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What is an eSIM?

An eSIM (embedded SIM) is a digital SIM built into your phone. It lets you connect to mobile data networks without swapping physical SIM cards.

How it works

  1. Buy a plan for your destination on guac.online or the Guac app.
  2. Install the eSIM by scanning the QR code or using the in-app flow.
  3. Activate at your destination and enjoy data right away.

Your phone can run your regular SIM and a travel eSIM at the same time. Keep your home number for calls and texts while using the eSIM for data abroad.

Why travelers love eSIMs

  • No hunting for local SIM cards at the airport.
  • Instant setup before you even board your flight.
  • Multiple plans for different countries, all on one device.
  • No risk of losing a tiny physical SIM.

Is my phone compatible?

Most modern smartphones support eSIM, including iPhone XS and later, Samsung Galaxy S20 and later, and Google Pixel 3a and later. Your phone must be carrier-unlocked to use a travel eSIM.