London eSIM eSIM – Review & Full Test 2026

🌍

Countries covered

184 countries

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Starting at

9,00 $

❌

Calls/SMS

No

UK-oriented travel eSIM service but covering over 184 destinations worldwide.

Fast activation thanks to instant sending of the eSIM QR code by email after purchase.

No physical SIM card to buy or insert, avoiding queues in stores or at the airport.

Plans are valid from the first network connection in the country, not from the purchase date.

Convenient option for tourist stays, business trips, and longer stays.

Ability to keep your physical SIM for calls while using the eSIM for data.

Destinations & coverage

By region

Key points

✅

Advantages

  • ✓ Simple online purchase process with country, data volume, and duration selection.
  • ✓ Near-instant sending of the eSIM profile by email for installation before departure.
  • ✓ Allows staying connected upon arrival without looking for a local store.
  • ✓ Paperless solution avoiding physical SIM cards and risk of losing them.
  • ✓ Suitable for recent unlocked eSIM-compatible smartphones, widely available since 2018.
⚠️

Disadvantages

  • ✗ Plans appear mainly data-centered, with no mention of included calls or SMS.
  • ✗ Little public information on accepted payment methods or refund conditions.
  • ✗ No dedicated mobile app mentioned; management is done via the website.

Description

London eSIM is a travel eSIM service that allows you to buy data plans online for the United Kingdom and over 184 destinations, then instantly receive a QR code by email to activate mobile connection upon arrival. The offers cover multiple countries with various durations, no physical SIM card to insert or store visits needed, and promise transparent pricing with no hidden roaming fees. Ideal for tourists, business travelers, and expatriates who want a simple, fast, and 100% digital solution to stay connected.

How it works

Make sure your smartphone is eSIM compatible, for example, a recent model released from 2018, and unlocked by your operator.

Go to the London eSIM website, select the country or region you are traveling to, then compare the plans offered based on duration and data volume.

Add the chosen plan to your cart then complete the purchase through secure online payment to receive your eSIM.

After payment, check your inbox to retrieve the QR code or installation instructions for your eSIM.

In your phone settings, open the eSIM or Mobile Data menu, scan the received QR code, and follow the instructions to add the eSIM profile.

Upon arrival in the country, activate the eSIM profile in settings and ensure that mobile data and, if necessary, data roaming are enabled.

During the trip, monitor your data usage in your phone settings or your customer account on the London eSIM site.

Alternatives

FAQ

Your plan's validity starts when the eSIM connects for the first time to a network in the destination country, not at the time of online purchase.

Yes, London eSIM works alongside your physical SIM card, usually allowing you to keep your usual number for calls and use the eSIM for data.

London eSIM is compatible with most recent eSIM-capable smartphones released from 2018, such as iPhone XR and later models as well as several unlocked Samsung and Google Pixel models.

After choosing your plan and completing payment on the site, you usually immediately receive an email containing the QR code or installation instructions for your eSIM.

Yes, it is recommended to install the eSIM before departure as long as you have an internet connection; the validity period only starts at the first connection in the destination country.

Public information mainly highlights data plans for internet browsing, with no mention of included calls or standard SMS.

Regularly monitor your usage, limit high-quality video streaming, disable automatic updates, and restrict background activity of the most data-consuming apps.

Check the activation of the eSIM profile, data roaming, and the selected data line, restart the phone, and if the problem persists, contact support via the site.

Company info

Legal name: Desklink Ltd

Email: [email protected]

Website: https://londonesim.io

Support

24/7

Accepted payments

card, crypto

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