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UK prepaid SIM Card to use in the United Kingdom
SIM Sizes
Standard
Micro
Nano
Avoid roaming charges, unsecured Wi-Fi hotspots and the hassle of searching for a SIM card at your destination. Get a prepaid UK SIM card before your trip.
With travSIM’s SIM Card for UK, you get:
- Mobile Data + Voice and Text to use in the United Kingdom
- Activation instructions in English and German
- 3-in-1 SIM card with standard, micro and nano SIM card sizes. These SIM cards work in iOS and Android mobile devices
- A SIM card that is rechargeable. To recharge, you should order a recharge at least 5 days before the current plan expires
- Multilingual support (English, French and German)
Benefits of the UK SIM Card
Communicate easily
Stay connected with friends, family, and fellow travellers via messaging apps like WhatsApp, Facebook, Messenger, or WeChat, regardless of geographical boundaries
Capture & share special moments
Share travel experiences, photos, and videos in real-time on social media platforms like Instagram, Facebook, Twitter or TikTok, keeping friends and followers updated on your journey
Translate
Use translation apps such as Google Translate to communicate with locals, read signs, menus, and other written materials in the local language
Get emergency assistance
Access emergency services, contact local authorities, and find nearby hospitals, police stations, or embassies using mobile data in case of unforeseen emergencies or urgent situations
Further Benefits Include:
Find your way around
Access maps and navigation apps like Google Maps or Waze to find directions. Locate attractions, and plan efficient routes around the destination
Book accommodation & activities
Access travel booking websites and apps to search for and reserve accommodations, tours, activities and transportation services conveniently from anywhere
Use currency conversion app
Quickly check exchange rates and convert prices into familiar currency, facilitating budget management and expense tracking
Get Weather updates
Stay informed about weather conditions and forecasts using weather apps, helping travellers prepare for outdoor activities, sightseeing, and packing appropriately
Works well in Major cities in UK including but not limited to:
Aberdeen, Belfast, Birmingham, Bradford, Bristol, Cambridge, Cardiff, Coventry, Derby, Edinburgh, Glasgow, Leeds, Leicester, Liverpool, London, Manchester, Newcastle upon Tyne, Nottingham, Oxford, Plymouth, Portsmouth, Reading, Sheffield, Southampton, Stoke-on-Trent, Sunderland, Wolverhampton
Activation Instructions for SIM Card UK
Purchase your SIM Card
UK SIM card, as well as activation instructions in English and German.
Send us an activation request
We recommend that you send us an activation request at least one day before the desired start date.
Insert your SIM card on arrival
Insert your UK SIM card into your device as soon as you arrive so that you can use your data, immediately.
Sean Patrick Shetler
Reviewed in the United States on May 6, 2025
The travSIM UK eSIM is a game-changer for travelers needing unlimited data without the trouble of switching physical SIM cards. I activated it instantly by scanning the QR code before landing, and it worked immediately upon arrival in London. Coverage was reliable and fast across England, Scotland, and Wales — consistent 4G/5G speeds even in rural areas.Streaming, navigation, social media, and video calls all ran smoothly with no throttling noticeable throughout the 30-day use. It’s a data-only eSIM, so for calls/texts I used apps like WhatsApp and Signal without any issues.If you’re traveling for work, school, or tourism in the UK and want a worry-free, truly unlimited data experience, this eSIM is an excellent choice. No roaming charges, no SIM swapping — just solid, uninterrupted connectivity.
Kari Morgan
Reviewed in Canada on May 25, 2025
Easy to install and use. I really appreciated having the ability to make calls.
Michael Leinweber
Reviewed in Germany on May 23, 2025
Die SIM-Karte war in UK sehr hilfreich und hat auf anhieb nach dem Einlegen in das Handy sofort funktioniert
A
Reviewed in the United States on May 21, 2025
easy set up, great speeds. works as intended. no issues with throttling or anything
green_earth
Reviewed in the United States on May 18, 2025
My son just got home from a 2 week trip to Europe. He used this particular SIM for the first leg of his trip, which was in the UK. We did activate it before he went - and honestly that was super easy. You just need to confirm the dates of use and a few more details, and that's it. He put it in when he arrived, and it gave him zero issues. He was using a global GSM phone, by the way, so I can't speak to specific phone types or country specific GSM bands, etc.He had no issue using it for data voice calls (like WhatsApp, Telegram), and seems to stay connected everywhere he went. Speed was acceptable, and as I already said, easy to setup.This card did come with a phone number - but I don't think he used that feature at all - just the data aspect of the card.He's not a gamer, heavy video watcher, etc. So, I can't really comment on the real speeds and such, but for him he was able to take photos and videos and have them upload to Google Photos without delay or issue, use web-apps of all sorts, and multiple messaging and call applications. All of them seemed to work.The way you receive this is a bit tricky - not labeled super well - but easy enough to activate and get started with. Just use the QR code on the the little page of instructions and you'll be off and running.I was honestly surprised at how easy this was for him to use - he's not much of a techie at all. I highly recommend for your short trips to the UK - a great value for the money and something you can check off your list before you go!
alpha r10
Reviewed in the United States on May 16, 2025
Good overall. Price, ease of activation and porting though you have to activate the phone first and get a new number. Afterward you will fill out a form in your acct for porting. Took about 15 minutes to switch over from Spectrum Mobile. The website is user friendly and instruction straight forward. The account is also easy to navigate and they have a variety of packages for every type of users with good prices. Found a plan for $7 a month for a light use phone. Will see how the signal coverage is after some traveling.
