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TechRadar
techradar.com › phones › samsung galaxy phones
Samsung Galaxy S21 Ultra review: a top phone that's been replaced | TechRadar
Samsung Galaxy S21 Ultra review
This was Samsung’s best smartphone of 2021 and we’ve tested it thoroughly. With a 108MP camera and 100x zoom, this is the Android to get if you want lots of close-ups. The Galaxy S21 Ultra is as good as it looks
Rating: 4.5 ​
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TechRadar
techradar.com › phones › samsung galaxy phones
Samsung Galaxy S21 review: no longer on top, but still a great choice | TechRadar
Samsung Galaxy S21 review
If you want the best of the best, look to the Galaxy S21 Ultra; but if you want a handset that’s cheaper than the Galaxy S20 was at launch, with a whole load of premium features, the Galaxy S21 is a delight to use, and will do you proud. ... Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you're buying the best. Find out more about how we test. It's an odd handset on paper, but having spent a week working on this Samsung ... Not the best of the best, but Samsung's S21 is fantastically put together
Rating: 4 ​
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TechRadar
techradar.com › phones › samsung galaxy phones
The Samsung Galaxy S21 Ultra is the best smartphone right now | TechRadar
January 22, 2021 - The Samsung Galaxy S21 Ultra is a premium tier handset with our review particularly highlighting a screen that wowed us, a phenomenal camera experience and a mesmerizing design.
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TechSpot
techspot.com › products › smartphones › samsung-sm-g998-galaxy-s21-ultra.228410
Samsung Galaxy S21 Ultra Pros and Cons | TechSpot
It wowed us with a big screen, five cameras and the best zoom on any readily available Android phone. But, while it’s cheaper than last year’s ‘Ultra’ phone, it’s pricey, and it doesn’t come with a microSD card slot or included charger.
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Tech Advisor
techadvisor.com › home › reviews › phone reviews
Samsung Galaxy S21 Ultra Review: The Best Yet - Tech Advisor
Samsung Galaxy S21 Ultra review
The Galaxy S21 Ultra is designed to represent the best of Samsung's expertise; spanning design, performance, camera and more. That all doesn't come cheap, though There are all sorts of concessions that you can pay to a phone depending on factors like price or its standing within a brand's portfolio; when it comes to the Pro Maxes and Ultras of this world, however, there's far less room for error. Just as hypercars have emerged as a class above supercars, so too have phones like the S21 Ultra in the flagship space - billed as uncompromising devices that can handle anything a user dares to thro
Rating: 4.5 ​
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Counterpoint
counterpointresearch.com › en › insights › samsung-galaxy-s21-ultra-long-term-review
Samsung Galaxy S21 Ultra Long-term Review: Smooth Performance, Refined Software Offer Best Android Experience
The Samsung Galaxy S21 Ultra 5G is the first S-series smartphone to support the S Pen stylus. The smartphone has a 108MP primary camera with 100X space zoom capabilities. It flaunts a stunning WQHD+ Dynamic AMOLED display with refresh rate between 10Hz and 120Hz depending on the on-screen content.
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TechRadar
techradar.com › audio › audio streaming
Samsung S21 Ultra verdict and Xbox Live Gold: Noise Cancelling podcast episode 49 | TechRadar
January 29, 2021 - In the news section, we're talking about the Xbox Gold Live u-turn, how the iPhone 12 can interfere with pacemakers and a Resident Evil themed coat that costs $1,200. We also blitz through all the tech news, and discuss the Samsung Galaxy S21 Ultra review.
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Samsung
samsung.com › home › smartphones › galaxy s21 ultra 5g › reviews
Reviews | Samsung Galaxy S21 Ultra 5G | Samsung Levant
Read the latest Samsung Galaxy S21 Ultra 5G customer reviews and ratings. Write your own reviews on the official Samsung website.
Find elsewhere
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Tom's Guide
tomsguide.com › phones › android phones › samsung phones
Samsung Galaxy S21 Ultra review | Tom's Guide
Samsung Galaxy S21 Ultra review
The Galaxy S21 Ultra had been the best Android phone yet with dual zoom lenses, a stellar display and excellent battery life. But that was before the Galaxy S22 Ultra debuted. The Galaxy S21 Ultra was the best Android phone yet — until the Galaxy S22 Ultra's arrival
Rating: 4.5 ​
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Reddit
reddit.com › r/samsung › my long-term review of samsung s21 ultra. which new phone would be better for my usage?
r/samsung on Reddit: My long-term review of Samsung S21 Ultra. Which new phone would be better for my usage?
October 9, 2024 -

I got my Samsung Galaxy S21 Ultra 512 GB with 16 GB RAM back in October 2021, and since then, I’ve truly made the most of it! 📱

Photo/Video Backup

With 76,000 - 76,500 photos and videos (excluding screenshots and WhatsApp images), it’s time for another backup on my HDD, as my Google Photos storage is maxed out. 😅 I back up twice a year, and considering an average of 70k photos per backup, that’s around 140k photos per year. Over the past 3 years, I’ve easily accumulated around 420k photos/videos. Capturing memories is definitely my forte! 📸✨

Battery Life 🔋

Flagship phones come with bigger batteries, and mine’s no exception! I charge it to 100% in the morning, and even with heavy usage, it lasts until evening. With moderate use, it powers through till night. It’s like having a mini power station in my pocket! 💪

Multi-Window Apps 💻📲

I’m a multitasking pro—I use two apps almost every day, like Mail and WhatsApp simultaneously. The split-screen feature has become a daily companion!

