eSIMCards logo
Search for country or region
United Kingdom flag

UK eSIM

eSIM Cards
Instant deliverySecure checkout

UK travel eSIM

eSIM UK – Unlimited Voice & Data for 365 Days

Stay connected across the United Kingdom with a Unlimited high-speed data plan built for travellers.

★★★★★4.7/510,000+ traveller reviews
DataUnlimited
Validity365 Days
CoverageUK
Speed4G / 5G*
£382.00

One-time payment · No recurring subscription

Instant email delivery Secure payment No physical SIM
UK CoverageConnect across the United Kingdom
High-Speed Data4G LTE / 5G*
Instant DeliveryDigital delivery by email
No ContractOne-time purchase

Product details

UK Unlimited eSIM Plan Details

Everything you need to know about this specific UK eSIM before you purchase.

Package Details

Unlimited UK calls and 2000 minutes to 47 countries
High Speed Unlimited UK data per Month
Enjoy hotspot
35GB EU data per Month
Lightning Fast 5G/4G LTE

Activation and Usage Restriction

Validity starts immediately upon purchase.
Using the eSIM outside the supported countries or utilizing the service beyond the included bundle will deplete your allowance and may result in the service being permanently disabled or blocked.

Connectivity

UK eSIM Network & Coverage

Connect through O2 for this plan. Actual network availability can vary by location and device.

  • ✓ United Kingdom coverage where the O2 network is available
  • ✓ 4G LTE connectivity
  • ✓ 5G where available and supported
View UK eSIM plans →
United Kingdom coverage map5G4G

Simple setup

How to Activate Your UK eSIM

Install your eSIM before your trip and connect using the plan's activation instructions.

1

Buy your eSIM

Choose this plan and complete secure checkout.

2

Receive your eSIM

Your installation details are delivered digitally by email.

3

Install & connect

Follow the supplied guide and connect when your trip begins.

Read the installation guide →

Before you buy

Is Your Phone Compatible?

Your device must support eSIM and work with the network for this product.

iPhone
Samsung Galaxy
Google Pixel
Other eSIM devices

Important information

Know Before You Buy

Validity

This plan runs for 365 days. Validity starts when the eSIM is installed.

Data usage

The plan includes Unlimited of data. After that allowance is used, service follows this plan's terms.

Hotspot

Hotspot is supported on this plan, within the included allowance.

Refunds & support

Digital eSIMs follow the refund policy. Contact support if the plan cannot be installed.

Choose what fits your trip

Other UK eSIM Plans

Need more or less data? Compare other O2 plans.

UK eSIM

50GB
180 Days
£182.00
Select Plan

UK eSIM

50GB
365 Days
£356.00
Select Plan

UK eSIM

Unlimited
30 Days
£34.99
Select Plan
CURRENT PLAN

UK eSIM

Unlimited
365 Days
£382.00

Customer Reviews

Share your experience or read what others say about our plans

Write a review

Share your experience with others

0/2000

Why your review matters

  • Helps other travellers choose the right plan
  • Share your real experience with setup & coverage
  • Honest reviews only – no signup required

Tip: Mention data speed, ease of setup or where you used it – it really helps others!

Travelling beyond the United Kingdom?

Explore More Travel eSIMs

Find connectivity for your next destination.

eSIM Cards app preview

One app. Endless travel possibilities.

Discover special offers on hotels, experiences, transport, and more- globally.

Download on the App StoreGet it on Google Play
Travel app illustration

Product FAQs

UK Unlimited eSIM FAQs

This plan includes Unlimited of data for use in United Kingdom, subject to the plan terms and network availability.

UK travel eSIM

Stay Connected in the United Kingdom

Unlimited · 365 Days · Instant Digital Delivery

£382.00

Secure payment · One-time purchase · No physical SIM

eSIMCards logo

Your trusted provider for global eSIM solutions.

FacebookX (Twitter)LinkedInYouTubeInstagram

Contact

Pentagram Systems Limited

27 Old Gloucester
St London WC1N 3AX, UK

Email: support@pentagramsystems.co.uk

Phone: +442045113780

© Pentagram Systems Limited 2026