os pongo lo que me sale en el superoneclick:
SuperOneClick v2.1.1.0
Checking drivers...
Killing ADB Server...
OK 0,57s
Starting ADB Server...
* daemon not running. starting it now on port 5037 *
* daemon started successfully *
OK 4,19s
Waiting for device...
OK 0,04s
2.3.3
Getting manufacturer...
samsung
OK 0,03s
Getting model...
GT-I9000
OK 0,03s
Getting version...
XWJVN
OK 0,03s
Checking if rooted...
ls: not found
FAILED