Travel eSIM guides
Short, practical answers to the questions travellers ask before and after buying an eSIM.
What is an eSIM?
A SIM card built into your phone. How it works, what you need and why travellers use one.
Read the guideeSIM vs roaming vs local SIM card
Three ways to stay online abroad, and when each one makes sense.
Read the guideDoes my iPhone support eSIM?
Which iPhones support eSIM, and how to check yours — including whether it is locked.
Read the guideHow to turn on data roaming for a travel eSIM
eSIM installed but no data? The setting people most often miss, step by step.
Read the guide
Get a travel eSIM in the app
Pick your destination in the Voyafi app, pay once and install the eSIM on your iPhone before you fly.
Buy and install in the app — available on the App Store for iPhone.
The app is currently listed as JetSIM while we complete our rebrand to Voyafi.