What is eSIM?

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So, imagine a SIM card, but it’s embedded right into your phone, tablet, or smartwatch. No more popping open a tiny tray and praying you don’t drop the microscopic SIM on the floor (and let’s be real, you probably will). An eSIM, or embedded SIM, does the same job but without the need for any physical swapping. It’s software-based, programmable, and it can work with any carrier meaning you’re not tied down to one network. Switching carriers? You can do it in the time it takes to download an app. Easy peasy.

When Apple launched the iPhone 14 series, they waved goodbye to physical SIM slots for US models. Yep, no slot at all. And guess what? This trend is going to snowball, so expect your next shiny new Android to follow suit. Instead of slotting in a SIM card, you just download an eSIM profile and, boom, you’re connected.

 

How Does eSIM Work?

You know the routine with a physical SIM card, right? You open a tiny tray, insert the card, and you’re good to go. Well, with an eSIM, it’s even simpler — and much less annoying. Once you get an eSIM-compatible device, switching to a new carrier is as easy as downloading a configuration file, also known as an **eSIM profile**. The carrier usually gives you a QR code to scan, and your phone does the rest.

That little chip is already built into your device’s motherboard, so the days of digging around for a SIM ejector tool are long gone (or trying to use an earring if you’re desperate). Plus, no SIM tray means more room inside for other fun techy stuff and fewer places for water to sneak in. It’s like when they killed off the headphone jack, except this time it might actually be worth it.

 

Why Should You Care?

Ah, the perks! With eSIM, you can store multiple carrier profiles on your phone. Want to hop onto a different network? Need a local SIM for that trip to Europe? 

Just download another eSIM profile, switch in seconds, and you’re sorted. No more scrambling to find a SIM vendor at the airport while you wait for your bags to show up. Plus, some networks now offer free eSIM trials, so you can take their service for a spin before you commit. Try doing that with a physical SIM!

And for all you tech minimalists out there, here’s a big win: No physical SIM slot means more space for other components and better waterproofing. It’s why your smartwatch and those sleek foldables are thriving with eSIM. Fewer holes = fewer problems.

Of course, there are still a few catches (because what new tech doesn’t come with fine print?). Not all carriers are on the eSIM train yet, but most of the big names have jumped aboard. If you’re rocking a device that supports both eSIM and a physical SIM, congrats — you get the best of both worlds. Just bear in mind, eSIMs can still get locked to certain networks, just like the old-school ones.

 

Which Devices Support eSIM?

Which Devices Support eSIM by IT insights
Which Devices Support eSIM by IT insights

Alright, let’s get to the juicy part. eSIM isn’t exactly fresh out of the oven, but adoption has been… well, slow. Shocking, right? Still, it’s picking up steam, especially on high-end devices in the US and Europe. Apple and Google have been on it for a while now. Google kicked things off with the Pixel 2 in 2017, and Apple followed with the iPhone XS in 2018. Samsung joined the party with their Galaxy S series and foldables, but mostly stuck to their top-tier devices.

 

Here’s a shortlist of devices now coming with eSIM:

  • Google Pixel 2 and newer (including that cute mid-ranger Pixel 6a)
  • iPhone XS and newer (if you’re in the US, say goodbye to SIM slots on the iPhone 14)
  • Samsung Galaxy S20 and newer
  • All Galaxy Z Fold and Flip models (because apparently foldable phones are cool now)
  • OnePlus 11
  • Motorola Razr Plus (remember when the Razr was the phone to have?)

Smartwatches are a different story — they were ahead of the game. Samsung started the trend even before Apple jumped on board with their LTE-capable Apple Watch. Now, pretty much any smartwatch that connects to cellular networks does so using eSIM.

 

Laptops and tablets?

Yep, they’re in on the eSIM action too. Devices like Surface Pro X and Galaxy Book Go are leading the charge.

 

How to Activate an eSIM (Without Screaming)

No need for a manual here. Activating an eSIM is child’s play. Most carriers send you a QR code, and all you have to do is scan it. 

On Android, 

head to Settings > Mobile Network > Add Mobile Plan and follow the steps. 

iPhone users, just point your camera at the QR code and follow the prompts. It’s that easy.

If you’ve got a smartwatch, just use the manufacturer’s app (like Samsung Galaxy Wearable) to hook things up. It’s all fairly intuitive — as long as you can point and scan, you’re golden.

 

Is eSIM More Expensive?

Nope! Well, not really. For the most part, carriers aren’t charging extra for eSIMs. They might even save money by not having to print and ship physical SIMs anymore. And bonus: It’s better for the environment (if you care about that sort of thing).

That said, some carriers can be sneaky with fees depending on your plan. Prepaid customers, especially in the US, might run into a few restrictions. And if you’re connecting an eSIM on a non-smartphone device like a tablet or smartwatch, expect to cough up around $10 extra per month (depending on where you are).

 

eSIM vs iSIM: Wait, There’s More?

Just when you thought eSIM was the future, here comes iSIM to push things even further. It’s like eSIM, but more… integrated. Literally. iSIM tech shoves the SIM directly into the phone’s chipset, meaning even less space needed inside your device. We’re not quite there yet, though. It’s still in the proof-of-concept phase, but companies like Qualcomm and Vodafone are working on it.

Don’t expect iSIM to be mainstream anytime soon, but keep an eye on it — it’s coming eventually.

 

To Sum up…

SIM cards are on their way out, and eSIM is the shiny new replacement. It’s more convenient, less hassle, and fits into the trend of making gadgets sleeker and more watertight. But if you’re not ready to part ways with your little plastic SIM card just yet, don’t worry — the transition is gradual. Just be prepared, because your next phone might leave you saying goodbye to the SIM tray forever. And let’s be honest, it’s probably about time.

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