# Travel eSIM guides

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

Page: https://esimnest.com/guides/

- [eSIM for long stays and digital nomads: what to look for](https://esimnest.com/guides/esim-for-long-stays/): 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?](https://esimnest.com/guides/esim-vs-roaming-vs-local-sim/): 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](https://esimnest.com/guides/how-much-data-do-you-need-abroad/): 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](https://esimnest.com/guides/how-to-choose-a-travel-esim/): 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](https://esimnest.com/guides/keep-your-number-with-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](https://esimnest.com/guides/travel-esim-checklist/): 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](https://esimnest.com/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](https://esimnest.com/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.