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TechSpot
techspot.com › products › smartphones › samsung-sm-g998-galaxy-s21-ultra.228410
Samsung Galaxy S21 Ultra Pros and Cons | TechSpot
The Samsung Galaxy S21 Ultra is about as capable as a smartphone can get without folding in half or rolling up (and those new form factors often have trade-offs). It has a high price, but it's justified compared to past Ultra models.
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Medium
lp9.medium.com › my-honest-review-on-the-samsung-galaxy-s21-ultra-5g-830ab7b3e0a9
My (honest) review on the Samsung Galaxy S21 Ultra 5G | by LP | Medium
January 30, 2022 - And, by turning on the screen with the power button, you are inducing mechanical stress on it, which makes it an easy target as the first thing to break in the phone. There is workaround for this: the Galaxy S21 Ultra comes with a feature that allows you to turn on/off the screen by simply double-tapping and I found this very cool and convenient. ... The Samsung S21 Ultra offers an in-screen fingerprint sensor.
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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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GSMArena
gsmarena.com › samsung_galaxy_s21_ultra-review-2219p9.php
Samsung Galaxy S21 Ultra 5G review: Alternatives, the verdict, pros and cons
The new Galaxy Ultra impresses ... those novelties - the new 120Hz Quad HD OLED and its S-Pen support, and the versatile quad-camera on the back that relies on real optics instead of some hybrid trickery....
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Reddit
reddit.com › r/android › samsung galaxy s21 ultra long-term review
r/Android on Reddit: Samsung Galaxy S21 Ultra long-term review
June 12, 2021 - Hard to claim Ultra with aluminum. ... Have had mine for two weeks and the features are almost too much...Wow! Fits well in my pocket and just a tad heavier than my previous phone, but no regrest whatsoever. I just wish it had a Bluetooth-shutter control so I could use a Bluetooth remote to fire off the camera from a distance. ... Taken with a phone. (Samsung Galaxy S21 Ultra)
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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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Smartprix
smartprix.com › news › reviews › samsung galaxy s21 ultra review (exynos 2100 variant)
Samsung Galaxy S21 Ultra Review with Pros and Cons- Smartprix
June 2, 2021 - The Galaxy S21 Ultra has better thermal management and runs a lot cooler than the Galaxy Note 20 Ultra. The Galaxy S21 Ultra is unsurprisingly backed by cutting edge connectivity options.
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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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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.

Find elsewhere
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GSMArena
gsmarena.com › samsung_galaxy_s21_ultra_5g-reviews-10596.php
Samsung Galaxy S21 Ultra 5G - User opinions and reviews
jeffM, 27 Oct 2025Easily the S21 Ultra. It's a beastYessss it is a beast. S21 Ultra is the best phone ever had it since release battery and all use it everyday it's perfectly fine! ... Sam799, 26 Jul 2025I don't like the MIUI, it's nothing compared to One UI on Samsung.
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YouTube
youtube.com › tom’s guide
Samsung Galaxy S21 Ultra review: Pros and cons - YouTube
The Galaxy S21 Ultra is a superior Android phone with a dynamic 120Hz display, powerful dual zoom cameras, excellent battery life and S Pen support.Check out...
Published   January 21, 2021
Views   48K
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DroidChart
en.droidchart.com › smartphones › samsung › samsung galaxy s21 ultra 5g sd (2021)
Samsung Galaxy S21 Ultra 5G SD Review, Pros and Cons
June 19, 2025 - The Galaxy S21 Ultra 5G SD phone is designed to work with Nano SIM cards. The Android OS v11.0 provides a seamless and user-friendly interface, along with various optimizations and advancements. Android devices benefit from Google Play Protect, a built-in security feature that continuously scans apps from the Google Play Store.
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ePHOTOzine
reviews.giggster.com › samsung-s21-ultra-5g-smartphone-review-35332
Samsung Galaxy S21 Ultra 5G Smartphone Review - Reviews
Samsung Galaxy S21 Ultra 5G
Is the Samsung Galaxy S21 Ultra 5G the ultimate camera phone? With quad camera and up to 10x optical zoom, 8K video recording, and 40mp selfie camera, can it delivery the goods? Find out in our full review.
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
Research Briefs & BlogsCP ConferencesCP ConversationsPodcastsEvents & WebinarsWhite PapersReviewsDataIn the Press · AIAutomotiveConsumer ElectronicsDisplayEmerging technologiesIoTMacro & GeopoliticsSemiconductorsSmartphoneSoftware & ServicesTelecom ... Samsung Galaxy S21 Ultra Long-term Review: Smooth Performance, Refined Software Offer Best Android Experience
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ePHOTOzine
ephotozine.com › article › samsung-s21-ultra-5g-review-35332
Samsung Galaxy S21 Ultra 5G Smartphone Review | ePHOTOzine
Samsung Galaxy S21 Ultra 5G
Is the Samsung Galaxy S21 Ultra 5G the ultimate camera phone? With quad camera and up to 10x optical zoom, 8K video recording, and 40mp selfie camera, can it delivery the goods? Find out in our full review.
Rating: 4.5 ​
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TechSpot
techspot.com › products › smartphones › samsung-sm-g991-galaxy-s21.217920
Samsung Galaxy S21 Pros and Cons | TechSpot
The Galaxy S21 isn’t the star of Samsung’s S series in 2021, like we’ve been used to for most of the past decade, but it’s a solid smartphone choice with an impressive camera, powerful internals and great battery life.
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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 ​
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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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AnandTech
anandtech.com › show › 16488 › the-samsung-galaxy-s21-ultra-s21-review › 9
Conclusion & End Remarks - The Samsung Galaxy S21 Ultra & S21 Review: The Near Perfect and The Different
February 22, 2021 - The display of the Galaxy S21 Ultra is absolutely outstanding. It combines high resolution, high refresh rate, high brightness, high accuracy, and high power-efficiency into a package that you will find in no other device right now.
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Quora
quora.com › What-are-the-pros-and-cons-of-the-Samsung-S21-Ultra-and-the-iPhone-12-Pro
What are the pros and cons of the Samsung S21 Ultra and the iPhone 12 Pro? - Quora
Answer (1 of 3): In performance ... own taste, so no comments In cameras, S21 Ultra is better in features as well as in picture quality but in video and in night photography, iPhone is miles better In display, S21 Ultra is ...