24 month contract with 400GB 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. The Samsung Galaxy S25 comes with a 6.2 inch touchscreen with 416PPI. It packs a 50-megapixel rear camera and a 12-megapixel selfie-camera. This is all powered by the Qualcomm SM8650 chipset and 12GB of RAM and 4000mAh battery.