"contact service" after flash

[Simzmobiles]

hi

i've tryed to flash 2, 3310's and after the flash they both say "contact service" afterways anyone no why this is? could it be that ii've used the wrong files?

[mali_kruno]

hi
could it be that ii've used the wrong files?
Yes, just make full flash, rebuild IMEI, unlock your phone, reset and finished.

Regards Mali