Samsung Galaxy S23 Ultra

At a glance. The Samsung Galaxy S23 Ultra is currently sold on contract by O2, on O2. It is available in 2 storage sizes (256GB, 512GB); larger sizes add to the price, so pick the smallest you can live with. The cheapest deal by effective monthly cost is £35.67 a month with £30.00 upfront over 36 months on O2, which works out at about £28.50 a month all in. If you would rather buy it outright, the lowest SIM-free price we track is £449.99 from O2 — worth comparing against the contracts above, paired with a SIM-only plan. 48 of the deals are for refurbished handsets, which are usually noticeably cheaper; use the condition filter to compare new and refurbished separately. Key specs: 6.8" dynamic amoled 2x, a Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) chip, IP68 water resistance.