eSIM basics
Start here — how eSIMs work, the terms you'll meet, and whether your phone is ready.
A travel eSIM only installs on a carrier-unlocked phone. How to check your iPhone or Android in a minute, spot a lock, and get unlocked before you travel.
eSIM, profile, APN, EID, KYC, fair-use, tethering, the jargon decoded in plain English so you know exactly what you’re buying.
Every common question about travel eSIMs, compatibility, setup, data, your number, billing and refunds, answered clearly in one place.
No tiny card, no pin tool, no kiosk. Here’s what an eSIM really is, what happens when you scan that QR code, and why going digital is more secure.
Two things decide it: an eSIM-capable phone and an unlocked one. Here’s how to check both in under a minute, plus the traps that catch people out.