Review Your Cart

Your cart is empty.

You haven't added any eSIM packages yet. Start exploring our plans to get connected!

Browse our eSIM Packages
🎉 Welcome offer: 20% off with promo code FIRSTWELCOME20

United Kingdom Unlimited United Kingdom Unlimited  

Traveller using laptop with phone hotspot in a UK train station waiting area during early morning

United Kingdom Unlimited eSIM: Daily Data with All-Day Fallback Connection

Platform 9 at King's Cross, two hours until your connection, and six more stops before tonight's hotel in Edinburgh. Long-haul travel days through the UK demand a connection that survives the whole journey without rationing every megabyte. eSIMno Unlimited plans give you 1 GB of high-speed data each day — and when that runs out, the connection slows but never dies.
View Plans
GET A FULL20%OFFon your first order
Use code: FIRSTWELCOME20

Stay connected,
wherever you go

Seamless global eSIM coverage

Explore our plans below

Plan Your Trip

Tell us how long you'll be away — we'll highlight the right plan.

3 days
1357
Unlimited data for your trip of 3 days

Already a customer?

EARN UP TOON EVERY FRIEND'S PURCHASE
NETWORK: Everything Everywhere & O2 Depending on the plan you choose, you'll connect to one or more of these networks.

Quick Facts

Plan Type
Unlimited data (fair use)
Coverage
United Kingdom
Daily High-Speed Quota
1 GB, then 128 Kbps
Validity
1, 3, 5, or 7 days
Networks
Everything Everywhere, O2
Activation
Scan QR code, activate when ready
Top-up
Not available
Phone Number
None (data only)

How to Get Your eSIM

  1. Purchase and receive your QR code
    Complete checkout and your eSIM QR code arrives instantly via email. No physical SIM card, no waiting for delivery.
  2. Scan and install before departure
    Go to your phone's eSIM settings and scan the QR code. Install while you still have Wi-Fi — the eSIM will sit ready until you activate it.
  3. Activate when you land in the UK
    Enable the eSIM data line once you arrive. Your device connects to Everything Everywhere or O2 automatically.
  4. Monitor your daily usage
    Track your high-speed data in your phone settings. After 1 GB, speeds slow to 128 Kbps but the connection continues uninterrupted.

How the Unlimited Plan Works

Each day you get 1 GB of high-speed data on Everything Everywhere or O2 networks. Use it for whatever you need — uploads, downloads, navigation, social media. Once that gigabyte is consumed, your connection continues at 128 Kbps until the next reset.

At 128 Kbps, you can still load maps, send and receive text messages through WhatsApp or iMessage, check email, and browse basic websites. You cannot stream video, make reliable video calls, or upload large files. This is the honest trade-off: you're never cut off, but heavy use after the quota means patience.

The daily allowance resets at 00:00 UTC — that is a fixed moment in UTC, not midnight where you are, so check your phone's UTC offset if you plan around it. Every Unlimited bundle, regardless of validity length, includes 1 GB of high-speed data per day.

This is a data-only eSIM. There is no phone number attached, which means no voice calls and no SMS. If you need to receive verification codes or make actual phone calls, consider the United Kingdom Voice plan instead, which includes a working number.

Connected Through Every Leg

Traveller checking phone and laptop in UK airport departure lounge with aircraft visible through rainy windows
Keep messaging and maps working even after your high-speed quota runs out.

Is This Plan Right for You?

The Unlimited plan fits you if: You're crossing the UK in a single long travel day — airports, trains, buses, and waiting rooms from morning to night. You need maps and messaging to keep working no matter what. You want the security of never being disconnected, even if speeds drop. Your usage is spread throughout the day rather than concentrated in heavy sessions.

A standard data plan fits better if: Your trip exceeds seven days — the longest Unlimited validity available. You need video calls for work or large file uploads that require consistent high speeds. You'd rather have a larger data bucket without the daily reset structure. For trips longer than a week or heavier bandwidth needs, the United Kingdom page lists fixed-data plans with extended validity that may suit you better.

Neither plan includes voice calls or SMS. This is purely about keeping your data connection alive throughout your journey across the United Kingdom.

Traveller Tips

  • Download offline maps for areas with weak signal before your high-speed quota runs out — the 128 Kbps fallback works better with cached map tiles.
  • Queue large downloads and photo backups for when you're on hotel Wi-Fi; the Unlimited plan excels at steady light usage, not bulk transfers.
  • Keep messaging apps in text mode after hitting your daily limit — voice notes and image-heavy chats will struggle at 128 Kbps.
  • Set your phone to show UTC time as a secondary clock so you know exactly when your daily quota resets without converting time zones.
  • If travelling with others, each person benefits from their own Unlimited eSIM rather than draining one plan's daily quota through hotspot sharing.
  • Plan your heaviest data use — video research, large emails, app updates — for early in your day when your full-speed quota is fresh.

