Make sure the leads line up with the ones below them! This is easy if you have a micro SIM to follow as a guide, but if you don’t and you’re just winging it the Solutios walkthrough found here is about as good as you’ll find online, but remember to emphasize the golden contacts. You probably won’t have that, so look carefully at the picture (below right), and make sure you use the SIM tray as a guide the whole way through. The standard size is sometimes referred to as a Mini SIM, which seems odd given it is the largest of its type. Get everything you’ll need: XACTO Knife and a good cutting surface, such as a self healing mat.