So you've chosen Ultra Mobile as your carrier. Before you start enjoying your plan, you need to install your SIM card – here's a step-by-step guide.

General instructions for installing your SIM card Insert the card, ensuring the gold contact touches the contacts on the SIM slot of your device. You can use the angled notch to help figure this out.

Is your iPhone is telling you it doesn't have a SIM card available? Here are some fast and easy things to try before calling your carrier or the Apple Store.

You can remove the SIM card from your Samsung Galaxy S10 using the SIM removal tool that came with your phone, or a very thin paperclip.

If you have a iPhone 13 or older, your device still has a physical SIM card. Here's a guide on how to remove it.