Tavi travel guides

Practical, plain-language help for buying, installing and using a travel eSIM.

What Is an eSIM? A Practical Travel Guide

Learn how eSIMs work, what they replace, which phones support them, and how to use a travel eSIM without losing your regular number.

No internet after installing a travel eSIM? Learn why data roaming must be enabled on the travel line and how to configure it safely.

Step-by-step iPhone eSIM installation using a QR code or SM-DP+ address and activation code, including what to enter for confirmation code.

Understand what data-only eSIM means, whether WhatsApp and FaceTime work, and how to keep your regular number active while travelling.

Estimate the right travel eSIM data allowance for maps, messaging, video, work and hotspot use without overpaying.