Travel eSIM Guide
Practical answers for using an eSIM abroad: which networks you will actually connect to, how much data a trip really needs, how to keep your home number for bank codes, and what to do when the phone says "No Service" at the arrivals hall.
We don't sell eSIMs. These guides explain how things work so you can compare any provider with confidence.
Destination guides
eSIM basics
- What Is a Travel eSIM and How Does It Work Abroad?A plain-English guide to travel eSIMs: what installing one does, why most are data-only, how routing affects speed and apps, and phone support.
Setup
- How to Set Up a Travel eSIM on iPhone, Step by StepInstall a travel eSIM on iPhone at home and switch it on when you land: QR or manual install, line labels, data line, data roaming, no surprise bills.
- Keep Your Home Number Abroad While Using a Travel eSIMKeep getting bank codes on your home number while a travel eSIM handles data: which line does what, avoiding roaming charges, and prep before you fly.
Troubleshooting
- eSIM Says No Service Abroad? Fix It in This OrderTravel eSIM shows No Service, Searching, or bars but no internet? Fix it in order: line on, data roaming, data line, airplane mode, manual network, APN.
Choosing a plan
- Travel eSIM vs Roaming vs Local SIM vs Pocket Wi-FiRoaming, travel eSIM, local SIM or pocket Wi-Fi? Compared on setup, phone number, group use and hassle, with picks for common trip types.
- How Much Data Do You Need for a Trip? Estimate by ActivityEstimate travel data by activity: maps, messaging, photos, social video, video calls and streaming. Worked 5, 10 and 14 day examples.