No more SIM kiosks
Skip the airport queues. Install your eSIM at home, activate when you land.
Buy a Data Plan
Search for your destination and pick any data plan
United Kingdom Unlimited
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 Plan Your Trip
Tell us how long you'll be away — we'll highlight the right plan.
Unlimited data for your trip of 3 days
BritMobile Unlimited
PLAN TYPE UNLIMITED
COVERAGE United Kingdom
DATA Unlimited
VALIDITY 1 Day
PRICE $5.90
BritMobile Unlimited
PLAN TYPE UNLIMITED
COVERAGE United Kingdom
DATA Unlimited
VALIDITY 3 Day
PRICE $13.90
BritMobile Unlimited
PLAN TYPE UNLIMITED
COVERAGE United Kingdom
DATA Unlimited
VALIDITY 5 Day
PRICE $19.90
BritMobile Unlimited
PLAN TYPE UNLIMITED
COVERAGE United Kingdom
DATA Unlimited
VALIDITY 7 Day
PRICE $24.90
1 GB of high-speed data every day. Once it is used the speed drops to 128 Kbps, but your connection is never cut off. Data only — no phone number. These lines cannot be refilled — when the validity ends the line is closed.
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
- 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. - 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. - Activate when you land in the UK
Enable the eSIM data line once you arrive. Your device connects to Everything Everywhere or O2 automatically. - 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
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 | |
|---|---|---|---|
| FEATURES | |||
| Setup time | Few minutes | Shop or supermarket, no paperwork | Auto |
| No local ID needed | Online checkout | No ID needed in the UK | Use home account |
| Speed | 4G/LTE on all four UK networks; 5G in some areas | One network only | Partner-dependent |
| Travel support | English support 24/7 | English, UK business hours | Home carrier hours |
| Keep home number | Dual SIM | Replaces it | Same number |
| Cost predictability | Fixed price | Prepaid, rolling monthly | Bill-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.
Travel Blog
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.
