SIM cards are so thoroughly integrated into our everyday lives that we don't pay attention to them anymore and do not understand what they are used for. In this article, we dig into the concept of SIM ...

Installing an iPhone SIM card To install a SIM card in your iPhone look for the notch in one corner of the plastic SIM card and align it with the angled corner on metal and tray. 1. Look for a ...

You can find the model by going into your iPhone's settings, selecting "General" and then opening "About." Once you have found the tray, insert a paper clip or SIM removal tool into the small hole.