JAVI
Reviewed in Spain on March 25, 2025
Usar la eSIM travSIM UK fue una decisión acertada para mantenerme conectado durante mi estancia en el Reino Unido. La comodidad de instalarla en minutos y contar con datos ilimitados y velocidades rápidas de 4G/5G hizo que mi viaje fuera mucho más fluido. Aquí te cuento mi experiencia:Puntos FuertesDatos Ilimitados en todo el Reino Unido: Esta eSIM ofrece una conexión sin restricciones, algo fundamental para quienes dependen de Google Maps, redes sociales, videollamadas o streaming mientras viajan. No hubo cortes ni disminuciones de velocidad, incluso después de un uso intensivo.Velocidades 4G/5G estables: La navegación fue fluida y rápida tanto en zonas urbanas como rurales, lo que me sorprendió gratamente. En ciudades grandes como Londres, Edimburgo o Manchester, la conexión alcanzó velocidades de 5G, y en áreas menos densas, la red 4G mantuvo una buena estabilidad.Fácil activación: La instalación de la eSIM fue rápida y sencilla. Solo tuve que escanear el código QR que me enviaron y, en pocos minutos, ya tenía la línea activa sin necesidad de cambiar físicamente la tarjeta SIM.30 días de validez: Perfecta para viajes de corta o media duración, ya que te asegura un mes completo de conexión sin preocuparte por recargas.Aspectos a Tener en CuentaSólo datos, sin llamadas ni SMS: Si necesitas hacer llamadas tradicionales o enviar mensajes de texto, esta eSIM no cubre esa función. Sin embargo, con apps como WhatsApp, Telegram o Skype puedes solucionar esto fácilmente usando los datos ilimitados.Compatibilidad con dispositivos eSIM: Antes de comprar, es importante asegurarse de que tu móvil es compatible con eSIM, ya que no todos los modelos la aceptan. En mi caso, funcionó perfectamente en un iPhone reciente, pero conviene verificarlo si tienes dudas.ConclusiónLa eSIM travSIM UK es una opción cómoda, rápida y sin complicaciones para quienes viajan al Reino Unido y necesitan datos ilimitados con velocidades 4G/5G. Su facilidad de activación y la cobertura estable la convierten en un aliado indispensable para mantenerte conectado durante todo el viaje. Si no te importa que no incluya llamadas ni SMS tradicionales, esta eSIM es una apuesta segura. 🌍📱
Oniman J
Reviewed in Belgium on April 30, 2025
Livraison rapide et efficace. La carte sim a parfaitement fonctionné. Super ! Merci
Barredbard
Reviewed in the United States on April 26, 2025
I am relatively new to the world of eSIMs, and did a lot of research prior to ordering this. I was pleased to find that an eSIM allows the user to keep his or her phone number. I travel to the UK at least once a year. Usually I inform T-Mobile beforehand, and add a plan to keep phone calls and data usage at their cheapest rates while I am there. With this eSIM, I will not have to.This product is a pamphlet with a QR code, in an envelope. I first checked to make sure that my Samsung Galaxy S23 even accepts eSIMs. It does. The instructions are to: 1) Access the SIM Card Manager by opening the Settings app, navigating to Connections, and selecting the SIM card manager; 2) 2. Add a Mobile Plan (eSIM) by tapping on 'Add mobile plan.' Options to add an eSIM will then be presented. 3) Select 'Add using QR code' and then scan the code with the phone's camera. 4) Add the provided activation code (it is included on the pamphlet).Given that once activated, the number of days begins to run, I would not activate this until the day before the trip. I will report when I learn any new information. My next trip to the UK is in the next few months, but I wanted to leave a review now, to relay my findings. I will update if anything changes.
Nicole J.
Reviewed in the United States on April 25, 2025
I had a member of my family who had to travel to the UK with only a few weeks’ notice. We were excited to find this travel SIM card to make it possible for him to remain in touch without having to figure out how to travel with a US sim. The trip got postponed, so we did not get to use it, but we are holding onto it since we expect the need to travel to the UK to happen again. I would have preferred to use the SIM card before reviewing, but there is a short period during which these reviews must be made. We look forward to having the opportunity to use it in the future and are encouraged by the positive reviews from others who have used it during travel.
WMR
Reviewed in the United States on April 2, 2025
I used this on a recent trip to London, and provisioning and setup could not have been any easier. I ran into a minor hiccup (my fault, I missed a step) and an email to support was answered promptly and solved the issue. Traveling from the US on a T-Mobile plan limits you in a lot of countries to about 256k of bandwidth, which is near useless anymore. With this sim, I’m seeing speeds ranging from 50Mb/sec to well over that, depending on my location, which is just fantastic.
Cheerioh
Reviewed in France on April 13, 2025
J'ai choisi le modèle avec carte Sim parce que j'ai la double Sim sur mon téléphone. Sinon on peut choisir d'utiliser une E-Sim.Attention, il faut télécharger une appli et activer la carte 5 jours minimum ensuite on l'active sur la période qu'on veut pour une durée d'un mois.En faisant ainsi, on peut appeler dans le pays et utiliser autant de data qu'on veut ce qui paraît indispensable pour se déplacer et regarder des vidéos le soir pour se détendre.Simple, par contre il faut maîtriser l'anglais.
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