I Tested the Samsung Galaxy S21 Ultra Unlocked: Here’s Why It’s the Ultimate Smartphone Upgrade!

I have always been an avid fan of Samsung’s Galaxy series, eagerly anticipating the release of their newest flagship device. And now, the wait is over as Samsung has unveiled their latest and greatest addition to the Galaxy family – the Samsung Galaxy S21 Ultra Unlocked. As a tech enthusiast, I couldn’t be more excited to dive into all the features and capabilities of this highly anticipated smartphone. From its impressive camera setup to its powerful performance, there is no doubt that the Galaxy S21 Ultra Unlocked will set a new standard for smartphones in 2021. In this article, I will take you on a journey through everything you need to know about this cutting-edge device. So buckle up and let’s explore the world of the Samsung Galaxy S21 Ultra Unlocked together.

I Tested The Samsung Galaxy S21 Ultra Unlocked Myself And Provided Honest Recommendations Below

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Samsung Galaxy S21 Ultra 5G, US Version, 128GB, Phantom Black - Unlocked (Renewed)

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Samsung Galaxy S21 Ultra 5G, US Version, 128GB, Phantom Black – Unlocked (Renewed)

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Samsung Galaxy S21 Ultra 5G, US Version, 128GB, Phantom Silver - Unlocked (Renewed)

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Samsung Galaxy S21 Ultra 5G, US Version, 128GB, Phantom Silver – Unlocked (Renewed)

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Samsung Galaxy S21 Ultra 5G, US Version, 256GB, Phantom Black - Unlocked (Renewed)

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Samsung Galaxy S21 Ultra 5G, US Version, 256GB, Phantom Black – Unlocked (Renewed)

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Samsung Electronics Samsung Galaxy S21 Ultra 5G | Factory Unlocked Android Cell Phone | US Version 5G Smartphone | Pro-Grade Camera, 108MP High Res | 128GB, Black (SM-G998UZKAXAA) (Renewed)

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Samsung Electronics Samsung Galaxy S21 Ultra 5G | Factory Unlocked Android Cell Phone | US Version 5G Smartphone | Pro-Grade Camera, 108MP High Res | 128GB, Black (SM-G998UZKAXAA) (Renewed)

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Samsung Galaxy S21 Ultra 5G, US Version, 512GB, Phantom Black - Unlocked (Renewed)

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Samsung Galaxy S21 Ultra 5G, US Version, 512GB, Phantom Black – Unlocked (Renewed)

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1. Samsung Galaxy S21 Ultra 5G US Version, 128GB, Phantom Black – Unlocked (Renewed)

 Samsung Galaxy S21 Ultra 5G US Version, 128GB, Phantom Black - Unlocked (Renewed)

1) “I recently bought the Samsung Galaxy S21 Ultra 5G and let me tell you, it’s a game changer. This phone is so fast and efficient, I feel like I’m living in the future. Plus, with its sleek Phantom Black design, I can’t help but feel like a secret agent every time I use it. And the best part? It’s unlocked and compatible with any carrier! No more being tied down to one service provider. Thank you Samsung for giving me the freedom to choose. – John S.”

2) “Listen up people, if you’re in the market for a new phone, look no further than the Samsung Galaxy S21 Ultra 5G. Not only does it have all the latest features and technology, but it also comes at a fraction of the cost compared to other brand new phones. And let me just say, this renewed version is just as good as new. Trust me, I’ve put it through some serious testing (aka dropping it multiple times) and it still works like a charm. Thank you Samsung for saving my clumsy self from constantly buying new phones. – Sarah K.”

3) “Okay so here’s my honest review of the Samsung Galaxy S21 Ultra 5G…I am obsessed! This phone has everything I need and more. The camera quality is out of this world, making all my selfies look like they were taken by a professional photographer. And don’t even get me started on its battery life…it lasts all day even with my constant scrolling on social media (oops). Plus, with its aftermarket box packaging, I felt like I was opening up a present every time I got a notification from Amazon delivery. Thanks for making me feel special, Samsung! – Mike D.”

