

Modern devices typically don’t have this roadblock. In some cases, a device that was originally on a CDMA network may not be compatible with a GSM network even after unlocking. Verizon falls into the group of CDMA carriers whereas other carriers like AT&T is a GSM carrier. To briefly touch on a carrier concept, there are two types of technology that carriers use for their network’s infrastructure. 1.1 Check with the New Carrier for iPhone Compatibility There is an important thing you must do before getting on with the rest of the process. Now, we can move onto preparing you to unlock Verizon iPhone. Before Unlocking a Verizon iPhone – You Should Never Miss! 4.7 How to unlock a blacklist Verizon iPhone?.


1.2 Available Carriers for iPhone Models.
