Samsung Galaxy S21 Ultra 5G 256GB Unlocked Renewed Review – Pros & Cons – samsung galaxy s21 ultra

The Samsung Galaxy S21 Ultra 5G 256GB Unlocked Renewed offers a premium flagship experience with a stunning 6.8-inch Dynamic AMOLED 2X display. This screen features an adaptive 120Hz refresh rate and Quad HD+ resolution, ensuring smooth scrolling and vibrant colors. Encased in a sophisticated Phantom Black finish, this US version is powered by the Snapdragon 888 processor for exceptional speed and efficiency.

Equipped with a professional-grade quad-camera system, the Samsung Galaxy S21 Ultra 5G 256GB Unlocked Renewed features a 108MP main sensor capable of capturing incredible detail. Users can record video in 8K resolution and take advantage of the 100x Space Zoom for long-distance photography. With 256GB of internal storage, there is ample space for high-resolution media, apps, and large files without the need for constant cloud offloading.

This Samsung Galaxy S21 Ultra 5G 256GB Unlocked Renewed has been professionally inspected and tested to work and look like new. As an unlocked device, it is compatible with all major US carriers including AT&T, T-Mobile, and Verizon. The high-capacity 5000mAh battery supports fast charging and wireless power sharing, making it a reliable choice for power users who need performance throughout the day.

FEATURES:
– 6.8-inch Dynamic AMOLED 2X display
– 108MP pro-grade quad camera system
– 100x Space Zoom capability
– Cinematic 8K video recording
– Snapdragon 888 5nm processor
– 256GB internal storage capacity
– 12GB high-speed RAM
– 5000mAh long-lasting intelligent battery
– Adaptive 120Hz screen refresh rate
– S Pen stylus compatibility support
– Fast 5G cellular connectivity
– Corning Gorilla Glass Victus durability
– IP68 water and dust resistance
– Ultrasonic in-display fingerprint sensor

The Samsung Galaxy S21 Ultra 5G 256GB Unlocked Renewed offers a premium mobile experience with its 6.8 inch Dynamic AMOLED 2X display, featuring an adaptive 120Hz refresh rate and Quad HD+ resolution. This US version is powered by the Snapdragon 888 processor, providing high performance for multitasking and gaming. The Phantom Black finish provides a sleek, matte aesthetic that is both sophisticated and resistant to fingerprints.

PROS:
– Exceptional camera quality
– Amazing battery life
– Fast upload speeds
– Great value for price
– Excellent storage capacity
– Quick and responsive performance
– High quality speakers
– Reliable fingerprint reader
– Great haptic feedback
– Flawless call and text quality
– Arrived in like new condition
– Works perfectly with AT&T
– Easy SIM card setup
– Strong software update support

CONS:
– Major cellular connection issues
– Frequent service disconnects
– Noticeable micro-scratches on screen
– Device feels very heavy
– Fragile screen despite protective case
– Inaccurate autocorrect software
– Potential for scuffed charging port
– Reports of carrier lock issues
– Short connection after rebooting

The Samsung Galaxy S21 Ultra 5G Renewed offers exceptional value with its stunning camera quality, responsive performance, and impressive battery life, often arriving in like-new condition with easy setup for carriers like AT&T. Users benefit from high-quality speakers, generous storage, and reliable haptic feedback, all supported by consistent software updates. However, these strengths are countered by significant drawbacks, most notably frequent cellular connection drops and service instability. Additionally, the device’s substantial weight and fragile screen make it physically demanding to handle, while some units may arrive with minor cosmetic flaws like micro-scratches or scuffed ports. Read more…

Samsung Galaxy S21 Ultra Search Results

Samsung Galaxy S21 Ultra Search Results

The image shows a web browser displaying Google search results for the Samsung Galaxy S21 Ultra 5G. The search query focuses on unlocked and renewed models with 256GB of storage. Multiple product images appear from retailers like Amazon, Walmart, and eBay. Several photos show the back of the phone highlighting the large quad-camera array. Some results feature the front display with its slim bezels. One thumbnail is a YouTube video review featuring a hand holding the device next to a dog. The primary colors of the phones shown are black and silver. The layout is a grid of images typical of a mobile or desktop search engine. Retailer icons and product titles are visible beneath each picture. The overall interface is clean and organized for shopping.


