eSIM United Kingdom
United Kingdom eSIM from 1,95€ on the EE, Vodafone and O2 networks, 1 to 50 GB or unlimited, prepaid with no contract and no registration — online the moment you land at Heathrow.
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2GB highspeed/day, then unlimited at 1Mbps
Your Selection
Your plan only starts counting when the eSIM first connects at your destination — so you can buy today and travel in three weeks.
How does Simbye eSIM work for the United Kingdom?
Set it up at home
You get the eSIM by email after buying. Open the email on your home Wi-Fi, tap the install link or scan the QR code with a second device, and that is it. The line now sits in your phone without using anything yet.
Switch on after landing
Heathrow, Gatwick, Stansted, Luton, London City, Manchester, Birmingham, Edinburgh, Glasgow, Bristol or Belfast: turn off airplane mode, pick the new line for mobile data in your settings and switch data roaming on for it. The network is usually up within a minute or two, often before you leave baggage reclaim.
Validity and top-ups
The plan starts counting only when you first connect to a British network, not when you buy it. If you run low, you top up online — the same eSIM stays in your phone, nothing to reinstall.
Check Device Compatibility
Make sure your device supports eSIM before purchasing
Which networks will you be on in the United Kingdom?
You never pick a network by hand — your phone automatically takes whichever of the three is strongest where you are.
The Simbye eSIM uses 3 networks in the United Kingdom: EE · Vodafone · O2.
| Networks | Download | Upload | Latency |
|---|---|---|---|
| EE | 110Mbit/s | 16Mbit/s | 36ms |
 | 75Mbit/s | 12Mbit/s | 44ms |
 | 44Mbit/s | 8Mbit/s | 38ms |
Source: nPerf averages, 01.01.2025 – 31.12.2025.
The eSIM is allowed onto the EE, Vodafone and O2 networks. The first time you switch on in the United Kingdom, your phone searches by itself and settles on whichever network has the strongest signal — in the arrivals hall at Heathrow, Gatwick, Stansted, Manchester or Edinburgh you are usually online before you reach the baggage belt. There is no APN to type in anywhere. If you ever see bars but nothing loads, the fix is usually in your settings: switch network selection to manual, let it search, pick one of the other networks, then set it back to automatic.
In London and the big cities — Manchester, Birmingham, Leeds, Liverpool, Glasgow, Edinburgh, Cardiff, Belfast, Bristol, Newcastle — you have solid coverage, usually 5G in the centres. Motorways and main rail lines are reasonably covered, although on a moving train the connection still drops regularly in cuttings and tunnels. It thins out away from the cities: the Scottish Highlands, Skye and the islands, Eryri (Snowdonia) in Wales, the Lake District, the Yorkshire Dales, Northumberland and stretches of the Cornish coast all have valleys and shorelines with no signal at all. If you are going hiking, download your maps and timetables beforehand.
eSIM or a local SIM card in the United Kingdom?
In Britain nobody asks for ID either way, so it comes down to time: the eSIM sits on your phone before you fly and tops up online, while a shop card gives you a British number and texts.
| Feature |  Simbye eSIM |
Local SIM card |
|---|---|---|
| Setup | Buy and install at home before you fly, via the link or QR code in the email | Only after landing, at an airport shop or in town |
| Time after landing | None, the line is already in your phone | Find a shop, queue up, mind the opening hours |
| ID required | No, no registration and no sign-up | No, the United Kingdom does not require ID for prepaid SIMs |
| Data | 1 to 50 GB or unlimited, 7 to 180 days | Whatever the shop happens to have in stock |
| Price | Fixed before you travel, prepaid and without a contract | Airport shops usually charge more than shops in town |
| Top-ups | Online any time, no new card | Credit in a shop, online or through the operator's app |
| Your home number | Stays active, people can still reach you | Has to come out if your phone has only one SIM slot |
| Calls and texts | Not possible — data only, calls only via WhatsApp and similar apps | A British number is included, so calls and texts work |
For most travelers the eSIM is the simpler choice: set up before departure, no queuing on arrival.
How much data do you need in the United Kingdom?
Trip length
How you use your phone
What does an eSIM for the United Kingdom cost?
from 1,95€
9 plans · 7–180 days · unlimited from 19,95€
Simbye offers 9 plans for the United Kingdom from 1,95€ to 47,95€ — data packs from 1,95€, unlimited from 19,95€. Prepaid, no contract.
