United Kingdom eSIM

Before you buy an eSIM for the UK, check that the phone supports eSIM and is not tied to your home carrier, which is the most common reason a purchase goes unused. Keying in star hash 06 hash shows an EID alongside the IMEI when the hardware is there. Checkout delivers a QR code, and installing it at home over your own wifi keeps the step away from a busy arrivals hall. Installation does not start the plan, since most UK plans count from their first connection to a British network, and each product page states its rule. On landing, turn the travel line on and permit data roaming for it only. An eSIM card for the UK is bound to the handset that received it, so it cannot be moved to a spare phone in your bag. A UK SIM card from a high street phone shop is the route when you need a British number, for a booking system or a verification code. That UK prepaid SIM card is sold separately and is not offered on this page. An e-SIM for the UK does not cover the Republic of Ireland, which is a separate country and needs its own plan.

Internet in the UK runs on four main mobile networks, which Ofcom names as EE, Vodafone, O2 and Three, and every other British provider rides on one of them. No travel plan tells you which of the four it uses, so you cannot choose your network by where you happen to be standing. That makes the Ofcom figure for good 4G coverage from all operators, rather than from at least one, the measure that describes your situation. Ofcom models coverage across the landmass, a stronger measure than the population counts many countries publish. Even so, the model will not tell you about a single glen in the Highlands, a valley in Snowdonia or the middle of Dartmoor, and those are where visitors actually lose signal. Download offline maps before any long walk, whichever plan you hold. Indoor coverage is measured separately and is generally weaker, especially behind the thick stone walls of old cottages and country hotels. Data roaming in the UK must be enabled on the travel line and disabled on your home line, which would otherwise bill you at its own rates. Cell phone service in the UK on your usual number keeps receiving calls and texts, while the travel line handles data. An eSIM in the UK carries WhatsApp, FaceTime and other internet calls without any setup, because they run on data alone.