Smartphones are expensive! Most people do not have the money to continually purchase a new phone as soon as the newest version comes out. Maybe you want to keep this wonderful device, but are not satisfied with your cellular carrier, or you are simply moving to another country. Whatever the case may be, we all want the ability to take with us, the phone we spent all our hard earned money on, and use it with a different carrier. It’s not like an internet provider will make you buy a brand new computer, simply because you switched providers. So why do most phone companies lock their SIM to only be able to use their cellular service?