It's a digital SIM that's built into your phone, so you don't need a physical SIM card. This means you can easily switch between networks or data plans without having to swap out SIM cards.
Plus, if you need a new SIM in a hurry, you can download one rather than going to a shop or waiting for one to be sent to you in the post.
How does it work?
How does it work?
When you activate an eSIM, you'll download the network profile to your phone. And you'll be able to start using your plan right away.
Here's a short handy video to help get you up and running on a giffgaff eSIM.
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