Stuffs Required: A rooted Android mobile, your wise brain, this guide, any file explorer which can access root files (recommended: root explorer)
Instrucrions
- Open Root Explorer.
- Go to /system folder.
- Mount the system as Read/Write from the top right corner.
- You will find a file named build.prop there.
- Long press that file and open it in text editor.
- Find the line named ro.build.version.release and change the value after = to anything you want your Android version to be.
- Press menu and hit Save.
- Reboot
- Enjoy