Our Samsung Galaxy S25 Series deals

Explore the Samsung Galaxy S25 Series

Find an incredible deal on the new Samsung Galaxy S25 AI, Galaxy S25+ AI and Galaxy S25 Ultra AI, and discover the power of new, intuitive Galaxy AI.

Trade in and save up to £807

Samsung Galaxy S24 FE front and back in blue

Samsung Galaxy S25 Ultra AI

With elite camera hardware and next-gen AI, Galaxy S25 Ultra AI makes creating professional-grade photography easier than ever before.

Trade in and save up to £708

Samsung Galaxy S24 Ultra front and back in grey

Samsung Galaxy S25+ AI

With a new, ultra-fast processor and an ultra-bright super-crisp display, gaming and streaming are silky-smooth on Samsung Galaxy S25+ AI.

Trade in and save up to £591

Samsung Galaxy S25 AI

With super-intuitive Galaxy AI taking care of routine tasks, Samsung Galaxy S25 AI helps you focus on what matters most.

Existing Customer Offers

Save up to 20% on additional plans

Bring your family over to Three and save. With Connect Together, you can get up to 20% off additional phone, SIM, and broadband plans.

Pick your perfect upgrade

Ready for a new phone? Browse the latest devices and upgrade offers. And save even more when you trade-in your old phone.

Compare Samsung Galaxy S25 models

Not sure which is the ideal choice? Let’s compare the key specs of Samsung Galaxy S25 models to see which one will suit you best.

More Samsung deals

We’ve got a wide Samsung range to choose from, so let’s find the best plan for you. Whether you’re after the freshest features or a model from an older series, check out our Samsung latest deals and Samsung bundle deals.

Compare Samsung phones

S23 Ultra rear view graphic

Samsung Galaxy S25 Ultra AI

Galaxy AI
Galaxy AI learns your routines and suggests ways to help out, like turning on hotspot when you get in your car. Now Brief gives you helpful info, like the weather, what’s on your schedule, when your favourite podcast has new episodes. Now Bar keeps you up to speed with sport scores, what’s playing, and more, without you unlocking your device.

Camera
Incredible hardware and AI-powered software makes taking professional pics easier than ever. Capture every nuance with the 200MP main camera, epic 50MP Ultra-Wide lens, and improved Macro camera. And with ProVisual Engine and Nightography, you get accurate true-life colours and tones every time.

Design and display
Galaxy S25 Ultra AI has a slimmer titanium frame with rounded corners, so it's super-comfy to hold. And on the new 6.9-in Dynamic AMOLED 2X display, gaming and streaming are on another level with razor-sharp resolution and eye-popping colour.

Performance and storage
Galaxy S25 Ultra AI has the fastest ever processor on a Galaxy smartphone. From multitasking to gaming, nothing’s too hardcore for the Qualcomm Snapdragon Elite 8 chipset, from slick cross-app multitasking to lifelike gaming. It’s available with either 256GB or 512GB of storage.

Battery and charging
With better battery life than Galaxy S24 Ultra, you can do it all for longer. The S25 Ultra AI has a larger 5000 mAh capacity, along with 45W Super Fast Charging and Fast Wireless Charging.

S23 and S23+ rear view graphic

Samsung Galaxy S25+ AI and S25 AI

Galaxy AI
Galaxy AI works across all your apps – just press and hold the power button and ask for what you need. Seen something tasty online? Just ask your phone how to cook it. Want to see all your family holiday photos? Ask your phone to gather them all together for you.

Camera
Studio-quality shots are made simple. Next-gen ProVisual Engine brings AI smarts to your pics, capturing natural skin tones and true-to-life colours for amazing selfies and group shots. The hardware’s just as impressive, with a 50MP main camera, 12MP Ultra-Wide lens, 10MP telephoto lens and 12MP selfie camera.

Design and display
Everything looks incredible on the sharp, vibrant Dynamic AMOLED 2X display, which has anti-reflective properties to give you a clear view in bright sunlight. AI ProScaler boosts every detail so even lower-quality pictures and videos are crisp and bright.

Performance and storage
The Qualcomm Snapdragon Elite 8 processor is Galaxy’s fastest ever, giving you super-slick gaming and multitasking. Games are incredibly life-like with up to 18% smoother gameplay when compared to the Galaxy S24 Series. Galaxy S25 AI comes with 128GB, 256GB, or 512GB of storage, while S25+ AI comes with either 256GB, or 512GB.

Battery and charging
You get solid battery life with plenty of juice for streaming marathons. The Samsung Galaxy S25 AI has a 4000mAh battery with 25W Super-Fast Charging. The Galaxy S25+ AI comes with a 4900mAh battery and 45W Super-Fast Charging.

Other products from Samsung

Samsung series on Three

Frequently asked questions

The Samsung Galaxy S25, Samsung Galaxy S25+, and Samsung Galaxy S25 Ultra were announced in January 2025 and scheduled for release in February. 

Galaxy AI is super-intuitive and more epic than ever before. Like having your own PA, it works across multiple apps, performing complex tasks with one simple voice command. All you have to do is press and hold the power button. 

The new Qualcomm Snapdragon Elite 9 processor is the fastest ever on a Galaxy AI phone. It handles life-like gaming and super-slick multitasking like a breeze. Streaming is positively cinematic on the big, bright, sharp display – and it can do it all for longer with better battery life than the Galaxy S24 Series

And if you want professional-level pics and videos, the Galaxy S25 Series makes it simple. The AI-powered Next Gen ProVisual Engine captures natural skin tones, textures, and true-to-life colours, so your selfies never looked more stunning. Filming in low-light? Nightography videos are improved, with less visual noise to give every frame more clarity.  

No, phones in the Samsung Galaxy S25 Series do not have an SD card slot that allows you to add more storage memory. 

The Samsung S25 has a 6.2 inch screen and its dimensions are 146.9 x 70.5 x 7.2 mm.The Samsung S25+ has a 6.7 inch screen and its dimensions are 158.4 x 75.8 x 7.3 mm.The Samsung S25 Ultra has a 6.9 inch screen and its dimensions are 162.8 x 77.6 x 8.2 mm.

The Galaxy S25 has a 4000mAh battery.
The Galaxy S25+ has a 4900mAh battery.
The Galaxy S25 Ultra has a 5000mAh battery. 

All three phones in the Samsung Galaxy S25 range comes with 12GB of RAM. 

The chipset used across the Samsung Galaxy S25 Series is the Qualcomm Snapdragon Elite 8 processor. It’s Galaxy’s fastest ever processor, giving you super-slick gaming, streaming, multitasking, and more. 

Yes, all the phones in the Samsung Galaxy S25 Series are dual SIM compatible. You can use two physical SIMs, or a physical SIM and an eSIM.

Why choose Samsung on Three?

Based on analysis by Ookla® of Speedtest Intelligence® data for Q3-Q4 2024. Ookla trademarks used under license and reprinted with permission.