eSIM technology
Clear, practical guides on how eSIMs actually work — from installation and activation to coverage, speed limits and fair usage, without the jargon.
Author Profile
Jessica Brierley
Travel Connectivity Specialist, SIMOVO
Jess helps people stay connected wherever they go, cutting through the jargon of mobile data and roaming so the focus stays on the trip rather than the tech. She has spent years getting to grips with how eSIMs actually work across different networks and regions, and she writes with the goal of saving readers money and hassle before they fly. When she's not testing coverage in another corner of the world, she's mapping out the next destination.
eSIM setupNetwork coverageMoney saving
40+
Articles published
180+
Destinations covered
3
Core topics
Areas of expertise
What I write about
Travel & discovery
Destination guides, major events and seasonal insights that help you plan smarter: where to go, what to expect and how to stay connected.
Roaming & networks
Honest analysis of roaming costs, local networks and real-world connectivity — comparing options and the trade-offs travellers should look out for.
Why SIMOVO
Planning your next trip?
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