Verizon communication provides wireless network in USA and it has a largest number of subscribers in America. Verizon got a tie-up with Apple's iPhone in the first month of 2011 to provide network services to iPhone 4s and upcoming editions of iPhone. All good things are attached with this carrier like 3G data services, fast broadband, text and multimedia massages, application downloads form media center, GPS services, etc. it makes a contract with subscribers that if they demand a factory IMEI unlock then after unlocking iPhone will work only outside of USA. The matter of thinking is, how to perform IMEI unlock iPhone 4s Verizon carrier supported, in such a way that iPhone can be used in USA with no any restriction.
