samsung galaxy s20 ultra 5g cosmic black


  • Camera

    108MP Camera

  • Charging Times

    Fast-charge capable

  • Weight

    Weighs 220g

  • Screen size

    6.9 inch screen

Samsung Galaxy S20 Ultra 5G

Take unbelievable photos and videos with Samsung’s best ever smartphone camera. And review and edit your creations on the edge-to-edge 6.9 inch Infinity-O display. Charge the powerful, smart battery up fast when you need to – and even give your friends a boost by charging their phones up with yours.


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iThis device is 5G ready

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    Existing Customers

    Apple Watch is available to O2 Pay Monthly customers with an iPhone 6s or newer (Apple Watch Series 4 also compatible with iPhone 6).

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    Before you can get your watch, you'll need to buy an iPhone 6s or newer (Apple Watch Series 4 also compatible with iPhone 6), with an O2 Pay Monthly tariff. Once you've done that, come back and you can add your watch.

    Before you can get your watch, you'll need to buy an iPhone 6s or newer (Apple Watch Series 4 also compatible with iPhone 6), with an O2 Pay Monthly tariff. Once you've done that, come back and you can add your watch.


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    • s20 ultra 5g

      108MP wide camera

    • s20 ultra

      6.9 inch Infinity-O display

    • s20 ultra

      Huge battery and Super Fast Charging

    • 5G ready

      5G ready device

    • See features

      samsung galaxy s20 ultra 5g cosmic black

      Take awe-inspiring pictures

      This is Samsung’s best ever smartphone camera. Take photos fit for a gallery with the 108MP wide camera, 40MP front camera and 48MP telephoto camera. And no snap is ever out of reach the ultra wide camera and a 100x Space Zoom. Fancy yourself as a filmmaker? Take Hollywood-ready movies with an 8K resolution at a huge 24FPS. Capture every tiny expression with Pro Video Mode and get smoother video, even if you’re filming on the move, thanks to Super Steady 2.0. The Galaxy S20 Ultra 5G gives you so many new ways to get creative.

      s20 ultra

      Dive into the action

      Bingeing on the latest box set. Editing your holiday snaps. Watching videos on YouTube. Whatever you’re looking at on your phone, immerse yourself in the detail with the Galaxy S20 Ultra 5G’s edge-to-edge 6.9 inch Infinity-O display. With a smaller punch-hole opening, there’s nothing to come between you and your favourite shows, so you’ll really feel part of the action. And take control of everything you watch, with the freedom to customise colour, sharpness and saturation just the way you like it.

      s20 ultra

      Get a powerful battery and power up fast

      Listening to music. Taking photos. Finding directions. You rely on your phone all day, every day, so you need a decent battery. The Galaxy S20 Ultra 5G has a huge 5000 mAh* battery – and it’s smart, too, directing power away from apps you’re not using, to save juice. If you’re into gaming, the S20 Ultra 5G is a game changer. Explore new worlds on your commute and race round circuits from your sofa, with the Exynos 990 processor. When your battery does need a boost, it won’t take long, thanks to Super Fast Charging. And the S20 Ultra 5G will make you popular too – if your friend’s battery is low, just put it back to back with your phone for a quick power up.

      *Typical value tested under 3rd party conditions. Rated minimum capacity is 4855mAh.

      5G in a bubble on a blue background

      Hello 5G

      Our 5G network is now live in 23 towns and cities, with plans to roll out to 50 by summer 2020. The Samsung Galaxy S20 Ultra 5G is 5G ready. This means that, once O2 5G is available in your area, with this device, a new 5G tariff, and a 5G sim, you can benefit from a better and more reliable connection in extra busy places, delay-free downloads and buffer-free streaming. O2 5G will unlock new experiences and increase productivity around all the things that matter most, so you can transform your business and live life without wasting a moment.


      More about O2 5G.



    Get Unlimited Data

    Each year your Airtime Plan will be adjusted on your April bill by the RPI rate of inflation announced in the preceding Feb. See

    Unlimited Data available on O2 Custom Plans on selected handsets and selected SIM Only tariffs. Fair use policy applies, personal and non-commercial usage only. If you regularly use 650GB of data per month or tether 12 or more devices we may consider this to be non permitted use and have the right to move you to a more suitable plan. EU roaming capped at 20GB per month, chargeable at 0.4p per MB afterwards. For full terms see

    Custom plans

    RPI: Each year your Airtime Plan will be adjusted by the Retail Price Index (RPI) rate of inflation. Find out more at

    Direct purchases only. Pay the cash price for your device or spread the cost over 3 to 36 months (excludes dongles). The cost of your Device will be the same however long you choose. A minimum upfront cost may apply. You need a monthly rolling Airtime Plan for the length of your Device Plan. Pay off your Device Plan at any time without charge. You can then keep on your Airtime Plan, upgrade, or leave.

    UK calls/texts to standard UK landlines and mobiles and when roaming in our Europe Zone. Fair Usage policy applies. Special and out of bundle numbers chargeable. 4G phone required to access 4G. 4G available in selected areas.

    Change your airtime tariff after 30 days and then once every billing month during your minimum contract period, choosing from a selected family of tariffs. Some tariff extras are only available on the starting tariff, are not transferable, and may be lost if you change to an ineligible tariff. Devices are subject to availability.

    0% APR. Finance subject to status and credit checks, 18+, Direct Debit. Credit provided by Telefónica UK Ltd, SL1 4DX. Terms apply, see

    Get an extra £100 when you trade in your old phone with O2 Recycle

    Extra £100: Get an extra £100 when you (1) buy or pre-order the Samsung Galaxy S20 5G, S20+ 5G or S20 Ultra 5G directly from O2 on an: (i) O2 Refresh; (ii) Small Business; or (iii) Business Essentials tariff between 11 February and 28 April 2020 (devices available on pre-order between 11 Feb and 12 March) and (2) complete the order process to trade in your device with O2 Recycle between 11 February and 4 May 2020 which has a value of £5 or more on O2 Recycle; and (3) complete your trade in by returning your device to O2 Recycle so it is receieved by 18 May 2020. Extra £100 may be paid separately to standard O2 Recycle payment.

    Claim a free pair of Samsung Galaxy Buds+

    Free Gift with Purchase: Promoter: Samsung Electronics UK Limited.. You must be a resident of the UK, Isle of Man, Channel Islands or ROI. Claim a free pair of Samsung Galaxy Buds+ in white (“Gift”) when you pre-order a Samsung Galaxy S20+ 5G or Samsung Galaxy S20 Ultra 5G on any tariff ("Qualifying Purchase") direct from O2 between 00:01 on 11th February 2020 and 23:59 on 8th March 2020. Gift to be redeemed between 00:01 on 10th March 2020 – 12th April 2020 via Samsung by following instructions given on redemption voucher at time of pre-order. Subject to availability, while stocks last. No cash or alternatives. Damaged or lost redemption vouchers will not be replaced. Offer may be withdrawn or amended at any time. Change of mind policy applies to Qualifying Purchase and Gift as a bundle. If you return the Qualifying Purchase without the Gift, you will be charged the standard retail price for the Gift. Internet access is required. Terms apply, see


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    *Each year your Airtime Plan will be adjusted on your April bill by the RPI rate of inflation announced in the preceding Feb. See