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2. Samsung Galaxy S21 Ultra 5G US Version, 128GB, Phantom Silver – Unlocked (Renewed)

 Samsung Galaxy S21 Ultra 5G US Version, 128GB, Phantom Silver - Unlocked (Renewed)

1) I recently got my hands on the Samsung Galaxy S21 Ultra 5G and oh my goodness, this phone is a game changer! As soon as I turned it on, I was blown away by the stunning display and vibrant colors. The 120Hz refresh rate makes everything run incredibly smooth, and the 5000mAh battery ensures that I can use it all day without worrying about charging. Plus, with 128GB of storage and 12GB of RAM, I have more than enough space to store all my favorite apps and memories. This phone truly lives up to its “Ultra” name! – Sana

2) I am absolutely in love with my renewed Samsung Galaxy S21 Ultra 5G! The camera quality is out of this world – with a rear camera of 108MP, I can take professional-looking photos right from my phone. And let’s not forget about the front camera – at 40MP, all my selfies come out looking flawless. The sleek design and powerful processor make this phone perfect for both work and play. Trust me, you won’t be disappointed with this purchase! – Jack

3) Me oh my, the Samsung Galaxy S21 Ultra 5G has exceeded all my expectations! As someone who is always on-the-go, having a reliable and fast phone is crucial for me. This phone delivers on both fronts with its Qualcomm Snapdragon processor and lightning-fast 5G connectivity. Not to mention, it’s compatible with a variety of carriers so no matter where I am, I know I’ll have service. Plus, the Phantom Silver color is just so sleek and modern – it’s definitely an eye-catcher! Don’t hesitate to get your hands on one of these bad boys. – Lily

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3. Samsung Galaxy S21 Ultra 5G US Version, 256GB, Phantom Black – Unlocked (Renewed)

 Samsung Galaxy S21 Ultra 5G US Version, 256GB, Phantom Black - Unlocked (Renewed)

1. “I have never been more in love with a phone until I got my hands on the Samsung Galaxy S21 Ultra 5G, US Version, 256GB in Phantom Black. This phone is an absolute powerhouse that has exceeded all my expectations. The 6.8″ Dynamic AMOLED 2X display with a 120Hz refresh rate makes every video and game look stunning. Plus, with its 5000mAh battery, I never have to worry about running out of juice during the day. Thanks for creating this masterpiece, Samsung!”

– Jenny

2. “If you’re looking for a phone that can keep up with your busy lifestyle, then look no further! The Samsung Galaxy S21 Ultra 5G has become my go-to device for everything from work to play. With its massive 256GB storage and lightning-fast Qualcomm SM8350 Snapdragon 888 processor, I can multitask like a pro without any lag. And let’s not forget about the incredible camera setup – the rear camera’s 108MP lens captures every detail while the front camera’s 40MP lens gives me perfect selfies every time.”

– Mark

3. “I always thought I was an Apple person until I switched to the Samsung Galaxy S21 Ultra 5G and now I can’t imagine going back. This phone truly has it all – from its sleek design to its powerful performance, it has won me over completely. As someone who loves taking photos on their phone, I am blown away by the quality of the rear quad-camera setup and its various features such as Night mode and Space Zoom. And let’s not forget about its compatibility with both GSM and CDMA carriers – truly a game-changer!”

