Dual simcard activatio

[beckspuppy]

how would I activate the dual simcard fuction on my iphone? I tried to activate it but it results to disabling one of the simcards? Actually it doesnot show me the primary and secondary line.

 

[Warbrain]

It doesn't exist.

 

[benflick]

I think this is what you have, and if you do, you got hosed