Travel eSIM guides

Practical guides to choosing, installing and using a travel eSIM, written for first-time and regular travellers.

eSIM for long stays and digital nomads: what to look for

What to check when you need mobile data for weeks or months abroad: validity, top-up, fair use, hotspot, a local number and ID rules, and how to budget for a long stay.
eSIM, roaming or local SIM: which is best for travel?

Compare a travel eSIM, your home carrier roaming and a local physical SIM on setup, cost, phone number and convenience, and learn how to compare the cost fairly for your trip.
How much data do you need abroad? A practical guide

Estimate the mobile data you need for a trip: typical use per hour for maps, browsing, social media, music and video, worked examples for common trips, and tips to make a plan go further.
How to choose a travel eSIM: a five-step checklist

Choose the right travel eSIM in five steps: phone compatibility, coverage, data, validity and extras such as hotspot and top-up. Includes a pre-purchase checklist and the most common mistakes.
Keep your home number while using a travel eSIM

Use a data-only travel eSIM alongside your home SIM: how dual SIM works, which settings to switch on and off, and how to keep receiving calls, texts and security codes abroad.
Travel eSIM checklist: before you fly, when you land and if something goes wrong

A step-by-step travel eSIM checklist: what to do before you fly, on the day, when you land, when something does not work and on the way home.
eSIM glossary

Plain-language definitions of the terms you meet when you buy and install a travel eSIM: EID, ICCID, SM-DP+, APN, carrier lock, top-up and more.
Travel eSIM price index

What a gigabyte of travel data costs by destination, region, plan size and length, computed from eSimNest plans and refreshed with the catalogue.

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