ใช้ SuperOneClick v2.1.1.0 ครับ

Checking if rooted…
False
OK 0.12s

Installing BusyBox (temporary)… – Step #1
1730 KB/s (1062992 bytes in 0.600s)

OK 0.69s

Installing BusyBox (temporary)… – Step #2

OK 0.02s

Rooting device… – Step #1
1336 KB/s (585731 bytes in 0.428s)

OK 0.51s

Rooting device… – Step #2

OK 0.02s

Rooting device… – Step #3

OK 0.02s

Rooting device… – Step #4
mmap() failed. Operation not permitted
FAILED