Compatibility and setup
Device checks, EID, QR installation and primary-SIM settings.
eSIM knowledge base
One travel question at a time: check your phone, choose a plan, avoid starting validity too early and connect after arrival.
Device checks, EID, QR installation and primary-SIM settings.
How to estimate gigabytes, trip length and the plan start event.
Choosing local, regional or global coverage for an itinerary.
Pre-flight checks and clear steps when mobile data does not connect.
Latest articles
Choose the question you want to solve before your trip. Every article shows its date, sources and related destinations.

Confirm that the exact plan permits tethering, set the travel eSIM as the data line, and size data with your own usage test.

Learn the difference between downloading an eSIM profile, enabling a line, registering on a network, and a plan’s validity beginning.

Check your EID, exact model, regional variant, and carrier lock before buying a travel eSIM.

Learn how to decide whether to enable data roaming for a travel eSIM, select it for mobile data, and check your primary SIM separately on iPhone or Pixel.

Set a travel eSIM for mobile data while keeping your primary SIM available for your usual number, calls, and SMS.

Compare local and regional travel eSIM options by listing every country, transit stop, and border crossing before comparing plan terms.

Compare a travel eSIM with international roaming by itinerary, phone compatibility, home-number needs, data controls, and the exact terms of each plan.

A reversible troubleshooting sequence for mobile-data issues after arrival, with a clear warning not to delete the eSIM profile unless your provider tells you to.

A practical way to estimate travel data: measure app usage, multiply it by trip length, add a deliberate reserve, and account for maps, messaging, video, remote work, and hotspot use.

A practical travel eSIM checklist covering phone compatibility, coverage, data, validity, activation, calls and the settings to review before departure.

Understand the difference between installing an eSIM, turning on its line, and starting a package’s validity period before you decide when to set it up.