Enable eSIM on Any Connectivity Devices with O2 and Switch eSIM Adapter

The Switch eSIM Adapter bridges eSIM and non-eSIM devices, enabling O2 users to seamlessly download, manage, and switch up to 15 eSIM profiles—providing global connectivity without needing to upgrade their devices.

About O2

O2’s eSIM service offers a digital alternative to traditional SIM cards, allowing you to connect to the O2 mobile network without needing a physical card. Simply download the eSIM profile directly to your compatible device for instant activation. O2 eSIMs support dual numbers, enabling seamless switching between personal and business lines, and make setup quicker and more secure—information can’t be stolen by removing a SIM. O2 eSIMs are ideal for travelers or anyone seeking hassle-free connectivity, with flexible plans, unlimited data, voice, and text options, and reliable coverage across the UK and Europe.

How Can Switch Help You Use O2 Without an eSIM Device?

Store up to 15 eSIM profiles with the Switch eSIM Adapter on your existing connectivity devices equipped with a SIM card slot, making it easy to leverage O2s global connectivity.

Modernize Your Device with eSIM Capabilities

• Simply insert the Switch eSIM Adapter into your device’s SIM card slot.
• Instantly enable eSIM functionality, connecting you seamlessly to global providers without upgrading your device.

Choose and Switch Networks Anytime

• Use Switch to search, compare, and choose the best eSIM profiles for different countries, regions, or global plans.
• Effortlessly purchase and download eSIM profiles directly to your device via the app.

Keep Multiple Numbers in One Place

• Avoid constantly changing physical SIM cards.
• Store and manage up to 15 eSIM profiles within the intuitive Switch app, switching between them in seconds.

Ready to Switch from Physical SIM to O2 eSIM Plans?

If your current device isn't eSIM-compatible, follow these simple steps to start using O2 with the Switch Adapter: