How to Root Android Froyo on the Samsung Vibrant

Enabling Third-Party Applications

1. Press the 'Menu' button on the Vibrant's main screen and tap 'Settings.'

2. Touch 'Applications' and check the box labeled 'Unknown sources.' The phone will display a warning message. Tap 'OK' to confirm.

3. Press the 'Home' button to return to the main screen.

Rooting With z4root

4. Tap the 'Web' icon to open the browser.

5. Type 'forum.xda-developers.com/showthread.php?t=833953' in the address bar and press 'Enter.' You will see a support forum page. Click the 'z4root.1.3.0.apk' file at the bottom of the first post. The file will download and install automatically.

6. Press the 'Home' button to return to the main screen and open the application screen.

7. Touch the 'z4root' icon and tap 'Root.'

Rooting With SGH-959 Root Update

8. Press the 'Menu' button on the phone's main screen and touch 'Settings.' Tap 'Applications' and touch 'USB settings.' Select 'Mass storage.'

9. Plug the Vibrant into the USB port on your computer using the USB data cable that came with the phone. The Vibrant will display a prompt asking what you want to do. Touch 'Mount USB.' The computer will detect the phone as a USB drive. If you have a memory card installed, the computer will detect the card and the phone as separate drives.

10. Open your computer's web browser and download the SGH-959 Root Update.zip file from forum.xda-developers.com/showthread.php?t=723479. Save the file into the phone's internal memory. If you have a memory card installed, make sure the drive you save the file in contains a folder called Android.

11. Click the Start button on the Windows task bar and select 'Computer.' The Vibrant will appear as a drive under 'Devices with Removable Storage.' Double-click the drive to open it and look for a folder called Android. If you don't see an Android folder, it means you are looking at the memory card.

12. Right-click the SGH-959 Root Update.zip and select 'Rename.' Change the name to 'update.zip.'

13. Disconnect the Vibrant and turn it off. Hold down the volume up button and press the power button to turn it back on. The phone will reboot into a recovery screen. Repeat this step if it reboots normally.

14. Press down on the volume rocker switch until 'Reinstall Packages' is highlighted. Press the power button to select. When the phone comes back on, it will be rooted.