1. R-SIM 14 X combines the tail-type of FPC dual SIM card reverse slot with iPhone traditional single SIM card slot
2. Through dotted line connect point change X Max dual SIM card into traditional and universal X single SIM card which makes the repair person and sales do not worry about the inventory caused by the non-universality of the traditional card slot
3. R-SIM 14 X to unlock and compatible those ICCID unlock cards, such as iPhone XS Max, XR, XS, X, 7, 8, 7 Plus, 8 Plus, 6
