Looking for the best travel eSIM in 2025–2026? eSIM-compatible devices are everywhere now from iPhone and Android phones to iPads, laptops with cellular connectivity, smartwatches, and travel routers making instant activation and international mobile data simpler than ever. This article breaks down what an embedded SIM (eSIM) is, how to activate your eSIM before departure, and why eSIM roaming is often a better alternative to expensive carrier roaming and time-limited data packages. You’ll also see when a physical SIM card is still useful, and how Surfroam’s global One Balance pay-as-you-go model supports multi-country travel across Europe and worldwide.
