1.Download the file there and rename iit to update.zip
2.Put it on to your sd-card
3.shutdown the phone
4.press the camera button and the power button and hold bothe pressed until the warn sigb appears /!\
5.when the sign is there press the camera button and the volume + trigger at the same time (maybe you will need sometime to try it because it has to be rly at the same time)
6.when you have pressed those the recovery menu will appear, just apply the update.zip there
Maybe the will be an error, dont worry its normal, to make sure that its rooted you can just apply the update again
This is not the 2.0.1 update, its just a root patch.