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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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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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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 ​
Discussions

My long-term review of Samsung S21 Ultra. Which new phone would be better for my usage?
can samsung bring back 16gb ram already More on reddit.com
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October 9, 2024
Samsung galaxy s20 fE vs s21 vs s21 ultra

If you want the best battery, go for the s21 Ultra. It is massive but it has insanely good battery

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🌐 r/PickAnAndroidForMe
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May 25, 2018
Samsung Galaxy S21 Ultra long-term review
Coming on three months: absolutely no complaints. Best phone I've had. More on reddit.com
🌐 r/Android
166
285
July 15, 2021
Samsung Galaxy S21 Ultra 5G review - GSMArena

Battery life results compared to other Samsung phones. All are Exynos with 120hz mode:

Samsung Galaxy S21 Ultra: 114h endurance, 35.5h talk time, 15h web, 18h video

Samsung Galaxy S21: 93h endurance, 27.5h talk time, 11h web, 15h video

Samsung Galaxy Note20 Ultra: 88h endurance, 24h talk time, 11.5h web, 13h video

Samsung Galaxy S20 Ultra: 87h endurance, 24h talk time, 10.5h web, 13h video

Samsung Galaxy S20: 71h endurance, 14h talk time, 11h web, 9h video

Other phones for reference:

iPhone 12 Pro Max: 95h endurance, 21h talk time, 14h web, 15h video

Pixel 5: 95h endurance, 26h talk time, 12.5h web, 18h video

OnePlus 8T: 104h endurance, 31h talk time, 13.5h web, 16h video

Source: GSMArena's standardized battery test results

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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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CNET
cnet.com › tech › mobile › phones › galaxy s21 ultra 5g review: samsung's premier phone is pretty badass
Galaxy S21 Ultra 5G review: Samsung's premier phone is pretty badass - CNET
Galaxy S21 Ultra 5G
With an elegant design, lower price and S-Pen support, the second time's the charm for Samsung. With an elegant design, lower price and S Pen support, second time's the charm for Samsung. The Galaxy S21 Ultra earns a CNET Editors' Choice Award.
Rating: 8.9/10 ​
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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 - Many reviews define the Samsung Galaxy S21 Ultra as the best Android phone money can buy. With a retail price that starts at $1199 this is exactly what you want to hear before buying it. However, I…
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Android Police
androidpolice.com › home › reviews › samsung galaxy s21 ultra long-term review: still one of the best
Samsung Galaxy S21 Ultra long-term review: Still one of the best
November 8, 2021 - I've been using the S21 Ultra as my daily driver for two months now, and this feels very much like the phone the Galaxy S20 Ultra should have been. And while I think the price is still eye-popping in its own right, it's also no longer bizarrely out of step with the iPhone, lending Samsung more credibility with customers leery of the Ultra's value proposition.
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Samsung Community
r2.community.samsung.com › india › smartphones › galaxy s
Samsung Galaxy S21 Ultra review: Oh so close to pe... - Samsung Members
February 14, 2022 - The Galaxy S21 Ultra has a phenomenal display. Like the Galaxy Note 20 Ultra, it supports adaptive 120Hz refresh rate, and that makes its screen better than the already fantastic display on the Galaxy S20 Ultra.
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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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Neowin
neowin.net › news › samsung galaxy s21 ultra review: a mobile powerhouse
Samsung Galaxy S21 Ultra review: A mobile powerhouse - Neowin
Samsung Galaxy S21 Ultra
Samsung's top-of-the-line flagship for 2021 is an all-around powerhouse that leaves little to be desired. While it's still expensive, it's $200 less than its predecessor and an incredible machine.
Rating: 9/10 ​
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Forbes
forbes.com › sites › bensin › 2021 › 02 › 01 › samsung-galaxy-s21-ultra-review-the-best-a-slab-phone-can-get
Samsung Galaxy S21 Ultra Review: The Best A Slab Phone Can Get
February 1, 2021 - Samsung fixed most of those issues with the excellent Note 20 Ultra last fall, but it’s further polished and corrected those mistakes with this year’s S21 Ultra. I’ve been testing the S21 Ultra for nearly two weeks, and it is an absolute apex piece of slab smartphone hardware. I can’t image normal slab phones getting much better this year. ... Last year’s Galaxy S20 Ultra had a camera bump that many, including myself, found unsightly.
