eSIM Guides
Short, practical explainers on buying, installing and using a travel eSIM. When you are ready to compare actual plans, start from a destination.
When to buy your eSIM before a trip
How far in advance to purchase, when to install, dual-SIM convenience, and a pre-flight checklist.
What a travel eSIM costs in 2026
How price per GB works, what counts as a good deal, and how to cut your own data cost.
Global eSIM Price Index 2026 (research)
The full dataset: median price per GB for every qualifying destination, with methodology.
How does an eSIM work?
What the embedded chip is, how profiles are downloaded, QR code vs manual install.
eSIM vs physical SIM
Pros and cons of each for switching, dual-SIM, travel and device compatibility.
eSIM compatible phones
Which iPhone, Pixel, Galaxy and other models support eSIM, per manufacturer specs.
Install an eSIM on iPhone
Step-by-step through Settings, Cellular, Add eSIM and line selection.
Transfer an eSIM to a new iPhone
Move a mobile plan safely and know what to do when direct transfer is unavailable.
Install an eSIM on Android
Step-by-step for Pixel, Samsung and other Android phones.
eSIM troubleshooting
Fix no service, missing data and failed installation before deleting your profile.
Can you activate an eSIM without WiFi?
What actually needs a connection, and what to do before you fly.
Is an eSIM safe?
How eSIM security compares with a physical SIM, including SIM-swap risk.
Data-only vs calls & SMS
The difference, and how to tell which type a plan in our catalogue is.
Comparing providers instead? Best eSIM providers, cheapest eSIM plans and aloSIM vs Yesim.