sprint invalid sim. help
I have a s4 from sprint. I calld sprint and they gave me an unlock code but when i put in another sim from a different carrier it says invalid sim. I want to use it with any gsm carrier. How do i unlock it?
I have a s4 from sprint. I calld sprint and they gave me an unlock code but when i put in another sim from a different carrier it says invalid sim. I want to use it with any gsm carrier. How do i unlock it?
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