New to eSIM? Start here
An eSIM is a digital SIM built into your phone — no physical card, no airport kiosk. Buy a data plan online before you fly, install it in minutes on Wi-Fi, and you’re connected when you land.
Available guides
| Guide | What you’ll learn |
|---|---|
| How to install an eSIM | Step-by-step installation for iPhone, Samsung, and Google Pixel — including QR code and app-based activation. Covers common errors and how to fix them. |
| What is an eSIM? (coming soon) | How eSIM technology works, why travelers use it instead of physical SIMs, and which phones support it. |
| How much data do you need? (coming soon) | Realistic data estimates for maps, social media, video calls, and streaming — with a data-per-day calculator. |
| Is my phone eSIM compatible? (coming soon) | Check if your iPhone, Samsung, Pixel, or other Android phone supports eSIM — with model-by-model guidance. |
How to choose an eSIM plan in 3 steps
- Pick your destination — browse our country guides or use the Find My eSIM quiz for a personalized match
- Estimate your data — a 1-week trip with maps, social media, and occasional video uses about 3–5 GB
- Compare plans — every country page shows verified Airalo, Holafly, and Saily pricing side by side with a plan picker you can sort by price, data, or value
Below you’ll find step-by-step guides covering installation on iPhone and Android, device compatibility, data planning, and more. New guides are added as we publish them.