O2 eSIM 300GB Data Only SIM

The O2 eSIM 300GB plan offers extensive data coverage across 48 European countries, including the UK and Switzerland. Users can access high-speed 5G connectivity where available, with reliable 4G coverage throughout supported regions.  

There is a 35GB roaming policy when used in Europe.

The plan features a straightforward activation process using a QR code for compatible devices, enabling immediate connectivity upon arrival in Europe. Mobile hotspot capabilities come standard at no extra cost, supporting data-intensive activities like streaming and video conferencing.  

With its generous 300GB data allocation, O2's eSIM delivers robust network performance enabling users to stream, browse, and download content on the go.