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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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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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Amazon
amazon.com › Galaxy-S21-Ultra-5G-Smartphone › dp › B096T6Y623
Amazon.com: Samsung Galaxy S21 Ultra 5G, US Version, 128GB, Phantom Black - Unlocked (Renewed) : Cell Phones & Accessories
The Samsung Galaxy S21 Ultra (Renewed) is a premium smartphone with a 6.8-inch AMOLED display, 120Hz refresh rate, and powerful camera system featuring a 108MP main lens and up to 100x zoom.
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Notebookcheck
notebookcheck.net › Samsung-Galaxy-S21-Ultra-Smartphone-Review-Improved-in-many-ways-but-not-all.517524.0.html
Samsung Galaxy S21 Ultra Smartphone Review: Improved in many ways, but not all - NotebookCheck.net Reviews
Samsung Galaxy S21 Ultra Smartphone Review: Improved in many ways, but not all
The Samsung Galaxy S21 Ultra's main selling points are its Exynos 2100, 12 GB of LPDDR5 RAM, 128 GB of UFS 3.1 memory, a powerful quad-camera array, and a 5,000 mAh battery.
Rating: 90/100 ​
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DXOMARK
dxomark.com › samsung-galaxy-s21-ultra-5g-exynos-camera-review-dual-tele-with-room-for-improvement
Samsung Galaxy S21 Ultra 5G (Exynos) Camera review: Dual-tele with room for improvement - DXOMARK
September 20, 2022 - There is no doubt the Samsung Galaxy S21 Ultra 5G is an exciting device with a powerful chipset and impressive display. If camera is a priority there are currently a number of better options to pick from, but there is hope that Samsung might be able to fix some of the issues identified in this review with a firmware update and thus reduce the gap between the S21 Ultra 5G and top-ranked devices.
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GSMArena
gsmarena.com › samsung_galaxy_s21_ultra_5g-10596.php
Samsung Galaxy S21 Ultra 5G - Full phone specifications
The Galaxy S21 and S21+ now feature lower-res OLEDs, no microSD expansion, and no chargers in the... Read ... Hahaha snapdragon 888 is sht, you can cook egg. ... Great and excellent device any one complaining about the S21 Ultra 5G u have but the exynos version that version is horrible but the snapdragon version is top notch ... Samsung publishes a longer list of Galaxy devices eligible for the One UI 7 update, it goes back to 2021 20 Mar 2025
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SamMobile
sammobile.com › home › how your galaxy s21 ultra was handicapped by samsung for no apparent reason
How your Galaxy S21 Ultra was handicapped by Samsung for no apparent reason - SamMobile
November 21, 2025 - It was also one of the most beautiful Samsung phones ever, and it still has one of the best-looking camera housing designs. It looked so good that it really made the S20 Ultra look outdated in comparison. However, even back then, despite the phone's many qualities, the Galaxy S21 Ultra couldn't reach perfection, partly due to a strange Samsung decision.
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Nasi Lemak Tech
nasilemaktech.com › home › review › long-term review: samsung galaxy s21 ultra – still the best after 6...
Long-term review: Samsung Galaxy S21 Ultra - Still the best after 6 months? | Nasi Lemak Tech
August 8, 2021 - Now, I have not spent any time without a case on the Galaxy S21 Ultra, but honestly – I really still do like the matte black finish of the Galaxy S21 Ultra. We should also talk about the accessories though. The S Pen is a separate purchase and I end up ditching the bundled case because it was too grippy. I got this case from Spigen which is thinner than the bundled case from Samsung, but it’s a bit wider.
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Input
inverse.com › reviews
Galaxy S21 Ultra review: The iPhone 12 Pro Max gets put to shame
January 21, 2021 - Samsung’s refreshed the design with a bold, striking “contour cut camera,” more powerful performance, longer battery life, and — in the specific case of the S21 Ultra — big camera upgrades and S Pen support. I spent the last week using both new Android phones. This review is going to focus on the S21 Ultra, mainly because there’s more new stuff to talk about. (It’s got two telephoto cameras.) Not since the Galaxy Note 7 (a terrific phone that was by doomed by its flawed battery design) has any non-folding Samsung phone swept me off my feet the way the S21 Ultra has.