model: samsung 740sc (softbank)...
status: network lock...
successfully unlock using z3x box & 730sc cable...
firts step:
open z3x samsung 3gtool v9.3...
select model & connect jr45/usb cable (install driver if need)...
select port & tick manual model select...
click info...tapos tignan mo kong anong software version ng unit,
yon din ang eload mong unlock & media patch, download from z3x support...
tapos click update firmware...
wait until finish...salamat po!!!
update firmware on going:

ito finish product:
status: network lock...
successfully unlock using z3x box & 730sc cable...
firts step:
open z3x samsung 3gtool v9.3...
select model & connect jr45/usb cable (install driver if need)...
select port & tick manual model select...
click info...tapos tignan mo kong anong software version ng unit,
yon din ang eload mong unlock & media patch, download from z3x support...
tapos click update firmware...
wait until finish...salamat po!!!
update firmware on going:

ito finish product: