GuideseSIM not working abroad? 9 fixes that solve most problems
Installed your travel eSIM but no internet? Work through this checklist — data roaming, the data line, APN and network selection fix the vast majority of cases.
October 8, 2026 · 6 min
Journal
News and guides
We follow the eSIM market and explain how to save on mobile data when travelling.
Guides
GuidesBest eSIM for Canada in 2026: beat Canada's high mobile prices
Canadian mobile data is famously expensive. Here's how a travel eSIM keeps you online in Toronto, Vancouver or the Rockies for a fraction of roaming costs.
October 8, 2026 · 5 min
GuidesBest eSIM for South Korea in 2026: fast 5G and the apps you'll need
South Korea has some of the fastest mobile networks on earth. We compare eSIM options for Seoul and Busan and list the local apps that work better than Google Maps.
October 8, 2026 · 6 min
GuidesBest eSIM for the UK in 2026: London and beyond without roaming fees
Heading to London, Edinburgh or the Lake District? We compare UK eSIM options, explain the post-Brexit roaming catch and show how much data you really need.
October 8, 2026 · 5 min
GuidesBest eSIM for Europe in 2026: one plan for every border
Planning a multi-country trip through Europe? We explain regional vs local plans, which countries Europe plans really cover, and which provider fits which itinerary.
October 8, 2026 · 7 min
GuideseSIM for China in 2026: stay connected to Google, WhatsApp and more
Travelling to China? A foreign travel eSIM usually gives you access to Google, WhatsApp and Instagram without a VPN. Here's how it works and what to set up before you fly.
October 8, 2026 · 6 min
GuideseSIM for cruises: how to get internet at sea without a huge bill
Regular travel eSIMs work in port but not at sea. We explain maritime networks, cruise eSIM plans and how to avoid surprise roaming charges on board.
October 8, 2026 · 5 min
GuidesFree eSIM trial: how to test an eSIM without paying (and the cheapest way after)
Which free eSIM trials actually exist, what the catch is, and how to get your first real travel plan almost free with new-customer promo codes.
October 7, 2026 · 7 min
GuidesWhat is an eSIM and how does it work? A plain-English guide
An eSIM is a SIM card built into your phone. We explain how it works, how it differs from a physical SIM, which phones support it and why travellers love it.
October 7, 2026 · 6 min