USB FTDI 2 in 1 Cable Set for 4SE Dongle - USB FTDI Cable Kit for 4SE Dongle and Cruiser! Includes two interchangeable heads, one for mobile phones with T68/K600 connector and another for the cell phones with K750 connector type. Are required for A1 SonyEricsson platform (DB2000, DB201x and DB2020). Its use is indicated for unlocking, service, flashing, repairing, reset and read user and security codes, language change, etc ...