STK service

[nothin]

i need some info about that service, what exactly it is, and is it crucial one?
i can imagine, it is sim tool kit service, but... what it does exactly?

[engfantom]

i need some info about that service, what exactly it is, and is it crucial one?
i can imagine, it is sim tool kit service, but... what it does exactly?

??????? me to want to know ???

[Hakim Rahman]

??????? me to want to know ???

to know clearly about STK service, look at http://en.wikipedia.org/wiki/SIM_Tool_Kit