From the EFESİM journal

Guides, comparisons and setup walkthroughs from the EFESİM team.

eSIM vs roaming: what actually costs less in 2026

We compared 12 operators across 8 destinations. The gap is wider than most travellers expect.

6 min read How-to

Setting up your first eSIM in under two minutes

A step-by-step walkthrough for iPhone and Android, including the settings people always miss.

4 min read Destinations

The 10 fastest mobile networks for remote workers

Where you can reliably take a video call from a beach, and where you really shouldn't try.