Samsung Galaxy S25 Ultra

Phone
Galaxy AI
6.9 inches
256GB, 512GB, 1TB
Storage: 256GB
Memory
Colour: Titanium Silverblue
Colour

Free next working day delivery*

Now in stock
£1339

Phone Payment Options

duration

    Secure payments with

    Klarna
    Upfront: £25

    Duration: 36 months

  1. £25 upfront payment. 36 monthly interest-free payments of £36.50, when you pay on time. Total loan amount payable £1314.

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giffgaff newbie? You’ll need to buy a £10 plan (or more) to go with your shiny new phone.

£10per month

25 GB

data

18 month

contract

20 GB

data

monthly rolling

no contract

£12per month

50 GB

data

18 month

contract

£15per month

100 GB

data

18 month

contract

50 GB

data

monthly rolling

no contract

£20per month

200 GB

data

18 month

contract

100 GB

data

monthly rolling

no contract

£25per month

Unlimited

data

18 month

contract

£35per month

Unlimited

data

monthly rolling

no contract

Why choose giffgaff?

  • 21-days no quibble returns
  • Unlocked to any network
  • Spread the cost with interest free Klarna

giffgaff Limited, 500 Brook Drive, Reading, RG2 6UU is authorised and regulated by the Financial Conduct Authority ("FCA") (FCA FRN 680957) and acts as a credit intermediary and not a lender, offering credit products provided exclusively by Klarna Financial Services UK Limited (company number 14290857), which is authorised and regulated by the FCA for carrying out regulated consumer credit activities (firm reference number 987889), and for the provision of payment services under the Payment Services Regulations 2017 (firm reference number 987816). Finance is only available to permanent UK residents aged 18+, subject to status, T&Cs and late fees apply. Terms and Conditions.

*Next working day applies to mainland UK. Other areas such as Northern Ireland can take up to 4 working days for delivery.

  • Specifications

    Key features:

    • Battery:

      5000 mAh Battery

    • Main Camera:

      200 MP, f/1.7, 24mm (wide)

    • RAM:

      12GB

  • Overview
    Samsung Galaxy S25 Ultra Samsung Gallaxy S25 Ultra
    • gaming processor
      Entertainment
      powerhouse
    • battery icon
      Long-lasting
      performance
    • camera icon
      Pro-grade
      lenses

    Superpowered
    Galaxy AI

    Cross App Action showcase with multiple appdivcations open at same time

    Press, talk, done

    You simply long press the side button and use a single voice command to effortlessly handle seamless actions across apps.1

    Google Circle Search used on dubai chocolate

    Circle it, find it.
    Hear it, find it.

    Just circle any video, images or text to get results immediately using Circle to Search. You can even search for ambient music - all without switching apps.2

    Now Brief showcase of appdivcations briefing

    A phone that anticipates your every need

    To help you seize every day, Now Brief gives you info like what's on your schedule, updates on your commute, and when new episodes of your favourite podcast are available.3

    Now Bar showcase of 4 application's widgets

    See what's happening
    at a glance

    The Now Bar keeps you up to speed with sport scores, which song is playing, your current location, and other helpful updates.4,5

    Level up your
    mobile experience

    Gaming showcasing battery capacity up to 5,000 mAh and Snapdragon 8 Elite processor Gaming showcasing battery capacity up to 5,000 mAh and Snapdragon 8 Elite processor
    40% increase in performance

    Improvement in
    Ray Tracking7

    18% increase in smoother gameplay

    Smoother
    game play7

    The Qualcomm® Snapdragon® 8 Elite for Galaxy processor8 is the most powerful ever on Galaxy & is customised for Galaxy AI. The battery won't slow you down either, with plenty of juice for streaming marathons.

    Big city lights with skyscrapers video

    Your favourite content looks bigger & better than ever

    It all looks incredible on the huge 6.9" Dynamic AMOLED 2X display and thanks to AI ProScaler, even lower quality pics and videos have razor-sharp detail and eye-popping colour.9

    Corning Gorilla Armor showcase on display

    Comfortably the best view in or out of the house

    Corning® Gorilla® Armor 210 with anti-reflective properties lets you stream in the sun, while a slim titanium frame with comfy rounded corners and IP68 protection shield against drops, dust and spills.11

    Make it epic,
    without the effort

    50MP

    5x Optical
    Zoom

    Distant subjects

    200MP

    Main Camera

    Stunning detail

    50MP

    Ultra Wide

    Epic landspaces

    Samsung Galaxy device on a galaxy background. Samsung Galaxy device on a galaxy background.
    galaxy blurry bg galaxy blurry bg

    10MP

    3x Optical Zoom

    Closer subjects

    12MP

    Front Camera

    Sharp Selfies

    Capture, view and edit like a pro

    The next gen ProVisual Engine is now boosted by the powerful processor - delivering Galaxy's most advanced creative studio experience yet.

    An image of a women with a dog

    Accurate & natural portraits

    The amazing Object-aware Engine recognises subjects and the ambient lighting to capture skin tones and textures exactly as your eyes see them.

    Night photography - a women with a dog

    Grainy night videos be gone

    Nightography Video offers incredible vividness thanks to 10-bit HDR - with its wide dynamic range. Noisy low-light footage is a thing of the past.

    Audio eraser analyzing sound

    Clarity & detail in every frame

    Galaxy Audio Eraser12 cleverly removes background noise for crystal clear sound, and Galaxy Log filming captures more data when you want to go all out and create your own signature look.

    A zoomed image of a flower showing the detailing of device camera

    Breathtaking shots,
    near or far

    The signature 200MP Main Camera is still a showstopper, and the new 50MP Ultra-Wide camera with improved Macro feature captures 4x more detailed images than Galaxy S24 Ultra.

    Reasons to
    love Galaxy

    Smart switch icon

    Smart Switch

    Transfer data from your old phone to a new Galaxy device in 3 easy steps.13

    Samsung health icon

    Samsung Health

    Monitor and enhance your wellbeing, and keep track of your fitness progress.14

    Knox Vault icon

    Knox Vault

    Stay connected, protected and productive with defence-grade security.

    Quick Share icon

    Samsung Wallet

    Your safe, fast-access, worry-free app for essentials including Samsung Pay.15

    Galaxy S Series Features

    Galaxy S23 Ultra, S24 Ultra and S25 Ultra models all have:
    AI Features
    Note Assist4
    Transcript Assist4
    Browsing Assist16
    Interpreter17
    5 Camera Setup
    200MP Main
    Ultra WIde
    Telephoto x2
    12MP Selfie
    Huge
    Battery
    5,000mAh6
    Water & Dust Resistance
    IP6811
    Enough Power To Share
    Wireless Power Share18
    Fast Wireless Charging
    15W19
    Super Fast Charging
    45W20

    What's
    new?

    1. Galaxy S23 Ultra

      Galaxy S23 Ultra

    2. Galaxy S24 Ultra

      Galaxy S24 Ultra

    3. Galaxy S25 Ultra

      Galaxy S25 Ultra

    Options21,22

    256GB | 512GB | 1TB

    256GB | 512GB | 1TB

    256GB | 512GB | 1TB

    Ultra Wide Camera

    12MP + 3MP Macro feature
    50MP + 12MP Macro feature

    Telephoto Cameras

    10MP & 10MP
    10MP & 50MP

    Camera AI

    -
    ProVisual Engine
    Next gen ProVisual Engine

    Processor

    Snapdragon® 8 Gen 2 for Galaxy8
    Snapdragon® 8 Gen 3 for Galaxy8
    Snapdragon® 8 Elite for Galaxy8

    Memory

    8GB | 12GB
    12GB

    Connectivity

    Wi-Fi 6E & Bluetooth 5.3
    Wi-Fi 7 & Bluetooth 5.3
    Wi-Fi 7 & Bluetooth 5.4

    Display

    6.8" - QHD+
    6.9" - QHD+

    Peak Display Brightness

    1,750 nits
    2,600 nits

    AI Upscaling

    -
    ProScaler - Upscales up to 40%9

    Tough Build

    Armour Aluminium
    Titanium Frame - Strongest

    Display Glass

    Corning® Gorilla® Glass Victus® 2
    Corning® Gorilla® Armor®10
    Corning® Gorilla® Armor 2®10

    AI Features

    Multimodal Search

    Circle to Search with Google23,24
    + Natural Language Search
    & Step by Step Guidance25

    Now Brief4

    -
    Included

    Now Bar4

    -
    Included

    Call Assist (inc Live Translate)26

    + 3rd party app support27 & Text Call
    + Call Transcript & Recording

    Writing Assist28

    -
    Included

    Photo Assist29

    Generative Edit & Edit Suggestion
    Enhanced

    Drawing Assist29

    Including Sketch to Image
    Enhanced

    1. Compatible with select languages only. Google account login and network connection required. Actual UI may differ.
    2. Circle to Search is a trademark of Google LLC. Sequences shortened and simulated. Results for illustrative purposes only. Service availability may vary by country, language, device model. Requires internet connection. Users may need to update Android and Google app to the latest version. Results may vary depending on visual or audio matches. Accuracy of results is not guaranteed. Works on compatible apps and surfaces, and with ambient music only. Will not identify music coming through headphones or if phone volume is off.
    3. Requires network connection and Samsung account login. Actual UI may differ.
    4. Requires network connection and Samsung account login.
    5. Google account login required. Supports 7 Google Sports: Football, Baseball, Basketball, American Football, Cricket, Ice Hockey and Rugby.
    6. Typical value tested under third-party laboratory conditions. Rated (minimum) capacity is 4,855mAh. Actual battery life may vary depending on network environment, usage patterns and other factors.
    7. Compared to Galaxy S24 Series.
    8. Snapdragon is a product of Qualcomm Technologies Inc. and/or its subsidiaries. Snapdragon is a trademark or registered trademark of Qualcomm Incorporated.
    9. Image quality can be enhanced up to QHD+, depending on the screen resolution setting of the device.
    10. Used on the display only. Corning® Gorilla® Glass Victus® 2 is used on the back of the device.
    11. IP68 rating based on lab test conditions for submersion in up to 1.5 meters of freshwater for up to 30 minutes. Not advised for beach or pool use.
    12. Results may vary per video depending on how sounds present in the video. Samsung Account login required. Six types of sound can be detected; voices, music, wind, nature, crowd and noise. The actual sound detection may vary depending on audio source, and the condition of the video. Accuracy of results is not guaranteed.
    13. Wired transfers require at least Android 4.3. If you do not have the required USB cable/connector for a wired transfer to Galaxy, you can also use wireless transfer options. iOS 5 or older Android OS must use wireless transfer options. Open Smart Switch Mobile in "Settings" on your new Galaxy phone or download Smart Switch Mobile app from Galaxy Store. Data and content available for transfer may vary by OS. The data of the Galaxy device is backed up and restored to the storage device. Use PC backup through Smart Switch PC or SD card backup function of Smart Switch Mobile.
    14. Some content may incur additional charges. Samsung Account log in is required for Samsung Health.
    15. Available with participating networks, banks and merchants on selected devices, on NFC terminals.
    16. Available to use on Samsung Internet. Requires network connection and Samsung account login. Summarise feature may be limited or unavailable on certain paid websites. Character limit applies. Language pack download may be required. Accuracy of results not guaranteed.
    17. Samsung account login is required. Certain languages may require language pack download. Service availability may vary by language. Accuracy of results is not guaranteed. Available in 20 languages from launch.
    18. Limited to wireless charge compatible (QI standard) devices only. If battery power is lower than 30% Wireless PowerShare may not function. May not work with certain accessories, covers, other brand devices or some Samsung wearables. Wireless PowerShare may affect call reception or data services depending on your network environment.
    19. 15W wireless travel adapter sold separately. Wireless charger requires power connection. Charging speeds may vary by device. Actual charging speed may vary depending on usage, charging conditions and other factors.
    20. 45W Super Fast Charging is only available when connected to a single device. Travel adapter sold separately.
    21. Colour availability may vary by retailers.
    22. User memory is less than the total memory due to storage of the operating system & software used to operate the device features.
    23. Requires network connection. Availability of search functions and its supported apps may vary by country, language and device. Results may vary depending on visual matches.
    24. Subject to One UI 6.1 update.
    25. Google account login required. Requires network connection. Availability of search functions and its supported apps may vary by country, language and device.
    26. Samsung account login is required. Certain languages may require language pack download. Service availability may vary by language. Accuracy of results is not guaranteed.
    27. Subject to One UI 6.1.1 update.
    28. Samsung account login is required. Requires a network connection. Must meet length requirements to activate feature. Service availability may vary by language. Accuracy of results is not guaranteed.
    29. Requires a network connection and Samsung account login. A visible watermark is overlaid on the saved image to indicate it was generated by Galaxy AI. Accuracy of output not guaranteed.

  • Returns and Warranty

    21 daysto change your mind

    No quibble returns

    Get time to check out your new phone, with no risk. If it's not the right one for you, return it to us within 21 days of delivery and we'll refund you, easy as pie. How to return a giffgaff phone

    24 monthswarranty

    What does our warranty cover?

    • Faulty software
    • Internal parts gone haywire
    • Battery issues
    • Accessories included with your phone

    What isn't covered?

    • Broken screens
    • Water damage
    • Rooting or unauthorised modification of software