Makes sure that "prepared" folder doesn't exist.
It only should exist as a temporary folder in wich flashtools expand the firmware upon flashing it.
Delete that folder prior to start flashing
Sent from my C6603 using xda app-developers app
Sent from Quo'nos via subspace transmission.
SonyEricsson Xperia X8, Neo, Arc, SGSII, SGSIII, Sony Xperia Z (LTE).