by Cate Fennell

Forget hunting for SIM cards at airports. Modern travellers are ditching plastic for eSIM – and once you know why, you’ll never go back.

You’ve just landed at Charles de Gaulle after a brutal 24-hour journey from Sydney. You’re knackered, your phone’s showing ‘No Service,’ and there’s a queue fifty deep at the SIM card kiosk. Or… you could’ve sorted your mobile data before you left home.

That’s the beauty of eSIM. Just tap, activate, connect. Services like Yesim have made international travel dead simple. And if you’re still mucking about with physical SIM cards in 2026, you’re doing it wrong.

What is an eSIM and how does it actually work?

Right, so an eSIM (embedded SIM) is basically a digital SIM card that’s already built into your phone. Instead of faffing around with that tiny plastic chip and a paperclip, you scan a QR code, and boom – you’re connected. It does exactly what a regular SIM does, just without the physical faff.

You can have multiple eSIM profiles on one device. Keep your Aussie number active for calls from home while using a European eSIM for data. No SIM swapping, no losing that microscopic piece of plastic in your hotel room, no dramas.

Why are eSIM cards better for international travel?

International roaming will absolutely rinse your wallet. Your Aussie carrier might charge you $10-15 a day just to use your phone overseas. That’s nearly $150 for a two-week holiday.

eSIM data plans are way cheaper. You’re looking at something like $15-30 for the entire trip, depending on how much data you need. For the price of one day’s roaming, you could get coverage for a fortnight. It’s a no-brainer.

Can I use one eSIM across multiple countries in Europe?

Absolutely. This is where eSIM properly shines. If you’re doing the classic Europe run: Paris, Barcelona, Rome, Berlin, you don’t need a new SIM in each country. One eSIM covers the lot.

Yesim’s global plans work in 200+ countries. Top up once, use it everywhere. You’re not stuffing around at borders trying to find another SIM card. Just cross into Italy and your phone connects automatically.

What happens if I lose my phone with an eSIM?

Unlike a physical SIM that can be nicked and chucked into another phone, your eSIM is locked to your device. Plus, you’ve got your activation details saved (QR code, account info), so you can reinstall it on a replacement phone. Try doing that with a lost plastic SIM somewhere between Bondi and Barcelona.

Which phones support eSIM in Australia?

Most newer phones have eSIM capability, but not all of them. Here’s the rundown for popular models:

  • iPhones: XS, XR and everything after (iPhone 14 and newer in the US are eSIM-only)
  • Samsung: Galaxy S20 onwards, Z Flip/Fold series, A54 and up
  • Google: Pixel 3 and newer
  • Others: Oppo Find X3+, OnePlus 11+, Motorola Razr

To check if your phone’s got eSIM: Settings → Mobile/Cellular → Add eSIM or Add Mobile Plan. If that option’s there, you’re good to go.

How do I set up an eSIM before travelling?

Setting up an eSIM is genuinely easier than ordering a Bunnings snag. Here’s the step-by-step:

Step 1: Choose provider and buy data

Download Yesim, pick a plan for your destination, pay with your card. Use code YESFLMINK10 for 10% off if you’re new.

Step 2: Scan the QR code

Settings → Add eSIM/Mobile Plan → scan the QR code from the app. It takes two minutes. Do this at home before you leave – airport wifi is dodgy as.

Step 3: Set it as your data source

Once you land, turn on your eSIM for mobile data. Keep your Aussie SIM active for calls, but switch data to the eSIM. Turn off data roaming on your primary SIM unless you fancy a shock when the bill arrives.

What are the best mobile data options for travellers?

Different trips need different setups. Here’s what works:

  • Weekend city break: 3-5GB eSIM for one country. Cheap, simple, sorted.
  • Two-week Euro trip: Regional eSIM covering Europe. 10-20GB should do you unless you’re a Netflix addict.
  • Round-the-world adventure: Global eSIM like Yesim’s Pay As You Go. Works in 200+ countries. Top up as needed.
  • Business travel: Unlimited eSIM if you’re constantly on Zoom calls and downloading presentations. Worth the extra coin for peace of mind.

Real talk: Common eSIM mistakes to avoid

eSIMs are meant to make travel easier, but a couple of rookie mistakes can turn “smooth landing” into “why is my phone bill screaming at me?”. Before you jump on the plane or hit “activate,” run your eye over these common slip-ups so your data works when and where you actually need it.

Mistake Why it’s a problem Do this instead
Activating at the airport Airport Wi-Fi is slower than a wet week, and a failed install is the last thing you want after a long flight. Activate at home on a stable Wi-Fi connection before you leave.
Forgetting to turn off roaming on your main SIM Your phone may still use your main SIM for data, hello surprise roaming charges. Switch off data roaming on your primary SIM before you travel.
Buying too little data Google Maps, Instagram, video calls, and the odd Netflix episode chew through data fast. Get more data than you think you’ll need, topping up abroad is annoying.
Not saving your activation details If your eSIM drops or you reset your phone, reinstalling can be a nightmare without the QR code. Screenshot and save your QR code and activation info somewhere safe.

The bottom line: Is eSIM worth it?

Look, if you travel even semi-regularly, eSIM is your go-to option. You set it up once, and you’re sorted. eSIM makes life easier. Download Yesim before your next trip, chuck in that YESFLMINK10 code for your discount, and see for yourself. Once you go eSIM, you won’t go back.

Image Source: Depositphotos

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