Samsung E1200I Unlock done in one Second... 
Selected model: E1200I
Selected port: COM55 SciCmpst Diag
Selected port speed: 921600
Reading phone info... OK
IMEI Master: 356003064490794
Product code: GT-E1200ZKISUW
Phone HW: MP 0.300
Phone S/N: R21F84BJLM
Unlocking... OK
Done with Samsung Tool v.18.9