Procedure:
*Use Samsung V804 Cable
*Open Samsung 3G
*Read Info
*Click Unlock SP
*Done....

Count supported models - 214
Searching Samsung USB interface... not found
-----------------------------
Model: SGH-A707
CountryCode: ATT
Factory SW: A707UCGD2
UniqueNumber: 80020000068313
MemoryPhone: NAND01GW3M2A
IMEI: xxxxxxxxxxxxxx
Phone S/N: RVGP517819
Build: M6275B-KMRZ-3.2.7112_1S
Done with Samsung 3G tool ver 8.5
-----------------------------
Model: SGH-A707
CountryCode: ATT
Factory SW: A707UCGD2
UniqueNumber: 80020000068313
MemoryPhone: NAND01GW3M2A
IMEI: xxxxxxxxxxxxxxxxxxxxx
Phone S/N: RVGP517819
Build: M6275B-KMRZ-3.2.7112_1S
Reading SysInfo... OK
Calculating... OK
Searching Samsung USB interface... not found
Unlocking... OK (time - 00:00:03)
Done with Samsung 3G tool ver 8.5
Thanks....
*Use Samsung V804 Cable
*Open Samsung 3G
*Read Info
*Click Unlock SP
*Done....

Count supported models - 214
Searching Samsung USB interface... not found
-----------------------------
Model: SGH-A707
CountryCode: ATT
Factory SW: A707UCGD2
UniqueNumber: 80020000068313
MemoryPhone: NAND01GW3M2A
IMEI: xxxxxxxxxxxxxx
Phone S/N: RVGP517819
Build: M6275B-KMRZ-3.2.7112_1S
Done with Samsung 3G tool ver 8.5
-----------------------------
Model: SGH-A707
CountryCode: ATT
Factory SW: A707UCGD2
UniqueNumber: 80020000068313
MemoryPhone: NAND01GW3M2A
IMEI: xxxxxxxxxxxxxxxxxxxxx
Phone S/N: RVGP517819
Build: M6275B-KMRZ-3.2.7112_1S
Reading SysInfo... OK
Calculating... OK
Searching Samsung USB interface... not found
Unlocking... OK (time - 00:00:03)
Done with Samsung 3G tool ver 8.5
Thanks....