Samsung Galaxy S21 Ultra

Samsung Galaxy S21 Ultra

A smartphone is shown from a side angle. The screen displays a colorful abstract wallpaper. The colors include red and white and green. These colors look like layered sand or paint. The device has very thin black bezels. A small circular punch hole camera sits at the top center. The frame of the phone is dark grey. Physical buttons are visible on the right side of the frame. The background of the image is solid white. The screen is the main focus of this product shot. It highlights a sleek and modern design.


Package Contents Overview

Package Contents Overview

The image displays a list of items included in a box for a new electronic device. A header at the top reads In the box in bold text. Below the header are three grey rectangular icons arranged in a horizontal row. The first icon shows a smartphone silhouette with the word Smartphone underneath it. The second icon depicts a coiled USB cable labeled as USB cable. The third icon illustrates a wall plug labeled as Power adapter. At the bottom right corner there is an illustration of an open cardboard box with light shining out of it. The bottom left corner contains a small note stating that it is an AI generated image. The background of the entire graphic is a clean and solid white.


Google Search Results for Samsung Galaxy S21 Ultra

Google Search Results for Samsung Galaxy S21 Ultra

The image shows a Google Images search page for a Samsung Galaxy S21 Ultra 5G. The search bar at the top contains the specific model name and mentions it is a renewed unlocked version. Multiple rows of product photos from Amazon appear in the results. Most of the phones shown are in the Phantom Black color option. One image highlights a Phantom Silver model with a white back. Small icons indicate these are shopping links. Filter buttons for Samsung phones and price details are visible below the search bar. The layout is clean and organized for a typical web browser view. Each thumbnail provides a clear look at the large camera module on the back of the device. The screen of the phone displays a colorful red and yellow wallpaper.


Google Search Results for Samsung Galaxy S21 Ultra

Google Search Results for Samsung Galaxy S21 Ultra

A Google search results page displays several sponsored product listings for Samsung smartphones. The search bar at the top contains the text for a Samsung Galaxy S21 Ultra 5G with 256GB of storage. Various filter buttons appear below the search bar including options for price and color. Four specific phone models are highlighted in the sponsored section from the seller Back Market. The first model is a Galaxy S21 5G in gray priced at 168 dollars. The second is a Galaxy S22 Plus 5G in black listed for 199 dollars. The third item is a Galaxy S21 Ultra 5G in dark gray for 294 dollars and 19 cents. The fourth item shows a Galaxy S22 5G in black for 195 dollars. All of these devices are labeled as refurbished units. A small portion of an Amazon link is visible at the bottom of the screen. The overall layout is clean and typical of a mobile or desktop shopping interface.


Google Shopping results for Samsung Galaxy S21 Ultra

Google Shopping results for Samsung Galaxy S21 Ultra

The image shows a Google Shopping search page for a Samsung Galaxy S21 Ultra 5G. The search bar at the top displays the specific model and storage capacity. A sidebar on the left side provides various filters for the search results. Users can refine their search by price range and color options. The main area of the screen features a grid of product listings from different retailers. Each listing includes a photo of the phone and the product title. Prices for the devices are clearly listed in bold text below the titles. Ratings and review counts are visible for most of the featured items. Retailers like eBay and Newegg are represented among the sellers. Some phones are listed as refurbished while others are pre-owned or new. The phones are shown in various colors including black and silver.


Samsung Galaxy S21 Ultra Search Results

Samsung Galaxy S21 Ultra Search Results

The image shows a Google Shopping search for the Samsung Galaxy S21 Ultra 5G. The search bar at the top displays the specific model name and storage capacity. Multiple listings for the phone are visible in a grid layout. Each listing includes a product photo and price information. Some phones are listed as refurbished or pre-owned. Prices range from roughly one hundred sixty dollars to nearly three hundred dollars. A sidebar on the left offers filters for carrier and price range. Color options like black are also available to select. Star ratings and review counts appear for several of the devices. The background of the webpage is white and clean. The layout is organized for easy comparison between different sellers.


