Have you got an iPhone 4/4S? How about a phone that operates on 2 Sim cards? Now you can have both. This Dual Sim case for iPhone 4/4S will allow you to use 2 Sim cards in the one iPhone. And all you do is toggle between the two. It simply takes just one click to switch between the cards! This ingenious case is an ideal tool for travelling or business, particularly if you want to keep business contacts separate from personal numbers.
The case requires NO software installation, no tool for switching between the two SIM cards and there is no need to jailbreak your phone! It accepts both standard SIM and Micro SIM cards. Simply activate the switch on the outer case to change the SIM in use. *It is recommended that you power off your phone before switching to the other SIM.