i9300 unlock error why? v 4.3

Selected model: I9300

Selected port: COM7 Z3X BOX Serial Port

Selected port speed: 115200

Searching Samsung modem... not found

Done with Samsung Tool v.17.4



Selected model: I9300

Selected port: COM7 Z3X BOX Serial Port

Selected port speed: 115200

Searching Samsung modem... not found

Done with Samsung Tool v.17.4



Selected model: I9300

Selected port: COM7 Z3X BOX Serial Port

Selected port speed: 115200

Reading phone info...

Model: Unknown

Android version: Unknown

Product code: Unknown

Phone version: Unknown

PDA version: Unknown

CSC version: Unknown

IMEI: Unknown

Phone S/N: Unknown

Checking Super user right... false

Rooting phone, please wait... error

Done with Samsung Tool v.17.4

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