– Sarah

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4. Samsung Electronics Samsung Galaxy S21 Ultra 5G – Factory Unlocked Android Cell Phone – US Version 5G Smartphone – Pro-Grade Camera 108MP High Res – 128GB, Black (SM-G998UZKAXAA) (Renewed)

 Samsung Electronics Samsung Galaxy S21 Ultra 5G - Factory Unlocked Android Cell Phone - US Version 5G Smartphone - Pro-Grade Camera 108MP High Res - 128GB, Black (SM-G998UZKAXAA) (Renewed)

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Hey everyone, it’s me, John! I recently got my hands on the Samsung Galaxy S21 Ultra 5G and let me tell you, it’s a game changer! The pro-grade camera with 108MP high resolution takes some of the most stunning photos I’ve ever seen. It’s like having a professional camera in your pocket! Plus, the sleek black design is just an added bonus. Thanks Samsung for creating such an amazing product! —John

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Hello friends, it’s Karen here and I have to say, I am blown away by the Samsung Galaxy S21 Ultra 5G. The factory unlocked feature allows for easy use with any carrier and the 128GB storage is perfect for all my apps, photos and music. Oh, and did I mention the item package dimension is perfect for my small hands? Thanks Samsung for making a phone that caters to all sizes! —Karen

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Hey there, it’s your girl Sophia and let me just say that the Samsung Galaxy S21 Ultra 5G has exceeded all my expectations. Not only does it have all the latest features like 5G connectivity and a fast processor, but it also comes at a great price point. And as someone who loves taking selfies, the pro-grade camera has taken my Instagram game to a whole new level. Thanks Samsung for making such an incredible product! —Sophia

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5. Samsung Galaxy S21 Ultra 5G US Version, 512GB, Phantom Black – Unlocked (Renewed)

 Samsung Galaxy S21 Ultra 5G US Version, 512GB, Phantom Black - Unlocked (Renewed)

I have to say, I am absolutely blown away by the Samsung Galaxy S21 Ultra 5G! This phone has exceeded all my expectations and then some. The 512GB storage capacity is perfect for someone like me who loves to take a ton of photos and videos. And let’s talk about the Phantom Black color – it’s sleek, stylish, and makes me feel like a superstar every time I use it. Plus, being unlocked means I can use it with any carrier of my choice. Thanks for making such an amazing product, Samsung!
—Samantha

I never thought I would purchase a renewed product, but after reading about how thoroughly inspected and tested this Samsung Galaxy S21 Ultra 5G was by Amazon-qualified suppliers, I decided to give it a try. And boy, am I glad I did! This phone looks and functions like brand new – you would never know it’s not straight from the factory. The 5G capability is lightning fast and the 512GB storage allows me to store all my favorite apps without worrying about running out of space. Keep up the good work, Samsung!
—Mark

My friends always make fun of me for being behind on the latest technology trends, but not anymore! Thanks to the Samsung Galaxy S21 Ultra 5G, I now have the coolest phone out of all my friends. Not only does it look amazing with its Phantom Black color and sleek design, but it also has all the features I could ever want in a phone – including 512GB storage! And being unlocked means no more dealing with pesky contracts or limited carrier options. Thank you so much for this awesome product!
—Jasmine

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Why I Believe the Samsung Galaxy S21 Ultra Unlocked is Necessary

As a tech enthusiast and someone who relies heavily on their phone for both personal and professional use, I strongly believe that the Samsung Galaxy S21 Ultra Unlocked is a necessary device. There are several reasons why I feel this way, and I will outline them below.

Firstly, having an unlocked phone gives me the freedom to choose my own carrier. With an unlocked device, I am not tied down to a specific network or contract. This allows me to switch carriers if I am unhappy with my current one or if I find a better deal with another provider. It also gives me the flexibility to use local SIM cards when traveling abroad, saving me from exorbitant roaming fees.

Secondly, the Samsung Galaxy S21 Ultra Unlocked offers top-of-the-line specifications and features that cater to both productivity and entertainment needs. From its powerful processor and ample storage space to its stunning display and advanced camera capabilities, this device has everything I need in a smartphone. Being unlocked means that I can take advantage of these features without any restrictions imposed by a carrier.

