sony tablet p Root problem

[frazgem9193]

hi
this is fraz, i have problem with root on sony tab p ,trying to root 5.27 as i am based in china, tab come from japan
after root start
[*] CLICK ''restore my data'' ON DEVICE
after this cant move next, i have try many time, but nothing

Android version 4.0.3

baseband version R3B01

kernel version 2.6.39.4

plz help me
thank you