By Atlass eSIM team5 min read
5 Things to Know Before Your First eSIM
New to eSIM? Here is everything you need to know before your first purchase.
1. Check device compatibility
Most iPhones from XS onward and recent Android flagships support eSIM.
2. Install before you travel
Set up your profile at home on Wi‑Fi — it is much easier than at the airport.
3. Keep your QR code safe
You can reinstall from My eSIMs if you switch devices.