Samsung A877 At&t Direct Unlocked in Z3X Box

-select A821 in model selection
-must be in qualcomm mode
-use e210 cable usb+comport 
-tick sp unlock...!

Selected model: A821
Selected port: COM8 Z3X BOX Serial Port
Selected port speed: 115200
Reading phone info... OK
Model: SGH-A877
Country code: ¹Ì±¹/ATT
Cal date: 2009-05-19
Factory SW: UCID3
Unique number: 80150000980323
Memory phone: KAV00500FM(A877)
Phone S/N: RUOZ273516
Reading IMEI... OK
IMEI: 358696035019549
Build: M6290A-KPMZL-1.2.003503T
Reading sysinfo... OK
Calculating... OK
Writing sysinfo... OK
Reseting...
Unlock done
Done with Samsung Tool v.15.2