Everything you need to know about eSIM
Carefully written guides for the questions that come up before departure, during installation and after you arrive.
What is an eSIM and how does it work?
What an eSIM is, what a travel data plan includes, when validity actually starts, and what to check on your phone before buying. No plastic SIM needed.
Read the guide → 02Does my phone support eSIM?
Check safely whether your phone supports eSIM: regional device variants, carrier lock and the models that have it. Verify before you buy, not afterwards.
Read the guide → 03How to install an eSIM on iPhone
Install an eSIM on iPhone step by step: by QR code or manual details, choose the correct data line, and keep your primary number active for calls and SMS.
Read the guide → 04How to install an eSIM on Samsung
Set up an eSIM on Samsung Galaxy step by step in the SIM manager, see which models from the Galaxy S20 onwards have eSIM, and keep your primary number active.
Read the guide → 05How to install an eSIM on Google Pixel
Add an eSIM on Google Pixel step by step: select it for mobile data, check the roaming switch, and keep your primary number active for calls and texts.
Read the guide → 06When should I install and activate my eSIM?
The difference between installing and activating an eSIM, and when validity actually starts — so you do not burn travel days before you leave home.
Read the guide → 07Can I keep my number and WhatsApp with an eSIM?
Use a travel eSIM for data only while keeping your primary number, WhatsApp and SMS working — and which switches to turn off so roaming never starts.
Read the guide → 08How much data do I need for travel?
How much mobile data a trip really needs: maps, messaging, social media, video and hotspot, with rough figures per day so you can pick the right plan.
Read the guide → 09eSIM or roaming: which should I choose?
Travel eSIM or carrier roaming? Which one costs less, when roaming still wins, and how to compare price, data, validity and coverage before you decide.
Read the guide → 10Why is my eSIM not connecting?
eSIM not connecting? Check the line, mobile data, Data Roaming, APN and network selection in order — without deleting the profile, which is often final.
Read the guide → 11eSIM for the Albanian diaspora: data for trips back home
Living in Germany, Switzerland or Sweden and travelling to Kosovo or Albania? Keep your own number, get local data with a travel eSIM, and skip roaming bills.
Read the guide → 12eSIM for Austria: set it up before you fly
Travel eSIM guide for Austria: install before departure, activate on arrival in Vienna, keep your main number, and what happens when the plan runs out.
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