12 month contract with Unlimited 5G Data. O2 Priority, Charge to mobile, Recommend a Friend and Earn Rewards, 5G-ready, O2 Wi-Fi Hotspots, No speed caps, Wi-Fi Calling, Apple Music Subscription (3 months), Free Disney+, Amazon Music, Prime, Audible, Cafeyn or McAfee Subscription (3 months), eSIM Compatible, Double Mobile Data for Virgin Media Customers, Boosted Broadband Speeds for Virgin Media Customers, Choose 3 months of Disney+ Standard, Amazon Prime, or more. (3 months). Happy with your phone? Save money with a Pay Monthly sim. You can even keep your number. Get VIP treatment, with freebies and prize draws on Priority. And stay connected, with free O2 Wifi when you're out and about. All our sim only plans are set up for O2 5G – just let us know if your device is 5G ready, and we’ll make sure you get a 5G sim.