1. Download the Sony PC Companian here
2. Download the Free Unlock Root Pro 1 link here or 2nd link here ( this is a RAR file please extract using B1 download here )
3.Extract the RAR file and after extract it will be like in the picture below
4. Click and follow the instruction given on the ULR.Pro4.10
5. after installation complete it will ask you to put the number serial. Open the number serial notepad and copy the number serial.
7. Not understand?? easy.. watch these video.. :)