All About Smartphones

One of the things about purchasing an iPhone from another person and not directly from vendor is that sometimes they may be locked to a network and so other network SIM card won't work on it.  Factory unlocked iPhone is more pricey than one that is locked to a network. Well, there is a easy way to check if the iPhone you want to buy is factory unlocked or not. METHOD 1 One method is to remove the current SIM in the device and out in another SIM from another network and see if it displays network bars. For example, put in a SIM from say AT&T and One from Verizon and see if network bars are displayed. METHOD 2 Another method is to use an application called iTools. On installing iTunes and iTools to your computer and connecting the iPhone to your computer, you can tell if the device is factory unlocked or not.  Launch iTools and the first page you would see will tell you that your device is activated. By click on view details, another window will come up ...