Account ExplSim field notes
Travel connected,
without guessing.
Clear, practical answers about eSIMs, roaming, installation and mobile data abroad.
What is an eSIM and how does it work while travelling?
A plain-English guide to travel eSIMs, compatible phones, activation, data plans and what happens to your normal SIM.
Read the guide →How to install a travel eSIM on iPhone and Android
Step-by-step eSIM installation instructions for iPhone, Samsung Galaxy and Google Pixel, plus the settings to use after landing.
PlanningHow much mobile data do you need for a trip?
Estimate whether you need 1 GB, 5 GB, 10 GB or more for maps, messaging, social media, video and remote work abroad.
PlanningTravel eSIM vs roaming vs a local SIM card
Compare travel eSIMs, operator roaming and local prepaid SIM cards by setup, coverage, phone number, cost clarity and convenience.
TroubleshootingTravel eSIM has no signal? Check these settings first
A practical no-signal checklist covering the data line, roaming, APN, network selection and the mistakes that can invalidate an eSIM.
InstallationWhen should you install and activate a travel eSIM?
Understand installation, activation and validity so a travel eSIM does not start too early or leave you configuring it without Wi-Fi.
DestinationsEurope eSIM coverage: why every country list must be checked
Regional Europe eSIM plans do not all cover the same places. Learn how to compare exact country lists, networks and border-crossing behaviour.
PlanningHow much data do Maps, WhatsApp and Instagram use abroad?
Plan travel data for navigation, messaging, social feeds, video calls and automatic backups without relying on one misleading average.
Ready to choose?