Compare Connectivity Options for United Kingdom

Recommended
Local SIM / Operator
Roaming
Setup timeShop or supermarket, no paperworkAuto
No local ID neededNo ID needed in the UKUse home account
SpeedOne network onlyPartner-dependent
Travel supportEnglish, UK business hoursHome carrier hours
Keep home numberReplaces itSame number
Cost predictabilityPrepaid, rolling monthlyBill-shock risk

Frequently Asked Questions (FAQs)

Your connection slows to 128 Kbps but is never cut off. At this speed, you can still use maps, send text messages through apps like WhatsApp, and check email. Video streaming and video calls will not work reliably. Your full-speed allowance returns at the next daily reset.
The daily quota resets at 00:00 UTC. That is a fixed moment in UTC, not midnight where you are, so check your phone's UTC offset if you plan around it.
No. The Unlimited eSIM cannot be refilled or topped up. When your validity period ends, the line closes permanently. If you need more time, you'll need to purchase a new eSIM.
Yes, 128 Kbps handles navigation apps adequately, especially if you've cached some map data while at full speed. Text-based messaging and basic email also work. However, loading image-heavy websites, streaming music, or making video calls will be frustrating or impossible at this speed.
No. This is a data-only eSIM with no phone number, no voice calls, and no SMS capability. If you need to receive verification texts or make phone calls, you'll need a different plan type that includes a working number.
The longest Unlimited plan available is 7 days. For longer trips, we recommend the standard UK data plans, which offer extended validity periods better suited to stays of a week or more.
GET A FULL20%OFFon your first order
Use code: FIRSTWELCOME20

Stay connected,
wherever you go

Seamless global eSIM coverage

Get Started
The United Kingdom Unlimited eSIM delivers 1 GB of high-speed data every day. Once you hit that daily allowance, speeds drop to 128 Kbps — enough for Google Maps navigation, WhatsApp messages, and checking email, but not for streaming video or making VoIP calls. This is data only: no phone number, no calls, no SMS. The daily quota resets at 00:00 UTC; that is a fixed moment in UTC, not midnight where you are, so check your phone's UTC offset if you plan around it. This plan fits travellers who need reliable background connectivity across a long day rather than heavy media consumption. If you're navigating train connections, keeping colleagues updated, or downloading boarding passes between legs, the unlimited fallback means you'll never lose your map mid-journey. However, if your trip requires video conferencing, large uploads, or consistently high bandwidth, the standard data plans with larger fixed allowances may serve you better. The Unlimited line cannot be refilled or topped up. When your validity period ends — whether 1, 3, 5, or 7 days — the line closes permanently. For trips longer than a week, purchase a standard data plan with extended validity instead. This is the honest trade-off: guaranteed connection continuity in exchange for accepting the daily speed limit.
No more SIM kiosks

No more SIM kiosks

Skip the airport queues. Install your eSIM at home, activate when you land.

no roaming charges

No roaming surprises

Forget the $200 phone bill three weeks after your trip. Plain pricing, no hidden fees.

keep your physical sim

Keep your home number

Dual-SIM means your physical SIM stays active for calls and texts. eSIM handles only data.

easy installation

Setup in 2 minutes

Scan QR code, follow on-screen steps, you're connected. Works on any eSIM-compatible phone.

Pay SafelyVisa CardMaster CardGoogle PayPayPalApple Pay

How does eSIMNo Works?

Experience seamless global connectivity with our personal eSIM service. Enjoy faster speeds, wider coverage, and the convenience of online purchasing.

Buy a Data Plan

Buy a Data Plan

Search for your destination and pick any data plan

Step 1

Install your eSIM

Install your eSIM

Easy installation via qr code

Step 2

Activate Your eSIM

Activate Your eSIM

Only active when you are ready to use data

Step 3

Advantages

24/7 Customer Support

Reach our team via WhatsApp and email during business hours. Quick answers to common questions available anytime through our automated assistant.

Immediate delivery

Your eSIM arrives by email within minutes. Install it before you board your flight.

Worldwide Coverage

One eSIM, 160+ countries. Land anywhere and connect instantly — no SIM swapping, no roaming charges.

