United Kingdom eSIM

DataESIM is compatible with a broad range of modern flagship smartphones released from late 2018 onwards. This includes iPhone models (XS, XR, 11 series, 12 series, 13 series, 14 series, 15 series), Google Pixel devices (3, 4, 5, 6, 7, 8 series), and Samsung Galaxy S series (S20, S21, S22, S23, S24 series) and Note series (Note 20). Many recent tablets and select laptops also integrate eSIM technology. To confirm your device's specific compatibility, navigate to its cellular settings and look for options related to adding an eSIM or digital plan.

DataESIM is designed for seamless global connectivity on virtually all flagship smartphones released since 2019. This includes the Apple iPhone XS and all subsequent models, Google Pixel 3 and newer generations, and the Samsung Galaxy S20 series and all subsequent iterations. Additionally, a growing number of mid-range smartphones and even some tablets and smartwatches now support eSIM. These devices are ideal for digital nomads and power users, enabling rapid provisioning of high-data plans across multiple countries without managing physical SIM cards, ensuring consistent high-speed access wherever they travel.

No. An eSIM can be installed only once, and it locks to the first device it is installed on. It cannot be moved to another phone, re-scanned, or reinstalled afterward, and it is non-refundable once installed. Please install your eSIM on the device you plan to keep using. If you are switching devices and need help, contact our support team.

Yes. With DataESIM you top up the eSIM you already installed. You do not scan a new QR code, you do not install a second profile, and your phone number setup does not change.

Open the DataESIM app or your account page, pick a top-up for the eSIM you are using, and the data is added to the same line. The validity period is extended at the same time, so a 7-day plan topped up on day 5 keeps running instead of expiring.

This matters most when you are already travelling: running out of data usually means you have no connection to buy more with. Because the top-up lands on the existing profile, it works as soon as it is processed, without Wi-Fi and without reinstalling anything.

DataESIM includes a free VPN with every active eSIM. It is not an add-on, a trial, or a paid upgrade: as long as you have an eSIM plan that is still valid, the VPN is available at no extra charge.

This is unusual in the travel eSIM market. Most providers sell data only, and you buy a VPN separately from a VPN company. A few bundle a paid VPN subscription. With DataESIM the data plan and the VPN come from the same purchase.

It matters because mobile data abroad does not solve everything. Public Wi-Fi in airports and hotels is unencrypted, some services are restricted depending on the country you are connected from, and banking apps behave differently on foreign networks. The VPN covers that part.

DataESIM provides seamless, high-performance data connectivity across the United Kingdom by leveraging direct access to tier-one networks such as EE, Vodafone, and O2. Upon acquiring a UK-specific DataESIM plan, you will receive a QR code for provisioning. Scanning this code initiates the eSIM profile download and activation, typically within seconds, eliminating the need for a physical SIM card. This method ensures you have immediate access to robust 4G/5G data services upon arrival, whether you're disembarking at Heathrow Airport or working remotely from Manchester.

Yes, DataESIM permits pre-emptive installation of your UK eSIM profile. The activation of your data allowance is contingent upon establishing a connection with a supported network within the United Kingdom. This functionality allows you to complete the provisioning process before your departure, ensuring immediate data access the moment your device registers on a UK network, such as Vodafone UK or EE, upon landing. This streamlines your connectivity experience, providing uninterrupted workflow from the outset.

For optimal performance with DataESIM in the United Kingdom, your device must be eSIM-compatible and factory unlocked. Most flagship smartphones from recent generations support eSIM technology, including iPhone XS and all subsequent models, Samsung Galaxy S20 series and newer, and Google Pixel 4 and later iterations. We recommend verifying your specific device's eSIM capability and ensuring it is not carrier-locked to guarantee a smooth provisioning experience and access to the high-speed networks of EE or O2.

No, DataESIM's architecture for the United Kingdom operates by directly integrating with local network infrastructure, such as EE, Vodafone, or Three. This direct access model bypasses traditional international roaming frameworks entirely. Consequently, users will experience local data rates and speeds without incurring any additional roaming fees. This design is specifically beneficial for power users, remote workers, and digital nomads who require predictable, high-performance data without cost escalations while operating in London or anywhere across the UK.

DataESIM plans for the United Kingdom are primarily engineered for high-volume data transfer, optimizing for internet-dependent applications. These plans are data-only and do not natively include traditional voice call or SMS capabilities. However, users can seamlessly utilize VoIP (Voice over Internet Protocol) applications such as WhatsApp, Telegram, Signal, or Google Meet for voice and video communications, and messaging over the robust DataESIM connection. For specific requirements involving a local UK phone number, consider virtual number services or dedicated VoIP platforms.

Almost always, yes — usually by an order of magnitude. Standard carrier roaming outside your home region is commonly billed per megabyte or as a daily pass of 10-15 USD. A travel eSIM is a prepaid data plan bought at local wholesale rates.

A concrete comparison: a 5 GB / 30-day plan for a single country averages about 28 USD across our catalogue. A daily roaming pass at 10 USD reaches that after three days, and keeps charging.

The exception is regional roaming that your carrier already includes for free — EU-to-EU roaming for EU customers, for example. If your plan covers the country you are visiting at no extra cost, use it. Everywhere else, prepaid data is cheaper.

Less than most guides tell you. Across 278 of our own travel eSIMs, the median customer used 96 MB per day. The average was 158 MB, and even heavy users at the 90th percentile stayed under 350 MB a day.

That means for a one-week trip:

• 1 GB covers a typical traveller — maps, messaging, occasional browsing
• 3 GB is comfortable if you post photos and videos daily
• 5 GB or more only if you stream video or work off mobile data

The common advice of "1 GB per day" reflects home usage on Wi-Fi-free devices, not travel. Most hotels, cafes and airports still give you Wi-Fi for the heavy things. Buy small, and top up if you are wrong — that is cheaper than paying for data you never use.

Buy and install before you fly. Activate after you land. These are two different steps and confusing them is the most common mistake.

Installing writes the profile onto your phone and needs an internet connection — which you have at home and may not have at the airport. Activation happens automatically the first time the eSIM connects to a network at your destination, and that is when the validity period starts counting.

So installing early costs you nothing: a 7-day plan installed three days before departure still gives you 7 full days from the moment you land. Waiting until you arrive means standing in an arrivals hall trying to find Wi-Fi to install a product you already paid for.