5 Things to Know About eSIM Before Your Next Flight

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Short answer: an eSIM is a digital SIM you download with a QR code. Install it at home before you fly, switch it on when you land, and make sure your phone supports eSIM before you buy. Most travel eSIMs are data-only, so they don't come with a local phone number.

How many times have you landed, tired and stressed, and gone hunting for a SIM kiosk in a foreign airport, only to find a queue longer than the flight? eSIM technology was designed to solve exactly that. Here are five things worth knowing before you go.

1. An eSIM is a digital SIM, not a physical card

There's no card to swap, no paper clip, and no risk of losing your original SIM halfway through the trip. The plan is installed directly on your phone by scanning a QR code, in just a few minutes.

2. You can install it in advance and activate it only when you land

This is the biggest advantage: you don't have to wait until you reach your destination. Install the plan comfortably at home and turn it on only when the plane touches down. You're connected from the first minute, and you can keep your home SIM active at the same time.

3. Not every phone supports eSIM, so check first

Most newer models support it, but it's worth confirming before you buy to avoid a last-minute disappointment. The quickest way is to check your phone model.

4. Data plans, not calls

In most cases a travel eSIM is for data only. If you also need a local phone number for calls, check that with the provider in advance. With data you can still call and message over apps like WhatsApp.

5. Planning ahead saves money, not just hassle

A surprise international roaming bill is one of the most annoying things that can follow a great trip. A data plan chosen in advance, based on the number of days and how you expect to use your phone, simply saves you from that. Not sure how much you need? See how much data to buy for a trip.

Frequently asked questions

Can I install an eSIM before my flight?

Yes, and it's actually recommended: install it at home on stable Wi-Fi, then turn the line on when you land. See when to install and activate a travel eSIM.

Does a travel eSIM give me a phone number?

Usually not. Most travel eSIMs are data-only. You can keep your home SIM active for calls and texts alongside the eSIM.

How do I know if my phone supports eSIM?

Enter your model in our compatibility checker for an instant answer.

Looking for a plan for your next destination? Browse our destinations and find the right eSIM for your trip.

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