Iphone 6 is 4g or 3g July 8, 2019 16 32 64 128 Iphone 6 plus 4g or 3g Is iphone 6 3g 4g or 5g Is my iphone 6 3g or 4g 4g iphone 6 Iphone 6 vs iphone 4 Iphone 6s 4g only mode