USB-The port is broken, you can transfer files over the local network:
- Install the Mi Drop app (official from Xiaomi) or Pushbullet’s Portal on your phone and PC.
- Connect both devices to the same Wi-Fi network.
- In Mi Drop, click “Send” on your phone and “Get” on your PC (or vice versa).
Advantages of the method:
- 🚀 Transfer speeds up to 10 MB/s (depending on the router).
- 🔄 There are no limits on file sizes (unlike Bluetooth).
- 🔒 Data is transmitted in encrypted form.
⚠️ Note: When using public Wi-Fi networks (cafes, airports) turn on VPN on both devices to avoid data interception.
Method 4: Connecting through ADB (for developers)
The Android Debug Bridge (ADB) protocol is used to debug, firmware or restore data, and connect Redmi Note 4 via ADB:
- Activate Developer Mode: Go to Settings → About Phone. Tap 7 times on MIUI Version. Go back to Settings → Additional → Developer.
USB debugging
ADB Tools
adb devicesIf the device is displayed, the connection is successful.
ADB allows:
- 📱 Install APK phone-free.
- 🔧 Recover data after resetting.
- 🛠️ Stripping Custom Recovery (TWRP).
How to fix the "unauthorized" error in ADB?
Method 5: Use of Mi PC Suite (official software)
Xiaomi’s Mi PC Suite makes it easy to control your phone from your computer, automatically installing drivers and supporting:
- 📁 Backup and recovery of data.
- 📱 Installation of applications and updates.
- 📊 Viewing device information.
Instructions for connection:
- Download Mi PC Suite from the official website.
- Install the program and connect Redmi Note 4 via USB.
- In the curtain of the phone, select the "File Transfer" mode.
- Wait for the automatic installation of drivers (you may need to restart the PC).
| Problem. | Reason. | Decision |
|---|---|---|
| Phone's not being determined. | There are no MTP drivers | Install Mi PC Suite or download the driver from Microsoft’s website |
| There's a mistake «USB-device not identified» | Driver conflict or damaged cable | Try another cable/port, remove old drivers through Device Manager |
| Files on the phone are not opened. | Blocking MIUI or a virus | Disable the antivirus, check permissions for folders |
| ADB does not see the device | USB debugging is not enabled | Activate Developer Mode and Allow Debugging |
Addressing common mistakes
If the Redmi Note 4 doesn’t connect to your PC, check out the following:
- 🔌 Cable and port: Use the original Xiaomi cable (low-quality wires often don't transmit data). USB-port on the computer (preferably) USB 2.0).
- 🖥️ Drivers: On Windows, remove the device in Device Manager (Portable Devices) and reconnect the phone.
- 📱 Settings MIUI: B Settings → Connections and sharing → USB Select “File Transfer” instead of “Facing Only».
- 🛡️ Antivirus: temporarily disable protection (for example, Avast or Kaspersky can block the security system). MTP).
For Linux (Ubuntu, Mint) you may need to install the mtp-tools package:
sudo apt install mtp-toolsOn macOS, use Android File Transfer, and if the program can't see the phone, reboot both devices.
💡
If the phone is connecting but the files are not being copied, try rebooting the MTP service on your smartphone. To do this, turn off the cable, go to Settings → Apps → All Applications → Media Drive and click Stop.
FAQ: Frequent questions about connecting Redmi Note 4 to PC
My computer makes the connection sound, but the phone doesn't show up in "This Computer." What do I do?
Can I connect Redmi Note 4 to a PC without cable?
Why does the phone charge but not transfer files?
How to connect Redmi Note 4 to PC in Mass Storage (UMS) mode?
Do I need to unlock the bootloader to connect to the PC?
💡
If the phone is not connected by any means, check the integrity. USB-The problem is often mechanical damage to the connector (oxidation, bent contacts).