So many problems with new tool since release please check this now:
Code:
Reading Phone Info... OK
Model: GT-S8300
Country Code: O2U
Cal Date: 2009-10-13
Factory SW: S8300ADII1
Unique Number: 80520000263629
Memory Phone: K5R2G1GACC(S8300)S
Phone S/N: RVOSC87290
Build: M6281A-KLRZR-4.0.9640
IMEI: 356276032906204
Reading SysInfo... Error Access Denied
Done with Samsung Tool ver 10.8.5