Unrooting Galaxy young

On a previous post, I have discussed about how to rooting Gyoung and in this time I will discussed about unrooting and how this may...
Following step :
1. You must download update-unroot.zip
2. Place the file to SD card
3. Turn off your Gyoung
4.Go to recovery mode, by preesing Home buttonn + volume up + power button simultaneously

5. Select apply update from SD card, use home button to ok and volume button to move up or down

6. Select update-unroot.zip, ok
7. Reboot system now

8. finish

I hope this post usefull...thanks