Note the notch that matches the SIM card in the lower corner of this particular phone. Drop the SIM card in place and then close the door. If it does, slide that door towards the hinge, then lift it open. Other times, the SIM tray might have a little “door” on it. But there are also adapters available, though they only work one way (converting smaller cards to fit larger trays). Like we mentioned earlier, there are three sizes. Image Credit: justyle/ A Word on SIM Card Sizesīefore we get into how to change your SIM Card, we want to touch on SIM card sizes and phone compatibility. While all three are still used in a variety of phones, Nano SIM has been the most popular choice over the last few years. There are a few different sizes of SIM Cards available: Standard SIM, Micro SIM, and Nano SIM, each of those progressively smaller than the previous one. In simpler terms, it’s a small card that allows your phone to get service from a carrier. It’s what connects a phone to a specific carrier and gives it unique identifiers like a phone number. In short, SIM stands for Subscriber Identification Module.
While it sounds slightly daunting if you’ve never done it before, it’s quite easy. So you got a new phone, which means swapping your SIM card from the old to the new.