You don't need a local contract, an ID check or a shop visit. A JamboSim United Kingdom eSIM connects to Three's network the moment you land: buy it online, scan the QR once, from $4.50 and with no roaming bills.
Three is a major United Kingdom mobile operator, with strong coverage across cities and popular travel destinations.
When you activate a JamboSim United Kingdom eSIM, your phone connects to Three (or another supported local network) the moment you arrive, no app install, no manual APN setup. You keep your regular number on WhatsApp and iMessage while data runs on the local network.
Three operates a modern 5G network across United Kingdom's major cities, with 4G LTE everywhere else.
Buy now, scan once, your United Kingdom eSIM activates automatically when you land.
Tested on the routes travellers actually use, airports, hotels, transit hubs and tourist districts.
Your eSIM picks Three automatically where available, and falls back to other supported networks seamlessly.
Most UK and US plans treat United Kingdom as a rest-of-world destination, so data outside your bundle is billed per megabyte. A JamboSim eSIM on Three replaces that with one price you pay before you fly.
EE, Vodafone, O2 and Three, and in the US Verizon, AT&T and T-Mobile, all charge a daily or per-MB rate for United Kingdom. Your Three data runs on a local plan instead, with no bill shock when you get home.
Buying a Three SIM in United Kingdom usually means a passport copy, a registration form and a queue at the airport. The eSIM is installed before departure and connects on landing.
You pay in your own currency and our support team answers in English, seven days a week, including install help for Three.
Yes, every iPhone XS and newer supports eSIM and Three's network bands in United Kingdom. Install the JamboSim eSIM before you fly and it activates automatically on arrival.
Yes. Our United Kingdom eSIMs are configured to use Three where its signal is available, and fall back to other supported local networks automatically if coverage is weaker.
Yes. All JamboSim United Kingdom eSIMs support hotspot so you can share your connection with a laptop, tablet or travel companion without extra fees.