Moving abroad to study comes with a long checklist: the offer letter, the visa, flights, accommodation, bank account, insurance and a suitcase that somehow has to hold your whole life. By the time you zip that bag, it feels like everything is under control.
Then you land. You are tired after a long journey, it may be late at night, and your phone has no signal. You can't open Google Maps to find your accommodation, message your family to say you have arrived, or log in to the banking app you need for your first payment. Airport WiFi is patchy and the local SIM shop is a long queue away.
Mobile data is the one thing almost every international student forgets to plan for, and an eSIM closes that gap before you even leave home. You install it on your phone in minutes, and it connects the moment you touch down.
In this guide you will learn:
- What an eSIM is and how it works
- Why connectivity matters so much in your first weeks abroad
- How an eSIM compares with roaming, local SIMs and airport WiFi
- How to set up a Holafly eSIM with an exclusive Inforens discount
- A pre-travel checklist, practical tips and common mistakes to avoid
What is an eSIM?
An eSIM (embedded SIM) is a digital SIM built into your phone. Instead of buying a plastic card and swapping it into a tray, you download a mobile plan by scanning a QR code or tapping through an app. Your phone then connects to a local network like any normal SIM would.
The key advantages:
- No physical card. Nothing to lose, bend or fumble with a SIM-ejector pin.
- Buy and install from anywhere. You can set it up from your bedroom before you fly.
- Keep your home number. Most phones can hold your regular SIM and an eSIM at the same time.
- Switch plans easily. Heading home for the holidays or travelling to another country? Add another eSIM instead of hunting for a shop.
Why international students need to plan their connectivity
Student life abroad is more phone-dependent than most people expect. In your first week, you will probably need your phone to:
- Navigate from the airport to your accommodation
- Contact your landlord, host family or university pickup service
- Book transport (trains, buses, ride-hailing apps)
- Message and call family back home
- Verify your bank account and set up local payments
- Access your university portal, email and enrolment tasks
- Download maps and transport apps for offline use
If you have no data when you land, every one of these becomes harder. Roaming from your home provider can be eye-wateringly expensive, and surprise bills are the last thing a student budget needs.
The options: how students usually get connected
1. Home-network roaming. Convenient, but often the most expensive route, with daily fees or tight data caps. Check your provider's rates before relying on it.
2. Local physical SIM. Good value long term, but you usually need to find a shop after landing, sometimes show ID or proof of address, and you may be stuck without data for your first hours or days.
3. Airport WiFi. Free, but unreliable, slow and not secure enough for banking.
4. A travel eSIM. Bought and installed before departure, so you are online the moment you land. No queues, no paperwork, no hunting for a shop.
Many students use an eSIM for the arrival period and the first few weeks, then move to a local contract once they have an address, bank account and a settled routine.
Meet Holafly: an eSIM built for travellers and students
If you want a simple way to arrive connected, Holafly is one solution worth looking at. Here is what it offers:
- Unlimited data plans. Land, connect and message home before you have even reached baggage claim, with no need to chase airport WiFi.
- Activate before you fly. Install your eSIM from the Holafly app in a few minutes, so it is ready when your plane touches down. Average activation time is around 5 minutes.
- 160+ destinations. The same habit works whether you are studying in Manchester, interning in London or travelling around Europe on a break.
- No contracts, no surprise bills. Plans are prepaid with transparent pricing. You pick a plan for your trip length and nothing renews behind your back.
- 24/7 human support. Live chat support is available before, during and after you land, which is handy if something goes wrong at 2am before a flight.
Exclusive Inforens student discount
Inforens readers can get 20% off Holafly's Unlimited and Light 25GB plans, on top of the existing prices, using the code INFORENSER.
👉 Get your Holafly eSIM with the Inforens discount
How to set up your eSIM in three steps
Step 1: Click the Inforens link. Use the exclusive link above with the code INFORENSER to unlock your 20% discount on the Unlimited and Light 25GB plans.
Step 2: Pick your plan. Choose your destination country and the data plan that matches your travel dates. If you are staying for a few weeks while you settle in, pick a plan that covers that period. If you are unsure how much data you will use, the unlimited option removes the guesswork.
Step 3: Install and activate. Install the eSIM before you fly while you are on reliable WiFi. Then switch on mobile data when you land, and you are connected.
Before you buy: a quick checklist
Is your phone eSIM-compatible? Most recent iPhones and many recent Android phones support eSIM, but older models do not. Check your device settings or the manufacturer's compatibility list.
Is your phone unlocked? If your phone is locked to your home carrier, it may refuse to install an eSIM from another provider. Contact your carrier to ask about unlocking before you travel.
Do you need a phone number? Travel eSIMs like this are generally built around data. You can still use WhatsApp, FaceTime, Zoom, Teams and other internet-based calling apps. If you need a local number for things like bank verification, check the plan details first.
Keep your home SIM active. Many banks send one-time passcodes by SMS to your home number. Keep your regular SIM in your phone as a second line so those verification texts still reach you, and use your eSIM for data.
Check the plan terms. Read the plan details for your destination, including validity period and any fair-use policy, so there are no surprises.
Tips for getting the most from your eSIM
- Install it at home, not at the airport. Do the setup on stable WiFi a day or two before you fly.
- Switch on data roaming for the eSIM line only. In your phone settings, set the eSIM as your mobile data line and leave roaming off on your home SIM to avoid accidental charges.
- Download offline maps anyway. Even with good data, offline maps are a great backup for your first journey.
- Screenshot your accommodation address and contact details. Useful if your battery dies or signal drops.
- Message home as soon as you land. Your family will be relieved, and you will have confirmed your connection works.
- Set a reminder for your plan end date. When your eSIM expires, you will want your local SIM or contract ready.
Common mistakes to avoid
- Waiting until you land to sort data. The whole point of an eSIM is that it is ready before you are.
- Forgetting to turn off roaming on your home SIM. This is the classic way to rack up an unexpected bill.
- Not checking phone compatibility. Find out before you buy, not at the departure gate.
- Removing your home SIM entirely. You may lose access to bank SMS codes and important accounts.
- Relying on airport WiFi for banking. Public networks are not the place to log in to financial apps.
Final thoughts
Moving abroad to study is exciting, and also stressful. You can remove one big source of stress with five minutes of preparation: install an eSIM before you fly, and you will arrive with data, maps, messaging and banking access from the moment you land.
Ready to get connected? Grab your Holafly eSIM through Inforens and claim 20% off the Unlimited and Light 25GB plans with the code INFORENSER.