http://www.androidwala.com/how-to-update-android-version/ You can update your Android ‘jelly bean’ to ‘Kitkat’, if your device is not too old/stale. You will required more than ‘Kitkat’ because if you try to do an ‘over the air’ update after ‘rooting’, then you will run inside the ‘problems’ like ‘losing root or breaking your device’.