Are you wondering what Iphone Unlock means? If you are, then you better read on. Simply put, iPhone unlock is the process of modifying the firmware so that it can be used to other cellular network. Meaning, you are not tied to only using it with the original carrier where you bought the iPhone from. For example, if you bought your iPhone from AT&T, you can only use the services of that carrier. You can’t change the SIM card because it will not still work. The only time you can use another carrier’s SIM card is when you unlock the iPhone. So what is exactly the benefit to unlocking your iPhone? For one, you can select the cellular network that you like. You have the option of switching to another carrier that offers more affordable call rates and texts. As a result, you can save money. Lastly, unlocking your iPhone is safe and easy.