The onesim blog
Good trips start here.
Places to explore, practical travel advice, and ideas for your next journey.
Destination guides
Egypt now the Grand Egyptian Museum has opened
The biggest archaeological museum in the world opened beside the pyramids in November 2025, and it changes how you plan Cairo. A ten-day route, with the booking that sells out.
Travel tips
Eleven questions people ask before buying their first travel eSIM
Two phones, one eSIM. When the clock starts. Whether you can tether. The answers to the things that stop people pressing buy.
Destination guides
Germany to Türkiye by car: the Sıla yolu, and what changed in 2026
About 1,900 km from Munich to Istanbul. The two routes, every vignette and toll at 2026 prices, what the EES means at the border, and Türkiye's new rule for foreign plates with unpaid tolls.
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Destination guides
The Banana Pancake Trail in 2026: six countries, four weeks, one eSIM
Bangkok, an island, Angkor, Vietnam, Penang, Singapore and Bali: the classic first trip as it runs now, with the border that closed, the forms that arrived and one data plan.
Destination guides
Chasing the northern lights in 2026–27: four countries, one eSIM, no guarantees
Tromsø, Lapland, Abisko or Iceland: when the dark and the moon are on your side, what a chase costs this winter, the free forecasts worth opening, and why your phone sees pink when you see grey.
Destination guides
Germany to Kosovo by car: vignettes, borders and the 3am burek
Munich to Prishtina is 1,300 km, two big borders and one argument about Hungary. The 2026 tolls, the Kosovo insurance booth, and how to keep the whole car online.
Travel tips
Your phone battery on a fourteen-hour travel day (and the new power bank rules)
Airlines spent 2025 and 2026 rewriting the rules on portable chargers. What you can bring, what you can no longer do with it, and how to make a phone last the day.
Travel inspiration
Europe in the shoulder season: a month-by-month map
Same coastline, half the people, a third off the price. Which European months are actually worth booking, and what closes when.
Travel tips
Your eSIM says No Service: work through this before you panic
Nine checks, in order, for a travel eSIM that will not connect after you land — and the one thing you should not do.
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