iPhone Unlock US GSM COUNTRY DEFAULT POLICY and iPhone IMEI Network Unlock written by Zisis US GSM Service, US GSM / VZW N61 / N56 & US GSM COUNTRY DEFAULT POLICY means that your iPhone is regionally locked on all USA Networks. Learn why this is happening and how to unlock it with success. Read more Continue Reading January 7, 2015 7 comments 0 Facebook Twitter Google + Pinterest