Hướng dẫn root và unroot Galaxy y Duos

Downloads:

1) Rooting ZIP - Download
2) UnRooting ZIP - Download 

Steps to Root Galaxy Y Duos

1) Backup your System first (Needed)
2) Now download the Rooting File from Above (update.zip)
3) Now copy update.zip file to the SD Card. Do Not put it in any folder. It ain't work.
4) Turn Off your Device and go to Recovery Mode By Pressing and Holding this Key CombinationVolume Up + Home Button + Power Button.
5) Once you entered into the Recovery Mode. You will see the Blue Color User Interface where you can't use Touchscreen. Instead use "Volume Up and Volume Down to move Up and Down". And "Home Button to Select". And "Power Button used to go Back"
7) After that select "Apply Update from SDCard" option and choose "update.zip".
8) Once Patching was successful. You have to Reboot your Phone by select "Reboot System Now".
9) Navigate to Menu, If you find "SuperUser" in your app menu. Vola!!!! You're successfully Rooted your Galaxy Y Duos...

Steps to UnRoot Galaxy Y Duos

1) Backup your System first (Needed)
2) Now download the UnRooting File from Above (unroot.zip)
3) Now copy unroot.zip file to the SD Card. Do Not put it in any folder. It ain't work.
4) Turn Off your Device and go to Recovery Mode By Pressing and Holding this Key CombinationVolume Up + Home Button + Power Button.
5) Once you entered into the Recovery Mode. You will see the Blue Color User Interface where you can't use Touchscreen. Instead use "Volume Up and Volume Down to move Up and Down". And "Home Button to Select". And "Power Button used to go Back"
7) After that select "Apply Update from SDCard" option and choose "unroot.zip".
8) Once Patching was successful. You have to Reboot your Phone by select "Reboot System Now".
9) Navigate to Menu, If you cant find "SuperUser" in your app menu. Vola!!!! You're successfully UnRooted your Galaxy Y Duos...

This Package was created by Millan.SIS @ XDA... Thank him if you like this package.. For any doubts ask in Xda..


Enjoy and Peace!!!!

Source: http://www.galaxyyoung.in/2012/05/how-to-root-and-unroot-samsung-galaxy-y.html