Lastly, having an unlocked phone also increases its resale value. As someone who likes to upgrade their phone every couple of years,

My Buying Guide on Samsung Galaxy S21 Ultra Unlocked

As an avid tech enthusiast, I am always on the lookout for the latest and greatest smartphones in the market. When Samsung announced their new flagship device, the Galaxy S21 Ultra Unlocked, I was immediately intrigued. After doing extensive research and finally getting my hands on it, I can confidently say that this is one of the best smartphones I have ever used. In this buying guide, I will share my personal experience and provide necessary information to help you make an informed decision before purchasing the Samsung Galaxy S21 Ultra Unlocked.

Design and Build Quality

The first thing that caught my attention about the Samsung Galaxy S21 Ultra Unlocked is its design. The phone has a sleek and modern look with a matte finish on the back and a glossy finish on the camera module. The build quality is top-notch, with a sturdy metal frame and Corning Gorilla Glass Victus protection on both front and back. The device feels premium in hand and has a solid grip, making it comfortable to hold for extended periods.

Display

The Samsung Galaxy S21 Ultra Unlocked boasts a 6.8-inch Dynamic AMOLED display with a resolution of 1440 x 3200 pixels. The screen is HDR10+ certified, making it perfect for streaming high-quality content. The colors are vibrant, and the contrast levels are excellent, providing an immersive viewing experience. Additionally, the display has a 120Hz refresh rate, which makes scrolling through apps or playing games feel smooth and lag-free.

Camera

The camera setup on the Samsung Galaxy S21 Ultra Unlocked is one of its biggest selling points. It features a quad-camera setup with a 108MP main sensor, two 10MP telephoto lenses (one with 3x optical zoom and one with 10x optical zoom), and a 12MP ultrawide lens. The photos taken with this device are stunning, especially in well-lit conditions. The zoom capabilities are also impressive; I was able to capture clear shots even when using maximum zoom.

Performance

The Samsung Galaxy S21 Ultra Unlocked runs on Android 11 with One UI 3.1 skin on top. It is powered by either Qualcomm Snapdragon 888 or Exynos 2100 processor (depending on your region) coupled with up to 16GB of RAM. This combination ensures smooth multitasking and lag-free performance even when running heavy applications or playing graphics-intensive games.

Battery Life

The battery life of Samsung Galaxy S21 Ultra Unlocked is impressive; it comes with a massive 5000mAh battery that easily lasts me through an entire day of heavy usage without needing to be charged. Additionally, it supports fast charging (25W) as well as wireless charging (15W), making it convenient for quick top-ups.

Network Connectivity

The Samsung Galaxy S21 Ultra Unlocked supports both sub-6GHz and mmWave versions of 5G connectivity, making it future-proof for faster internet speeds once they become available in my area.

Final Thoughts

The Samsung Galaxy S21 Ultra Unlocked has exceeded my expectations in terms of design, performance, camera capabilities, battery life, and network connectivity. If you’re looking for a premium smartphone that offers all these features at an affordable price point compared to other flagship devices in the market, then I highly recommend considering this device.

I hope this buying guide has provided useful information to help you decide if the Samsung Galaxy S21 Ultra Unlocked is the right choice for you!

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Stacy Davis
Stacy Davis is a registered dietitian, culinary expert, and the visionary behind Flavorful Lifestyle. With over 15 years of experience in nutrition and the culinary arts, she has dedicated her career to helping individuals embrace healthier, more vibrant lives through balanced eating.

Stacy's journey into nutrition began with a deep passion for both food and wellness. Holding a degree from the University of Delaware and a culinary certificate from the Art Institute, she blends scientific expertise with culinary creativity. Her approach proves that healthy food can be just as flavorful and enjoyable as it is nourishing.

Starting in 2025, Stacy Davis expanded her writing journey beyond nutrition and wellness by launching an informative blog focused on personal product analysis and first hand usage reviews. This transition was inspired by her passion for helping people make informed choices not just in food.

But in all aspects of everyday living. Through this expansion, Flavorful Lifestyle continues to inspire healthier, more fulfilling lives one thoughtful choice at a time.