Image/Text Conversion

From day one, I’ve used the feature to capture and convert images or screenshots into text. This has made note-taking and information extraction a breeze! 📝🔍

Reverse Wireless Charging

This is where my phone truly stands out! 🔄 People are always amazed when I let them place their iPhones on my phone’s back to give them that much-needed 10% charge boost. 😅 I’ve saved the day for countless friends and strangers with this nifty feature!

Telephoto Lens

I’ve captured thousands of photos of the Moon, and I’m still not done. That 100x zoom lens is simply phenomenal! 🌕📷

8K/4K Video Recording 🎥

Whether it’s 8K or 4K, I’ve pushed the limits with the video capabilities. The quality is insane, and I’ve loved every moment spent shooting high-definition videos.

Professional Photography

I’ve even used the 108MP main camera for professional car photography and pre-wedding photoshoots. The results? Stunning! 🚗💍📸

Durability

Despite being dropped countless times (I’ve lost count!), it only has a few minor scratches. Talk about resilience! 🔧💥

Bixby & Desktop Mode

With Bixby, my phone transforms into a desktop. I can access all my phone apps on my laptop seamlessly. It’s been a game-changer since day one! 💻🤖

Unique Features

Edge Panel, Good Lock, One-Hand Operation, S Pen support—I've explored A-Z of this device’s capabilities.

I’ve truly pushed this phone to its limits over the past 4 years. Whether it’s photography, multitasking, or unique features, I’ve used it all.

I guess that makes me the perfect flagship phone user 😅🫠 This phone was worth every penny! 💯

I am thinking about getting a new phone. Which phone would be best suitable for my usage? Thank you.

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GSMArena
gsmarena.com › samsung_galaxy_s21_ultra_5g-reviews-10596.php
Samsung Galaxy S21 Ultra 5G - User opinions and reviews
GOLD TECH 237, 08 Dec 2025Great and excellent device any one complaining about the S21 Ultra 5G u have but the exynos ve...
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TechRadar
techradar.com › pro › phone & communications
Mobile Industry Awards 2021: Samsung Galaxy S21 Ultra is our Phone of the Year | TechRadar
September 30, 2021 - TechRadar has dubbed the Samsung Galaxy S21 Ultra as “the most powerful Android around, wowing consumers and industry figures alike with its incredible camera, detailed screen and huge battery."
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YouTube
youtube.com › watch
Samsung Galaxy S21 Review - YouTube
The Galaxy S21 isn’t the star of Samsung’s S series in 2021, but it’s a solid smartphone choice with an impressive camera, powerful internals and solid batte...
Published   January 21, 2021
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PCMAG
pcmag.com › home › reviews › mobile phones
Samsung Galaxy S21 Ultra Review | PCMag
Samsung Galaxy S21 Ultra
The Galaxy S21 Ultra delivers a high-quality superzoom camera that truly works, supports Samsung's excellent S Pen, and sets the bar for smartphone features in 2021. A superzoom camera phone with future-proof connectivity
Rating: 4.5 ​
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Android Authority
androidauthority.com › home › mobile › android phones › samsung galaxy s21 ultra review: ultra refined
Samsung Galaxy S21 Ultra review: Ultra refined - Android Authority
Galaxy S21 Ultra
Samsung's 2021 super-flagship is a powerhouse, but is it worth the high price tag? Find out in our Samsung Galaxy S21 Ultra review. Samsung's Galaxy S21 Ultra is a powerhouse smartphone, but can it fix the legacy burdened by its predecessor?
Rating: 9/10 ​
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TechRadar
techradar.com › phones › samsung galaxy phones
Samsung Galaxy S21 Ultra vs Galaxy S21 Plus vs Galaxy S21: which is for you? | TechRadar
July 19, 2021 - So there’s a big jump in size from the S21 to the S21 Plus, but that reflects the big jump in screen size, while the Galaxy S21 Ultra only has a slightly larger screen (and also therefore battery) than the Samsung Galaxy S21 Plus. The Galaxy S21 Plus seems to last the longest in our tests. (Image credit: Future) In our reviews, we found that all three phones could comfortably last a day in most use cases, though using a 120Hz refresh rate, and - in the case of the S21 Ultra - a QHD+ resolution, had a noticeable impact.
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YouTube
youtube.com › watch
This Was Peak Ultra - Samsung S21 Ultra - Worth it in 2025? (Real World Review) - YouTube
Today I will be reviewing the Samsung Galaxy S21 Ultra. This really felt like the peak of the S line of Samsung phones, especially being the last S series Sa...
Published   May 25, 2025
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TechRadar
techradar.com › phones
Sony Xperia 1 III vs Samsung Galaxy S21 Ultra: for those who want everything | TechRadar
July 15, 2021 - This also enables the provision of front-firing stereo speakers, while the Samsung has one that’s downward-firing. Add in a 3.5mm headphone jack, and the Sony has the more complete audio showing of the two. We also approve of Sony’s decision to ditch shininess and embrace a frosted glass finish to the rear panel. In that way, at least, these two phones are on the same page, as the Galaxy S21 Ultra also looks great in stealthy matte black.
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WhistleOut
whistleout.com › cell phone plans › articles › guides
Samsung Galaxy S21 Ultra Review: Is the S21 Ultra Still Worth Buying? | WhistleOut
Alex Choros
The Samsung S21, originally released in 2021, remains a solid smartphone with an impressive camera and a quality display, but its battery life still looks poor compared to other devices. With the Galaxy S21 Ultra, Samsung have made a phone that feels deserving of the Ultra moniker and expensive asking price—for the most part. Great cameras and a lovely display are let down by just okay battery life. It's not a deal-breaker, but it would have been nice to see the Galaxy S21 Ultra last just a little longer per charge. The Samsung Galaxy S21 Ultra was released in 2021 as the premium Samsung flags
Rating: 80/100 ​