Karbonn A21 USB Drivers

Having trouble connecting Karbonn A21 to PC? It might be a driver problem, so download Karbonn A21 Android USB Drivers and install them on Windows 10, 7, 8, 8.1, or XP PC. The Karbonn A21 USB Drivers provided here are official and are virus-free. Based on your need, download USB Driver for Karbonn A21 from the downloads section and install it on Windows PC by following the instructions provided below.

With Karbonn A21 USB Driver installed on the PC, we can establish a secure connection between Computer and Mobile. It helps transfer data like images, video, documents, and other files from Mobile to PC.

We have also provided Karbonn A21 ADB and Fastboot drivers, which help pass ADB commands and Fastboot commands to the Phone via Command Prompt (CMD) from the computer.

Download Karbonn A21 USB Driver

The Karbonn mobile drivers offered here can be used to flash stock firmware, stock recovery, TWRP recovery, CWM Recovery, Unlocking Bootloader, etc. It can also be used for general purposes, like transferring data and files.

Karbonn A21 Driver for Flashing Firmware

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How to install: Follow Tutorial

Karbonn A21 USB Driver for normal connecting to PC

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How to install: Follow Tutorial

The Karbonn A21 Fastboot and ADB drivers can be downloaded below.

Karbonn A21 ADB and Fastboot Drivers

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How to install: Follow Tutorial

[!] Note: If you face Driver Signature Error while installing the USB Driver, then watch this video to fix the problem.

Also Download: Karbonn A21 Plus USB Drivers

How to Install Karbonn A21 USB Drivers Manually

1. Download the latest_usb_driver_windows.zip file on your computer and extract it on Desktop.
2. Open the Device Manager on your computer by searching device manager from Windows Start Menu.
3. Now click on your Computer name in the Device Manager window.
4. Now click on Action and then select Add legacy hardware.
5. Add Hardware Wizard window should open, click on Next to continue.
6. Now select Install the hardware that I manually select from a list (Advanced) option and click on Next.
7. Select Show All Devices from the list and click on Next.
8. On the next screen, click on Have Disk… to open the Install From Disk window.
9. Click on Browse… and navigate to the folder where you have extracted the drivers in Step #1.
10. Now select android_winusb.inf file and click on Open and then on OK.
11. Select the Android ADB Interface driver from the list and click on Next.
12. Confirm the Hardware driver to install and click on Next to begin the installation process.
13. Once installed, click on Finish.
14. Follow Steps #3 to #13 again and install the Android Bootloader Interface driver and Android Composite ADB Interface driver.
15. Once all the listed drivers are installed, restart your computer.

How to Install Karbonn A21 ADB and Fastboot Drivers

1. Download and extract 15 seconds ADB installer on your computer.
2. Now right click on the adb driver installer setup file (adb-setup.exe) and click on Run as administrator.
3. Now a command prompt window with a blue background and white text should open.
4. It should ask whether you want to install ADB and Fastboot? Press the Y key on your keyboard and hit Enter.
5. Now, it should ask whether you want to install ADB system-wide? Again press the Y key and hit Enter.
6. Now, the ADB driver and Fastboot driver installation process should begin.
7. When finished, it should ask whether you want to install device drivers? Press the Y key and hit Enter.
8. Now the "Device Driver Installation Wizard" window should open.
9. Click on Next to continue installing the Google USB Drivers (WinUSB).
10. Once installed, click on Finish and reboot your computer.