This update.zip & unroot.zip is prepared by me for GT-S6102 ( GALAXY Y DUOS)
For CWM view 2nd post below
Before proceeding... Backup your data or make a nandroid backup using cwm
1. su binary 220.127.116.11
2. Chainsdd Superuser 3.0.7 (41)
3. Busybox 1.19.3.
How To :
1. Download & copy the below attached "update.zip" to the root of your sdcard.
2. Turn off phone.
3. Press & hold (Power + Volume Up + Home) keys & release when sgy duos logo appears.
4. You will be in recovery, select "select update.zip from sdcard".
Remember in recovery touchscreen will not work use volume up down & home keys.
5. Select "update.zip".
1. Uninstall all [Root] apps.
2. Download "unroot.zip"
3. Do as directed above..
4. This time select unroot.zip
Busybox remover Added
Busybox 1.20.0 update !
*If having problem, use cwm to flash update.zip & unroot.zip
Remember i'm not responsible if your phone get bricked during or after rooting !