GigSky eSIMs for Guernsey in 2026

Sure Mobile is the sole network GigSky lists for Guernsey, so the operator is settled before you choose a plan; the differences are allowance and validity rather than signal. GigSky lists 5G as the fastest technology here. Traffic breaks out in the United States of America, lengthening the round trip to Guernsey-hosted services; video calls and gaming may feel it, while maps, messaging and browsing largely will not, and services checking your IP place you in the United States. With a large range, sizing is the real decision; GigSky does not say whether top-up is available, so check before buying.