How To Root T989 T-Mobile S2. [INSTRUCTIONS:]
[Prerequisites:]
Odin V1.85 ClockWork Recovery Superuser+Su [Step:]
1.Put the Superuser.zip file on your internal SD
2.Take the battery out and place it back.
3.Hold both Vol up + Vol down, and plug the USB cable in.
4.On ODIN, Select the PDA button and browse to the recovery-cwm-hercules.tar.
5.It should flash the file to Recovery and reboot the phone.
6.Take the battery out again and now boot into recovery.
7.Power off phone, unplug USB, Hold Both Vol up + Vol down and Hit power
8.PERFORM NANDROID BACKUP FOR YOUR OWN SAFETY*
9.Select Install zip from sdcard, choose the Superuser .zip and let it finish.
10.Reboot!
Cograts T989 T-Mobile S2 Now Rooted