There's a multitude of reasons why Samsung Galaxy S21 Ultra deals have been so popular since the handset's release.
For starters, we rate it as the world's very best phone. And the fact that there was no new Note series release in 2021 means that the Ultra S21 really is the go-to option for anybody wanting an all-singing all-dancing big-screen Samsung smartphone.
The battery comes in at a mammoth 5000mAh, the screen at 6.8-inches with a WQHD AMOLED display, and the Samsung Galaxy S21 Ultra also comes packed with the new Exynos 2100 processor - Samsung's latest, greatest chip set.
Top of the line specs are what we've come to expect from Galaxy Ultra devices - Samsung's leading range. However, we didn't expect Samsung's decision to allow S pen stylus compatibility with the device - something that was previously only available on the Note series.
Outside that, Samsung Galaxy S21 Ultra deals offer high-end camera specs, a stylish design and, of course, a price tag to match. That's why we've listed the best Ultra S21 tariffs below.
Or for something more affordable, head on over to our Samsung Galaxy S21 deals and the larger Galaxy S21 Plus deals guides.
Samsung Galaxy S21 Ultra deals comparison:






Samsung Galaxy S21 Ultra deals: trade-in an old device
As one of Samsung's most expensive handsets ever, the S21 Ultra is going to cost you a pretty hefty amount. With that in mind, it could be worth trading in your old phone to help save on the costs.
One of the most popular ones is Sellmymobile (opens in new tab). It compares different recycling sites, listing their TrustPilot scores, how long it will take for you to get paid, how you send your phone and of course, how much you'll get.
In terms of what you can earn, taking the Samsung Galaxy S9 as an example, you can get up to £126 for a working device or £41 for a completely broken device. Or, if you have a Google Pixel 3, you could earn up to £118.
See TechRadar's how do I sell my phone guide to find out more
Head to Sellmymobile.com to see how much you can get for your old phone (opens in new tab)
Samsung Galaxy S21 Ultra review:
The Samsung Galaxy S21 Ultra is Samsung's latest and most powerful smartphone. With that in mind, you'd expect some truly impressive specs. But, while this device does deliver, it does so at a steep financial cost.
Everything about the S21 Ultra is big - it's battery capacity has shot up to 5000mAh to help manage all of its power, the screen sits at 6-8-inches with a WQHD AMOLED display, and it features a curved display.
Just like the other two S21 handsets, the S21 Ultra makes use of Samsung's new Exynos 2100 processor, offering tremendous power in everything from the camera through to the operating system and into gaming and apps.
And just like Samsung's Note devices, the Samsung S21 Ultra allows for S pen functionality - an add-on you'll have to pay for separately.
Read our full Samsung Galaxy S21 Ultra review
Samsung Galaxy S21 Ultra deals: FAQ
Is the Samsung Galaxy S21 Ultra worth its large price tag?
While the Plus and regular S21 took some drops in specs to lower the price tag, the S21 Ultra is in every single way a better handset than its predecessor.
The S21 Ultra has a better screen, an impressive camera, complete with a huge list of upgrades and most importantly, the S21 Ultra uses the new Exynos 2100 processor.
While it is both one of the best smartphones on the market right now and Samsung's best handset to date, it is certainly an expensive handset. If price isn't a factor that worries you, the S21 Ultra is the perfect option from Android.
What comes in the Samsung Galaxy S21 Ultra box?
Saw the news that Apple had removed headphones and charging blocks? Well unfortunately, Samsung has followed suit, cutting the parts of the box down significantly.
Now, you'll get the phone itself, the SIM card tool, instructions and a USB-C cable. Still need headphones and a charger? You can buy this at a reduced price from Samsung.
Or, you can find them elsewhere with a number of brands offering impressive options to compete like Anker for chargers and Sony for headphones.
Is the Samsung Galaxy S21 Ultra the best handset from Samsung?
Unlike the Samsung Galaxy S21 and S21 Plus, the Ultra show's no real downgrades over last year. In fact, it has even managed to reduce the price of the S21 Ultra, offering arguably Samsung's best flagship package yet.
It improved on the S20 Ultra's battery, greatly improved the camera experience and hopefully resolved focus issues the S20 Ultra faced and brought Samsung up to a 2021 processor - the Exynos 2100.
On top of all of that, Samsung has now brought in compatibility for the S pen with the S21 Ultra...but you'll have to pay for it separately. The only noticeable downgrade with this phone is its lack of expandable storage.
How does the Samsung S21 Ultra compare to the iPhone 13 Pro Max?
Samsung is set to launch the Galaxy S22 Ultra early next year but in the meantime, how does this device compare to Apple's latest and greatest - the iPhone 13 Pro Max.
This is a tricky comparison. Samsung and Apple launch their phones so far apart that its hard to know which to line up against the other. Technically, both the S21 Ultra and iPhone 13 Pro Max were both launched in 2021...but at opposite ends of the year.
Despite this, both phones are extremely powerful and cost very similar prices. Both offer some of the best camera performances in the world (Samsung with more feautres and Apple with arguably higher quality) and, both sneak in super-powerful processors and batteries.
Realistically, what this decision comes down to most is which operating system you would prefer. Do you like Apple's IOS or Samsung's Android adaption?
Samsung Galaxy S21 Ultra or Samsung Galaxy S20 Ultra?
This debate comes down to just one question: do you care more about performance or price? Considering the S20 Ultra has seen considerable drops in price lately, it is the obvious choice for those put off by the S21 Ultra's huge price tag.
However, in pretty much every single category, the S21 Ultra is a better phone, offering a well-rounded performance and a powerful camera set-up with a brand new processor.
- Compare these to the newer iPhone 13 Pro Max deals
- See all of the best SIM only deals
- Check out our list of the best iPhone deals right now