Download bahan :
http://www.unlockroot.com/download.html
1. Centang usb debugging (setting-->Developer options-->Usb debugging (Centang)
2. Centang Unknown source (Setting-->Security-->Unknown Rource (Centang)
3. buka program unlockroot
4. colokin hh ke pc agan
5. klik tombol ROOT di app unlockroot nya
6. ikuti step-stepnya
Bagi Xperia Miro nya yang tidak kedetect di Komputer/ PC
Cukup Download & Install:
http://www.sonymobile.com/gb/tools/update-service/