The Field Guide
eSIM Guide
Everything you need to go from confused traveler to connected traveler. Most people only need the first three.
What is eSIM?
A digital SIM that lives inside your phone. No card, no swap — activate by scanning a QR.
Read →How it Works
Behind the QR: profiles, carriers, and why eSIM is faster than a SIM card.
Read →Compatible Devices
Which iPhone, Galaxy, and Pixel models support eSIM. Also: how to check if your phone is unlocked.
Read →Installation
Step-by-step setup on iOS and Android. Most travelers are online in under 5 minutes.
Read →Data Calculator
How much data do you actually need? A simple guide based on how you travel.
Read →