How do I unlock my sim?

[AC Question]

who do unlock my sim

i have a metro pcs phone with service.i also have a srint s4 i want to unlock the s4 to use my lg metro sim in it hoe do i unlock it because in service mode no menu section pops up so i cant put in the umts

 

[Almeuit]

Re: who do unlock my sim

You would have to contact Sprint for the unlock code.