These two ways of connecting your phone to a cellular network are very different. We tell you about each and how you can switch from one to another.

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead.

Physical SIM cards are on their way out, but I'm worried that switching to eSIM isn't nearly as easy as it should be just yet.

Low awareness is stalling adoption of eSim technology. Here's how travel brands, retailers and mobile operators can close the gap and unlock new revenue through smarter, more connected experiences.