24 month contract with 100GB 5G Data. O2 Priority, Charge to mobile, Recommend a Friend and Earn Rewards, O2 Wi-Fi Hotspots, No speed caps, Wi-Fi Calling, eSIM Compatible. iPhone 12 has superfast 5G, A14 Bionic, the fastest chip in a smartphone, 6.1-inch display built with Gorilla Glass and an aluminium frame. The scratch resistant glass with oleophobic coating also provides extra protection. The Super Retina XDR display and a camera system that takes low-light photography to the next level. The sound is also high quality with stereo speakers.