I think because the unlocking commands are going into the phone through the air and they get corrupted in the air. With bluetooth it's going through radio frequencies, which is reliable.
here is the new work code reader for 3G phones:
http://s65.yousendit.com/d.aspx?id=26KDLVZ2SWIGK1QH81KRG4LYZJ
and th usb driver:
http://s65.yousendit.com/d.aspx?id=2YYK7B9QV95RN19HXVGMSV8J3U
use the simple E720 4wire usb cable (exmpl.Z140v) tested by me.
All OK now, bad connection at serial connector, bridge soldered an old serial plug. Works a treat...Can IMEI be written? that function does not seem to work
Start unlock phone...
Check Serial Communication with the phone. Wait...
Serial COM. - GOOD
Wait! DETECT USB PORT...
Searching SAMSUNG Modem...
USB Port OPen Sucess
Lock Read Fail
please
i need the different software we must use to unlocked and unfreezed my phone. i have a sgh z140v. the links give in the forum doesn't work.
thanks for your help. you can send their at this mail. [email protected]