Travel tips, eSIM guides and destination advice from the Vsimer team.

Croatia's Dalmatian coast is one of Europe's most visited destinations. Coverage is solid in tourist areas, with a few island exceptions worth knowing.

Wi-Fi is free but unreliable. Mobile data costs money but works everywhere. Here's how to think about when to use which - and how to make your data last.

India has cheap, fast mobile data - but the eSIM situation for foreign visitors has been complicated. Here's the current picture and how to get connected.

The UK has four major carriers and mostly good coverage. Here's what international visitors need to know about connectivity, and which eSIM plans are worth buying.

Running your home SIM alongside a travel eSIM is one of the most useful things you can do with a modern smartphone. Here's exactly how to set it up.

South Korea has some of the fastest mobile networks on the planet. Here's what to expect and what's worth buying for a Seoul or Busan trip.

Offline maps save data and they work when you have no signal at all. Here's how to set them up properly before your next trip.

Dubai has excellent mobile coverage. Here's what to expect with an eSIM, which networks are best, and what the eSIM landscape looks like in the UAE.

Most flagship phones from the last four years support eSIM. Here's what's compatible - and the exceptions worth knowing about.

Thailand has cheap local SIMs and good eSIM options. Here's an honest comparison for different types of trips, from Bangkok city breaks to island hopping.

Your eSIM data plan can power your laptop, tablet, and travel buddy's phone too. Here's how to share your connection without burning through data.

Roaming charges vary wildly by carrier and destination. Here's a real comparison of what you'd pay versus what an eSIM costs for common travel scenarios.