Check Compatibility

Check Compatibility

Before buying and installing an eSim, check if your phone supports one

Check if your phone is eSIM compatible

As you feel the need to use eSIM on your phone, the first question that arises is: does your mobile support eSIMs? And do eSIM-compatible devices work in all regions worldwide?

Some phones that support eSIM technology

  • IPhone XS and Later
  • Samsung Galaxy S20 and Later
  • Pixel 4 and Later
  • Xiaomi 12T Pro and Later
All eSIM-Compatible Phones

Frequently Asked Questions (FAQs)

Find helpful information to answer your questions

Can I install multiple eSIMs on the same phone?
Yes. Modern iPhones and Android devices support multiple eSIM profiles - typically 5 to 8 stored profiles, with 1 or 2 active simultaneously. You can install eSIMs for different countries and switch between them in settings without removing any.
What customer support is available if I have issues?
eSIMno offers 24/7 support via WhatsApp and email. Our human support team - not bots - handles installation help, troubleshooting, billing questions, and refund inquiries. Most issues are resolved within minutes during business hours and within a few hours overnight.
What happens when my data plan runs out?
When you use up your data allowance, your connection stops until you top up or purchase a new plan. You can top up directly from the eSIMno Center while connected to Wi-Fi, or buy a new plan if your validity period has expired.
How do I activate the United-kingdom-unlimited eSIM?
Your eSIMno order confirmation email contains your QR code, your SM-DP+ address and activation code, a one-tap install link, and an "Install eSIM" button - so you can install right from the email. The same options are also on the website: sign in at esimno.com and go to Profile > My eSIMs > your plan > Install. To install, use any ONE of these methods: (1) on the phone you are setting up, tap the one-tap install link/button (iPhone on iOS 17.4+ or Android 9+); (2) use the QR code - because a phone cannot scan its own screen, show this QR on another screen (computer/tablet) or a printout and scan it WITH the phone you are setting up (never with someone else's phone, or the eSIM would install on that phone); or (3) enter the SM-DP+ address and activation code manually. Your United-kingdom-unlimited eSIM activates automatically when you connect to a local network at your destination.
What should I do if I see a 'No network' message after activating my eSIM?
If you see a 'No network' message after activation, try these steps in order: (1) Toggle airplane mode on for 10 seconds, then off. (2) Confirm data roaming is enabled for the eSIM line. (3) Manually select a network in cellular settings. (4) Restart your phone. If the issue continues, contact eSIMno support via WhatsApp or email.
Can I share data from my eSIM with someone else's phone?
Yes, through Personal Hotspot. Activate hotspot on your phone, share the password, and the other device connects to your data. Data used by connected devices counts toward your eSIM plan, so monitor usage to avoid running out faster than expected.
When should I set up my eSIM?
A Wi-Fi connection is required to install your eSIM, so we recommend setting it up before you leave home. Activation can happen later, either right before departure or after you land at your destination - but the initial QR scan needs Wi-Fi.
Can I use my SIM card and eSIM at the same time?
Yes. On dual-SIM devices (most modern iPhones and Android phones), you can run your physical SIM and the eSIM simultaneously. Use your home SIM for calls and SMS, and the eSIM for mobile data. Keep in mind that leaving your home SIM active may trigger roaming charges if you use it for calls or texts abroad.
Can I extend my eSIM plan validity?
The validity of a package that is already running cannot be extended, but you can top up: a top-up adds a new package with its own data AND its own validity days. Packages run one at a time - the top-up waits in queue and activates automatically when your current package ends (data used up or days expired), and its own days start counting from that moment. In practice this keeps you connected longer, even though the current package's own end date does not move.
Do I need to deactivate my original SIM?
We recommend turning off cellular data and data roaming on your original SIM while abroad to avoid accidental roaming charges. You don't need to physically remove the SIM - just disable data and set the eSIM as your primary data line.
Do I need to remove my eSIM after my trip?
You don't have to remove it. Once your data plan expires, the eSIM simply stops providing data. You can leave the dormant profile on your phone and reuse it next time by purchasing a new plan, or delete it from cellular settings to free up an eSIM slot.
Does the eSIM work in rural areas and small towns?
Coverage depends on the partner network's reach in United-kingdom-unlimited. Major cities, tourist areas, and highways typically have strong 4G/5G coverage. Remote rural areas may have weaker signal or fall back to 3G. Download offline maps before heading off the beaten path.

Use Your Free Credit

You can earn up to 15% commission from your friends' purchases with your Reference code. Plus, your friends will get $2 off their first purchase when they use your code!

FIND OUT HOW
Refer a friend

Refer

A FRIEND

Step into the world of E-SIM, bring your friends and benefit together!