Stay connected across the United Kingdom on Vodafone, EE, and O2. Coverage in London, Manchester, Birmingham, Edinburgh, Glasgow, and throughout England, Scotland, Wales, and Northern Ireland. Our UK eSIM activates instantly — no airport SIM hunt, no roaming bill on your return home.
5G ready Hotspot included Keep your home line 24/7 humans
Change your mind within 7 days and we refund in full — as long as the eSIM is unused or under 100 MB, so you can install it and check it connects first. A plan that genuinely fails is refunded any time. Details.
Pick data amount and validity. Pay with card, Apple Pay, or Google Pay.
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Scan the QR code
We email a QR code instantly. Scan it in Settings — installed in under 60 seconds. No app needed.
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Land online in United Kingdom
Your phone connects to local networks automatically when you arrive. No SIM swap, no kiosk. Hotspot included.
Network
Coverage & connectivity.
Networks we run on in United Kingdom
O25GT-Mobile UK5G34G
Your device connects to the strongest available network automatically — no manual setup.
London Manchester Birmingham Leeds Edinburgh Glasgow Bristol Liverpool Sheffield Cardiff
The United Kingdom has one of Europe's most comprehensive 4G/LTE networks, with EE, Vodafone, O2, and Three collectively covering more than 99% of the population. EE has the strongest 5G deployment in urban areas and is the UK's largest operator by coverage. Vodafone provides excellent rural coverage — critical for road trips through the Scottish Highlands, Peak District, and Snowdonia. London Underground (Tube) has 4G at most sub-surface stations; deeper tube lines are being progressively retrofitted. The West Coast Main Line between London and Edinburgh maintains consistent 4G. Remote areas of the Scottish Highlands and Welsh mountains may see 3G or signal gaps. All major airports including Heathrow, Gatwick, and Manchester have excellent LTE connectivity from arrivals.
Plan size
How much data do you need?
Pick your travel style and trip length — we'll suggest the right United Kingdom plan, no guessing.
Yes. 4G/LTE everywhere in Greater London and major UK cities. Central London has 5G on all networks. The Tube has 4G at sub-surface stations; deeper lines are being upgraded.
Does this work in Scotland and remote highlands?
Yes. All major Scottish cities (Edinburgh, Glasgow, Aberdeen) have full coverage. Remote Highland glens may have 3G or signal gaps — bring an offline map for these areas.
Is this cheaper than a UK tourist SIM from Heathrow?
Yes. Airport SIM vendors charge significant premiums. Flysimio connects to the same EE/Vodafone/O2 networks at lower cost, purchased before you travel.
Does this work in Northern Ireland?
Yes. Full 4G coverage throughout Northern Ireland including Belfast, Londonderry, and the Causeway Coast.
Is 5G included?
5G is available in major UK cities via EE and Vodafone. Our plans connect to 5G automatically where available — no separate 5G plan needed.
What is an eSIM?
An eSIM (embedded SIM) is a digital SIM built into your phone. Instead of a physical card, you scan a QR code and your plan installs instantly — no SIM tray needed.
Is my phone eSIM-compatible?
iPhone XS (2018) and newer, most Android flagships from 2020+, and all Samsung Galaxy S21+ devices support eSIM. Check our compatibility page for the full device list.
How do I install the eSIM?
After purchase, we email a QR code. On iPhone: Settings → Cellular → Add eSIM → Scan QR Code. On Android: Settings → Network & Internet → SIMs → Add eSIM. The whole process takes under 60 seconds.
Can I keep my regular SIM while using this eSIM?
Yes. Most phones support dual SIM (physical + eSIM). Keep your home number for calls and SMS — use Flysimio for data abroad. You control which SIM handles what in your phone Settings.
Does the eSIM include a hotspot (tethering)?
Yes, all Flysimio plans include mobile hotspot at no extra charge. Share your data connection with laptops, tablets, or other devices freely.
What happens when my data runs out?
You can top up data from your account dashboard at any time. Top-ups are applied instantly — no need to buy a new eSIM or wait.
