These are the instructions to root Celkon A9 Plus (running on android 4.0) using vRoot Application on Windows Computer.
Requirements: Your Celkon A9 Plus smartphone should have at least 30-40 percent of batter to perform the rooting process.
Step 1: Enable USB debugging on your Smartphone. To enable USB Debugging: Open Settings > Developer Options > USB Debugging > Tick to enable.
(Developers Option is hidden for Android 4.2.2 or above, to unhide Go to Settings > About Phone > Built Number (Tap on it for 5-8 times).
Step 2: Download and install vRoot Application on your Windows Computer.
Step 3: Once vRoot Application is installed on your Computer, Open It.
Step 4: Once vRoot Application is launched, connect your smartphone to the computer.
Step 5: Once your Celkon A9 Plus is connected successfully to the computer, vRoot will automatically detect your Smartphone.
Step 6: Now, Click on the “Root” button to begin the rooting process.
Step 7: Now, vRoot will automatically “Reboot” your Smartphone and install the SuperSU Application.
Step 8: Now your Celkon A9 Plus Smartphone is Rooted. To check whether your phone is rooted correctly, open Applications Menu, there you will be able to see a new app installed, called SuperSU. If this app exist then it means you have successfully rooted your device.
Optional: You can also verify the root status of your device by using the Root Checker Application.
[*] No data loss process: Your Android Phone Data like contacts, pictures, videos, music and etc will be not affected with this method.
[*] Warranty Void: Your Celkon A9 Plus Smartphone Warranty may be void after following the above tutorial.
[*] Celkon Stock Firmware: If you are looking for the original Stock Firmware then head over to the Celkon Stock Firmware page.
[*] Celkon USB Driver: If you are looking for the original usb driver then head over to the Download Celkon USB Driver page.
[*] Credits: vRoot Application was created by Shenzhen (Developer). So, full credit goes to them for sharing the tool for free.