Samsung
Samsung Galaxy S21 Ultra 5G - 128GB Unlocked - Renewed
★★★★★
8K108MP12MP10MP000 mAh
Capture Every Moment in Stunning Detail with 5G SpeedThe Samsung Galaxy S21 Ultra 5G redefines mobile photography and performance. This unlocked US Version smartphone, with its advanced camera system and 5G connectivity, ensures you never miss a moment. Key Features: Pro-Grade Camera: Featu...
$289.70*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Capture Every Moment in Stunning Detail with 5G Speed
The Samsung Galaxy S21 Ultra 5G redefines mobile photography and performance. This unlocked US Version smartphone, with its advanced camera system and 5G connectivity, ensures you never miss a moment.
Key Features:
- Pro-Grade Camera: Features a 108MP quad-camera system for stunning photos and 8K video recording.
- Dynamic AMOLED Display: Enjoy vibrant visuals on the 6.8-inch Dynamic AMOLED 2X display with a 120Hz refresh rate.
- Ultra-Fast 5G Connectivity: Experience lightning-fast download and streaming speeds with 5G compatibility.
- Powerful Performance: Equipped with a Qualcomm Snapdragon 888 processor and 12GB of RAM for seamless multitasking.
- All-Day Battery: 5000mAh battery ensures you stay connected and productive throughout the day.
Specifications:
- Display: 6.8" Dynamic AMOLED 2X (1440 x 3200 pixels)
- Processor: Qualcomm Snapdragon 888
- Memory: 12GB RAM
- Storage: 128GB ROM
- Rear Camera: 108MP (f/1.8) + 10MP (f/4.9) + 10MP (f/2.4) + 12MP (f/2.2)
- Front Camera: 40MP (f/2.2)
- Operating System: Android 11 (upgradable to Android 12)
- Battery: 5000 mAh, non-removable
- Connectivity: 5G, Wi-Fi, Bluetooth
- Dimensions: 6.5 x 2.98 x 0.35 inches
- Weight: 8.01 oz
Key Features
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.
Its rear camera system is a powerhouse, combining a 108MP wide sensor, 12MP ultra-wide lens, and two telephoto lenses (10MP each) with 3x and 10x optical zoom. With up to 100x Space Zoom, advanced AI scene optimization, and laser autofocus, the S21 Ultra captures extraordinary detail, whether shooting landscapes, zoomed-in subjects, or 8K video content.
The phone is powered by Snapdragon 888 (U.S.) or Exynos 2100 (global) paired with up to 16GB of RAM, making it exceptionally fast for gaming, multitasking, and demanding productivity apps. Coupled with Samsung DeX support, the Ultra can be used like a full desktop workstation for editing, presentations, and professional workflows.
The Galaxy S21 Ultra offers a 5,000 mAh intelligent adaptive battery with fast wired charging, fast wireless charging, and reverse wireless charging. Its AI-driven battery management optimizes power use based on your habits, allowing longer usage without frequent recharging—even with heavy multitasking or 5G connectivity.
Security and connectivity are top-tier, featuring Samsung Knox Vault for advanced protection of sensitive data, ultrasonic in-display fingerprint scanning, facial recognition, and ultra-fast 5G and Wi-Fi 6E support. Enhanced stereo speakers with Dolby Atmos create immersive audio, making the device ideal for gaming, streaming, and professional multimedia experiences.
Specifications
Display Size
6.8-inch
Display Technology
Dynamic AMOLED 2X
Display Resolution
Quad HD+
Refresh Rate
Adaptive 120Hz
Rear Camera (Wide)
108MP
Rear Camera (Ultra-Wide)
12MP
Rear Camera (Telephoto 1)
10MP (3x optical zoom)
Rear Camera (Telephoto 2)
10MP (10x optical zoom)
Space Zoom
Up to 100x
Processor
Snapdragon 888 (U.S.) or Exynos 2100 (global)
RAM
Up to 16GB
Internal Storage
128GB
Battery Capacity
5,000 mAh
Charging
Fast wired, fast wireless, reverse wireless
Security
Samsung Knox Vault, Ultrasonic in-display fingerprint, facial recognition
Connectivity
5G, Wi-Fi 6E
Audio
Enhanced stereo speakers with Dolby Atmos
Additional Features
HDR10+ support, AI scene optimization, laser autofocus, 8K video capture, Samsung DeX support
Condition
Unlocked, Renewed
Pros & Cons
👍 Pros
- Features a massive 6.8-inch Dynamic AMOLED 2X display with Quad HD+ resolution and adaptive 120Hz refresh rate for ultra-smooth visuals.
- Boasts a powerful rear camera system including a 108MP wide sensor and two 10MP telephoto lenses with up to 100x Space Zoom for detailed photography.
- Powered by a Snapdragon 888 (U.S.) or Exynos 2100 (global) processor and up to 16GB RAM, ensuring exceptional speed for demanding applications.
- Equipped with a 5,000 mAh intelligent adaptive battery that offers fast wired and wireless charging, along with reverse wireless charging.
- Incorporates top-tier security with Samsung Knox Vault and ultrasonic in-display fingerprint scanning, alongside ultra-fast 5G and Wi-Fi 6E support.
👎 Cons
- The "Renewed" condition means it's not a brand-new device, and while tested, its long-term performance or battery health may vary compared to new.
- A large 6.8-inch display, while immersive, may be challenging for users who prefer smaller, more pocket-friendly devices.
- The phone's advanced features and powerful processor might lead to higher power consumption, even with the large battery, under heavy use.
- The presence of either Snapdragon 888 or Exynos 2100 processor depends on the region (U.S. vs. global), meaning performance can vary slightly.
- While offering up to 100x Space Zoom, the highest levels of zoom may result in reduced image quality compared to optical zoom.
Frequently Asked Questions
Does this renewed Galaxy S21 Ultra support an S Pen?
While the S21 Ultra series can be compatible with an S Pen, the product description for this specific renewed model does not mention its inclusion or specific S Pen features.
What does "adaptive 120Hz refresh rate" mean for battery life?
The adaptive 120Hz refresh rate dynamically scales based on content, meaning it can lower the refresh rate when not needed to conserve battery life while providing ultra-smooth visuals when required.
Is the phone truly unlocked for any carrier?
The product is described as "Unlocked," meaning it should be compatible with various carriers, but it's always recommended to verify with your specific network provider.
How effective is the 100x Space Zoom in practical use?
The 100x Space Zoom on the S21 Ultra allows for extreme magnification, but typically, image quality may decrease at the highest zoom levels compared to its optical zoom capabilities.
What are the benefits of Wi-Fi 6E connectivity?
Wi-Fi 6E offers ultra-fast connectivity, lower latency, and increased bandwidth, which translates to a more stable and faster internet experience on compatible networks.
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