Can I get a refund?
Yes. We offer a full refund within 7 days of purchase. Contact contact@flysimio.com with your order number.
How long is the eSIM valid for?
You have 6 months from your purchase date to activate the eSIM. Once activated, the plan validity period (e.g., 7 days, 30 days) begins counting down.
Will the eSIM work at the airport when I land?
Yes — as long as you installed the eSIM before your flight, it activates automatically when your phone connects to a local network on landing. No Wi-Fi required for activation.
What if the QR code doesn't scan?
If the QR code won't scan, you can enter the activation code manually — we include both in the email. You can also contact our 24/7 support team and we'll resend or manually provision your eSIM.
eSIM in United Kingdom
The complete guide.
Best eSIM for travel to the UK
The best UK eSIM combines broad coverage, clear pricing, and instant setup. Flysimio runs on Vodafone, EE, and O2 — networks that cover London, Manchester, and Edinburgh and reach across England, Scotland, Wales, and Northern Ireland — with 5G in the major cities. Plans are prepaid with no contract and no roaming bill on your return home: choose your data, pay once, and you're set. Your QR code arrives by email within seconds of checkout and installs in under a minute, every plan includes free mobile hotspot, and a 7-day money-back guarantee has you covered. Land at Heathrow already connected and skip the airport SIM counter.
How to set up a UK eSIM (step by step)
You can be online in the UK in about two minutes. Check your phone supports eSIM — iPhone XS (2018) and newer and most Android flagships from 2020 do. Choose your UK plan on Flysimio, pay with card, Apple Pay, or Google Pay, and a QR code arrives by email seconds later. On Wi-Fi before departure, open Settings → Cellular → Add eSIM (iPhone) or Network & Internet → SIMs → Add eSIM (Android) and scan it; a manual code is included as a backup. Keep your home line as default until you land. Arriving at Heathrow, Gatwick, or Manchester, your Flysimio line connects automatically to a UK network — no kiosk, no SIM tray, no waiting.
How much data do you need in the UK?
Most travellers over-buy. For maps, messaging, and email, about 300 MB a day is enough, so a 3–5 GB plan covers a week in London comfortably. Add social media, photos, and music and you'll want around 700 MB a day — a 10 GB plan suits a two-week trip taking in England and Scotland. If you stream on the train, video-call, or tether a laptop, budget 1.5 GB or more per day or pick an unlimited daily plan. The calculator above sizes it to your habits, and you can top up mid-trip rather than paying up front for data you may not use.
Using a UK eSIM on iPhone and Android
Flysimio works as a second line alongside your normal SIM, so your home number stays live for calls and texts while your UK data runs on the eSIM — the standard dual-SIM setup on iPhone XS and later and most Android phones since 2018. After installing, set the Flysimio eSIM as your cellular-data line and enable Data Roaming for that line only; it just connects the eSIM to UK networks, with no roaming fees. Keep your home SIM active for iMessage, or turn it off to avoid your carrier's charges. Not sure about your model? The compatibility page confirms it before you buy.
Hotspot, calls, and texts on a UK data eSIM
Every Flysimio UK plan includes mobile hotspot at no extra charge and without throttling, so you can tether a laptop or share with a companion and use your full allowance however you like — handy on the West Coast Main Line. It's a data-only eSIM, so there's no UK phone number — but WhatsApp, FaceTime, Messenger, and Google Meet cover calls and messages over data, and your home number stays reachable on your main SIM. You stay connected from London to the Highlands without the per-minute charges of traditional roaming.
Short UK trips vs. long stays
For a long weekend in London or a quick business trip, a 1–5 GB plan on a 7-day validity is the cheapest way to stay connected. For a two-week journey through England and Scotland or a longer stay, a 10–20 GB plan or an unlimited daily option gives you room to navigate, stream, and work without watching a meter. Because Flysimio plans give you six months to activate, you can buy ahead and the countdown starts only when your eSIM first connects in the UK. No contract, nothing to cancel — the plan ends when it's done, and you can top up or rebuy next time.
