Travel eSIM guides.
Everything you need to know before you fly — written to be read once and actually understood.
BasicsWhat is an eSIM and how does it work?
The plain-English explainer: what an eSIM is, how it replaces the plastic SIM, and why it's built for travel.Read the guide →
SetupHow to install your eSIM
Step-by-step installation for iPhone and Android — scan the QR code, activate, and land already connected.Read the guide →
Save moneyHow to avoid roaming charges
What roaming really costs, the settings that quietly burn money abroad, and how a travel eSIM sidesteps all of it.Read the guide →
CalculatorHow much data do I need?
Three questions, one straight answer — sized to your trip with real per-hour figures for maps, WhatsApp and streaming.Read the guide →
CompatibilityWill my phone work in Europe?
Bands are fine on any modern phone — the real checks are carrier lock and eSIM support. Verify both in two minutes.Read the guide →
TroubleshootingeSIM not working? The fix
Five steps in order — the roaming toggle everyone misses, manual network selection, and device-specific settings.Read the guide →Ready to pick a destination?