Verizon is one of the leading cellular phone retailers in the US, with millions of customers ... The first is a physical SIM ...

Most mobile phones rely on a small card called a SIM (subscriber identity module) to make phone calls and send text messages. Without it, your phone isn't able to connect with the cellular network ...

You may find that you need to check the cellular service carrier of your ... or if your iPhone doesn't have a SIM card, you won't be able to see this detail. However, even without a SIM card ...