2 Pack Micro SIM Card Adapter for Apple iPad and iPhone 4 Converts your Micro SIM to a full sized SIM that can work in any phone, laptop or device that has a SIM card slot This adapter can be used in any device which accepts 3G SIM card, not just the iPhone, such as: wireless router,3G USB modem, any 3G cell phone, laptop with SIM card slot This adaptter basically converts the Micro Sim into regular Sim so that can use it on all moblile phones including Samsung... Buyer can used their iPhone 4G Data plan on any mobile Phone Compatible with: iPad Micro Sim, iPhone 4G Micro Sim