September 24, 2022
Panuwatccn / Shutterstock.com We’re finally witnessing the death of physical SIM cards. The new iPhone 14 requires eSIM for mobile networking, and it’s only a matter of time before other smartphones follow suit. Unfortunately, your carrier may not support eSIM yet. What Is eSIM? Almost every mobile phone made in the last 25 years relies…

Panuwatccn / Shutterstock.com

We’re finally witnessing the death of physical SIM cards. The new iPhone 14 requires eSIM for mobile networking, and it’s only a matter of time before other smartphones follow suit. Unfortunately, your carrier may not support eSIM yet.

What Is eSIM?

Almost every mobile phone made in the last 25 years relies on a SIM card for cellular service. This tiny piece of plastic is a “subscriber identity module.” It contains your phone number, but more importantly, it verifies that you are a carrier’s paying customer. Without a SIM card, you can’t make calls or connect to mobile networks.

The SIM standard has managed to survive over two decades, and for good reason—it’s dead simple. Anyone can take the SIM card out of their phone, stick it in a new device, and immediately transfer their cellular service. (Of course, many people never touch their SIM card and simply let their carrier’s salespeople do the work.)

But physical SIM cards are technically outdated. We don’t need to stick pieces of plastic into our phones anymore, and for better or worse, we’ve reached a point…

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