Plans for the United Kingdom range from 1 GB to 50 GB, plus unlimited options.
Validity runs from 7 to 180 days and starts with your first connection in the United Kingdom.
Data plans
Unlimited
- 1 GB 7 days 1,95€ 0,27€ per travel day
- 3 GB 30 days 3,95€ 0,13€ per travel day
- 5 GB 30 days 5,95€ 0,19€ per travel day
- 10 GB 30 days 11,95€ 0,39€ per travel day
- 20 GB 30 days 18,95€ 0,63€ per travel day
- 50 GB 180 days 38,95€ 0,21€ per travel day
- Unlimited 7 days 19,95€ 2,85€ per travel day
- Unlimited 15 days 33,95€ 2,26€ per travel day
- Unlimited 30 days 47,95€ 1,59€ per travel day
Good to know
- Networks
- EE + Vodafone + O2
- Setting it up
- A link in your email, or the QR code — one tap is enough
- Network technology
- 4G/LTE — and 5G where the network already offers it
- APN and settings
- Nothing to set. The eSIM brings everything with it
- Hotspot
- Allowed — for a laptop, tablet or a travel companion
- Adding more data
- Top up any time, without setting anything up again
- Calls and texts
- Not included — WhatsApp calls run over the data
- Your own number
- Stays in the phone and stays reachable
- Contract
- None. The plan ends by itself
- Worth knowing
- Roaming on your home contract gets billed here — this eSIM is prepaid, so nothing is added afterwards
Frequently Asked Questions about United Kingdom eSIM
Data, calls, real phone numbers, top-ups and setup — everything you need to know before you buy a Simbye eSIM.
Yes, an eSIM for the UK works there too. The United Kingdom covers England, Scotland, Wales and Northern Ireland, and the same plan and the same three networks apply everywhere. Not included are the Republic of Ireland, Jersey, Guernsey and the Isle of Man — they are not part of the UK and run their own networks.
No, you don't get a British phone number. This is a data-only plan: no number of its own, no calls and no texts over the network. Your home number stays active alongside it, so people can still ring you and verification codes still arrive. Calling works through WhatsApp, FaceTime or Zoom, because that runs over data.
How much data you need for a week in London depends on use: maps, timetables, messengers and a bit of social media need only 1 to 2 GB. If you stream a lot of video or run a hotspot for your laptop, plan for more or take an unlimited plan straight away. You do not have to decide up front — you can top up at any time.
No, you don't have to register or show ID. The United Kingdom does not require ID registration for prepaid connections. You buy the eSIM online, it arrives by email, and you do not have to show anyone anything on arrival.
You'll have signal on the London Underground, but only partly. TfL has been fitting mobile coverage to the Underground for a few years now: around 60 per cent of the underground stations are live and the tunnels are following section by section, with the whole network due around the end of 2026. Between two stations it can still go quiet, so plan your route above ground.
No, you can't call emergency services with this eSIM. You dial emergency services through your home SIM, which stays in the phone alongside it — in the UK both 999 and 112 work.
You can buy an eSIM for the UK online and install it in minutes. Pick a plan from the price table above on this page, pay, and the QR code arrives by email. Scan it with your phone camera and the UK profile installs. Set it up at home before you travel, then switch it on when you land in London.
An eSIM for the UK is a British data profile. British mobile networks carry eSIM traffic, so a travel eSIM connects across England, Scotland, Wales and Northern Ireland. You don't need a local contract, a shop visit or a plastic card. Your phone only needs an eSIM slot — iPhone XS and newer, plus most recent Samsung, Pixel and Xiaomi models.
An eSIM for the UK starts at 1,95€, and the final price depends on the data volume and number of days you choose. A weekend in London needs only a small bundle, a month of work travel needs more. You pay once, up front, with no contract and no monthly bill.
The best eSIM for the United Kingdom depends on whether you need a number. If you only want data on your phone, this plan is the flexible one: it can use EE, Vodafone or O2, runs from a week up to six months, allows hotspot, and scales from a single gigabyte to unlimited. If you need a British number for calls and texts, choose the plan that includes one instead.
Ready for the United Kingdom?
Pick a plan, tap the link in your email — you are online from the moment you land.
Choose a planPrepaid, no contract. The plan simply ends on its own.
