note 2 sc-02e 4.3 unlock done
UART Cable only
Type *#7284# Choose Modem for UART
Type *#9090# Choose DM over UART
Restart
read codes or direct unlock

Selected model: SC02E
Selected port: COM5 Z3X BOX Serial Port
Selected port speed: 115200
Reading phone info...
Build: M9615A-CEFWMAZM-2.0.146016
Reading security... OK
Searching server... OK
NET lock: 26292680
Sub lock: 00000000
SP lock: 00000000
For check lock status: *#7465625#
Done with Samsung Tool v.17.7
Selected model: SC02E
Selected port: COM5 Z3X BOX Serial Port
Selected port speed: 115200
Reading phone info...
Build: M9615A-CEFWMAZM-2.0.146016
Reading security... OK
Writing security... OK
Reseting...
Unlock done
Done with Samsung Tool v.17.7
UART Cable only
Type *#7284# Choose Modem for UART
Type *#9090# Choose DM over UART
Restart
read codes or direct unlock

Selected model: SC02E
Selected port: COM5 Z3X BOX Serial Port
Selected port speed: 115200
Reading phone info...
Build: M9615A-CEFWMAZM-2.0.146016
Reading security... OK
Searching server... OK
NET lock: 26292680
Sub lock: 00000000
SP lock: 00000000
For check lock status: *#7465625#
Done with Samsung Tool v.17.7
Selected model: SC02E
Selected port: COM5 Z3X BOX Serial Port
Selected port speed: 115200
Reading phone info...
Build: M9615A-CEFWMAZM-2.0.146016
Reading security... OK
Writing security... OK
Reseting...
Unlock done
Done with Samsung Tool v.17.7