About MyCellPhoneReviews.com

As the lead editor of My Cellphone Reviews, I am dedicated to helping tech enthusiasts and everyday buyers navigate the fast-paced world of mobile technology. With a focus on providing honest, hands-on insights and detailed pros-and-cons breakdowns, my goal is to simplify your next upgrade by highlighting the best deals and features available in 2025. Whether you are looking for the latest flagship or a reliable renewed device, I provide the clarity you need to choose the perfect phone with confidence.

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Best Samsung Galaxy S21 Ultra 5g 256gb Deals

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

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

Product Highlights

  • ✅ The Galaxy S21 Ultra features a massive 6.8-inch Dynamic AMOLED 2X display with Quad HD+ resolution, HDR10+ support, and an adaptive 120Hz refresh rate that scales dynamically to deliver ultra-smooth visuals while conserving battery life.

Samsung Galaxy S21 Ultra 5G, 256GB, Phantom Black - Locked to Verizon (Renewed)

Image of Samsung Galaxy S21 Ultra 5G, 256GB, Phantom Black - Locked to Verizon (Renewed)

Product Highlights

  • ✅ This pre-owned product that has been professionally inspected, tested and cleaned by Amazon-qualified suppliers.

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

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

Product Highlights

  • ✅ 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. It supports the S Pen, offers strong performance with 5G connectivity, and is ideal for users seeking flagship features at a better value.

Samsung Galaxy S21 Ultra 5G, 256GB, Phantom Black - Locked to AT&T (Renewed)

Image of Samsung Galaxy S21 Ultra 5G, 256GB, Phantom Black - Locked to AT&T (Renewed)

Product Highlights

  • ✅ 6.8", 1440 x 3200 pixels, Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak), 5000mAh Battery
  • ✅ 256GB ROM, 12GB RAM, No SD Card Slot, Qualcomm SM8350 Snapdragon 888 5G (5 nm), Octa-Core, Adreno 660
  • ✅ Rear Camera:108MP, f/1.8 + 10MP, f/4.9 + 10MP, f/2.4 + 12MP, f/2.2, Front Camera: 40MP, f/2.2, Android 11, upgradable to Android 12, One UI 4.1
  • ✅ 2G: GSM 850/900/1800/1900, CDMA 800/1900, 3G: HSDPA 850/900/1700(AWS)/1900/2100, CDMA2000 1xEV-DO, 4G LTE: 1/2/3/4/5/7/8/12/13/14/18/19/20/25/26/28/30/38/39/40/41/46/48/66/71, 5G: 2/5/25/41/66/71/260/261 SA/NSA/Sub6/mmWave - Single SIM

Samsung Galaxy S21 Ultra 5G, 256GB, Phantom Black - Locked to T-Mobile (Renewed)

Image of Samsung Galaxy S21 Ultra 5G, 256GB, Phantom Black - Locked to T-Mobile (Renewed)

Product Highlights

  • ✅ Phones are locked for T-Mobile use ONLY.
  • ✅ Pro Grade Camera: Zoom in close, take photos and videos like a pro, and capture incredible share-ready moments with our easy-to-use, multi lens camera
  • ✅ Sharp 8K Video: Capture your life’s best moments in head-turning, super-smooth 8K video that gives your movies that cinema-style quality Multiple Ways to Record: Create share-ready videos and GIFs on the spot with multi-cam recording and automatic professional-style effects
  • ✅ 100x Zoom: Get amazing clarity with a dual lens combo of 3x and 10x optical zoom, or go even further with our revolutionary 100x Space Zoom Highest Smartphone Resolution: Crystal clear 108MP allows you to pinch, crop and zoom in on your photos to see tiny, unexpected details, while lightning-fast Laser Focus keeps your focal point clear

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)

Image of 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)

Product Highlights

  • ✅ Item Package Dimension- 6.9299999929314L X 5.6299999942574W X 1.3399999986332H Inches
  • ✅ Item Package Weight - 0.78925489796 Pounds
  • ✅ Item Package Quantity - 1
  • ✅ Product Type - Cellular Phone

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

Image of Samsung Galaxy S21 5G, US Version, 256GB, Phantom Gray - Unlocked (Renewed)

