Absolutely. On Dual SIM devices—including most iPhones and Android phones—you can use your regular SIM card and an eSIM Guernsey together. This makes it simple to manage your personal line and your Guernsey travel data side by side

Yes! Activating an eSIM for Guernsey won’t affect your existing number. You can keep your physical SIM active and switch between lines anytime in your phone settings.

Yes! You can renew or extend your Guernsey eSIM plan anytime directly from your eSIMo account or the eSIMo app—just like a standard mobile plan. No need to replace or reinstall anything.

A Guernsey eSIM is a built-in digital SIM that works just like a physical SIM card—without the plastic. With eSIMo, you can activate your Guernsey plan instantly by scanning a QR code or directly through the eSIMo app on your phone.