If you want to wipe your iPhone’s sim card, there are a few different ways to go about it. The first way is to use the Settings app on your iPhone. From here, you can select General, and then tap on Reset. From here, you’ll be able to select Erase All Content and Settings. This will erase everything on your iPhone, including your sim card. If you don’t want to erase everything on your phone, you can also use a third-party app like Card Eraser. This app will allow you to wipe just the sim card without erasing anything else on your phone. whichever method you choose, be sure to back up your data before proceeding - just in case something goes wrong! ..