An eSIM is a digital SIM card that allows you to connect to a mobile network without using a physical SIM card. Instead of inserting a SIM, you can download a mobile data plan directly to your phone using a QR code. This makes eSIMs especially useful for travellers who want instant mobile data when visiting another country.
How does an eSIM work?
An eSIM works by storing your mobile network information digitally on your device. When you purchase an eSIM plan, you receive a QR code that you scan using your phone. This installs the data plan onto your device and connects you to a local network without needing to swap physical SIM cards.
What are the benefits of using an eSIM?
✔ No need to carry or swap physical SIM cards
✔ Instant activation with QR code
✔ Easy to switch between networks
✔ Ideal for international travel
✔ Often cheaper than roaming charges
Is an eSIM better than a physical SIM?
For travellers, eSIMs are often more convenient than physical SIM cards because they can be activated instantly and do not require visiting a store. However, physical SIM cards may still be useful in some situations, especially for long-term local use.
Best eSIM options for travellers
If you’re planning a trip, you can compare the best eSIM providers for different destinations using our guides below.
- Best eSIM for Japan
- Best eSIM for Thailand
- Best eSIM for the USA
- Best eSIM for Italy
- Best eSIM for Spain
FAQ about eSIMs
Do all phones support eSIM?
Most modern smartphones support eSIM technology, including newer iPhone, Samsung and Google Pixel models. However, it is important to check your device compatibility before purchasing an eSIM plan.