1. Download and install LATEST SAMSUNG KIES
2. Transfer the root.zip (link) to the EXTERNAL CARD on Galaxy Tab Plus
3. Turn off the Galaxy Tab Plus
4. Enter Recovery
– Hold Volume UP button + Power Button
– When TAB turns ON, RELEASE POWER BUTTON (Keep Holding Volume UP Button)
– Will Enter Recovery
5. Select install update from EXTERNAL Storage
6. Look for the file root.zip and select it with power button
7. When Finish, REBOOT
Suggestions:
Go to MARKET and INSTALL SUPERUSER… Run this app and Update SU Binary
Go to MARKET and INSTALL BUSYBOX… Run this app and Install your chosen BusyBox version