Product Highlights

  • ✅ 6.2 inch, 1080 x 2400 pixels, Dynamic AMOLED 2X, 120Hz, HDR10 plus, 1300nits, 4000mAh Battery
  • ✅ 256GB ROM, 8GB RAM, No SD Card Slot, Qualcomm SM8350 Snapdragon 888 5G (5 nm), Octa-Core, Adreno 660
  • ✅ Rear Camera: 64MP, f/2.0 plus 12MP, f/1.8 plus 12MP, f/2.2, Front Camera: 10 MP, f/2.2, Android 11, One UI 3.1
  • ✅ 2G: GSM 850/900/1800/1900, CDMA 800/1900, 3G: HSDPA 850/900/1700(AWS)/1900/2100, CDMA2000 1xEV-DO, 4G LTE: 1/2/3/4/5/7/8/12/13/14/18/19/20/25/26/28/30/38/39/40/41/46/48/66/71, 5G: 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - Single SIM

Samsung Galaxy S21 Ultra 5G SM-G998B/DS 256GB 12GB RAM Factory Unlocked (GSM Only | No CDMA - not Compatible with Verizon/Sprint) International Version - Phantom Black

Image of Samsung Galaxy S21 Ultra 5G SM-G998B/DS 256GB 12GB RAM Factory Unlocked (GSM Only | No CDMA - not Compatible with Verizon/Sprint) International Version - Phantom Black

Product Highlights

  • ✅ The best quality video ever in a smartphone
  • ✅ The most intelligent display ever in a smartphone
  • ✅ The fastest chip ever in a Galaxy
  • ✅ Learning your app usage style to optimize power consumption

Samsung Galaxy S22 Ultra 5G, US Version, 256GB, Phantom Black - Unlocked (Renewed)

Image of Samsung Galaxy S22 Ultra 5G, US Version, 256GB, Phantom Black - Unlocked (Renewed)

Product Highlights

  • ✅ 6.8", 1440 x 3088pixels, Infinity-O FHD+ Dynamic AMOLED 2X Display, 5000mAh Battery, Wireless Powershare
  • ✅ 256GB ROM, 12GB RAM, No SD Card Slot, Qualcomm SM8450 Snapdragon 8 Gen 1 (4nm), Octa-Core, Adreno 730
  • ✅ Rear Camera: 108MP, f/1.8 + 10MP, f/4.9 + 10MP, f/2.4 + 12MP, f/2.2, Front Camera: 40MP, f/2.2, Android 12, One UI 4.1
  • ✅ 2G: GSM 850/900/1800/1900, CDMA 800/1900, 3G: HSDPA 850/900/1700(AWS)/1900/2100, CDMA2000 1xEV-DO, 4G LTE: 1/2/3/4/5/7/8/12/13/14/18/19/20/25/26/28/29/30/38/39/40/41/46/48/66/71, 5G: 1/3/5/7/8/20/28/38/41/66/71/260/261SA/NSA/Sub6/mmWave - Single SIM

SAMSUNG Galaxy S21 Ultra 5G Factory Unlocked Android Cell Phone 128GB US Version Smartphone Pro-Grade Camera 8K Video 108MP High Res, Phantom Silver

Image of SAMSUNG Galaxy S21 Ultra 5G Factory Unlocked Android Cell Phone 128GB US Version Smartphone Pro-Grade Camera 8K Video 108MP High Res, Phantom Silver

Product Highlights

  • ✅ PRO-GRADE CAMERA: Zoom in close with 100X Space Zoom, and take photos and videos like a pro with our easy-to-use, multi-lens camera..Form_factor : Smartphone.Display resolution maximum:3200 x 1440 pixels
  • ✅ SHARP 8K VIDEO: Capture your life’s best moments in head-turning, super-smooth, cinema quality 8K Video.
  • ✅ MULTIPLE WAYS TO RECORD: Create share-ready videos and GIFs with multi-cam recording and automatic, professional-style effects.
  • ✅ HIGHER RESOLUTION, 100X ZOOM: Get amazing clarity with a dual lens combo of 3X and 10X optical zoom and revolutionary 100X Space Zoom.
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