eSIM guides and help
Everything you need to choose, install, and get the most out of your eSIM — from device compatibility to activation and topping up.
eSIM basics & trust
- What is an eSIM? — How embedded SIMs work and why they're better for travel.
- eSIM vs physical SIM — The real differences and which to pick for travel.
- Are eSIMs safe? — eSIM security, risks, and how to protect yourself.
- eSIM vs roaming — Why a travel eSIM usually beats roaming charges.
Setup, devices & troubleshooting
- How to install and activate an eSIM — Step-by-step setup for iPhone and Android.
- eSIM device compatibility — Which phones, tablets, and watches support eSIM.
- eSIM not working? How to fix it — Fixes for 'No Service' and activation problems.
- How to top up your eSIM — Add data before your plan runs out.
Travel & choosing a plan
- Best eSIM for international travel — How to choose a travel eSIM — and why alodata.
- How much data do you need? — Estimate the right plan size for your trip.
- Use an eSIM and physical SIM together — Run two SIMs at once and keep your number.