35GB EU and 50GB UK - O2 SUPER (EU, UK, Switzerland - 48 countries)
Unlimited calls within the country of residence / Unlimited incoming SMS / Number +44 / 30 Days
Package Details
Data
35GB
Validity
30 days
Speed
LTE/5G
Phone Number
Included
🏛️33countries included
Buy data that works all over the world, or buy data for an individual country instead.
Austria
Belgium
Bulgaria
Croatia
Denmark
Estonia
Finland
France
Germany
Greece
Hungary
Iceland
Ireland
Italy
LatviaInstant activation
QR code setup in minutes. Start using data immediately.
No roaming charges
Travel and stay connected without surprise bills.
Keep your SIM
Use eSIM for data while keeping your local number active.
24/7 support
Expert help whenever you need it.
Keep WhatsApp number
Call and message contacts without changing your number.
Fast reliable networks
Connect to the best local networks at your destination.
Get connected in 3 steps
Choose your package
Select data plan by country or region
Install your eSIM
Scan QR code from your email
Activate on arrival
Turn on eSIM and connect instantly
What travelers say about SuperSim
Real experiences from real customers
Used SuperSim in Japan. Worked instantly at the airport. No setup hassle. Stayed connected for two weeks without issues.
Sarah Chen
San Francisco, CA
Best eSIM I've tried. QR code scanned in seconds. Had data the moment I landed in Barcelona. Super fast speeds.
Marcus Rodriguez
Miami, FL
Traveled through 5 European countries. One eSIM, no problems. Saved me from buying local SIMs everywhere.
Emma Thompson
London, UK
Customer support helped me at 2am when I couldn't activate. Fixed in minutes. That's real 24/7 support.
David Park
Seoul, South Korea
Secure Payments Guaranteed
Your payment information is protected with bank-level encryption
Full refund available within 6 months. No questions asked.
Common questions
Everything you need to know about SuperSim
Manage eSIMs from your phone
Download the app for easy eSIM management, top-ups, and instant support
