Description
Wholesale Samsung Galaxy S21 G991U Phantom Gray 128GB 5G Unlocked B/C Stock
Premium Samsung Galaxy for Enterprise Wholesale Deployment
The Samsung Galaxy S21 G991U in Phantom Gray with 128GB storage represents a proven enterprise solution for business buyers, government agencies, educational institutions, and wholesale distributors. This factory unlocked 5G device is certified B/C stock, delivering exceptional performance with Snapdragon 888 processor, 120Hz display, and Samsung DeX desktop functionality for comprehensive business deployments.
Condition Grade Details: B/C Stock devices show moderate to noticeable cosmetic wear including visible scratches, scuffs, minor dents, or screen blemishes while maintaining complete functionality. Every unit undergoes rigorous multi-point inspection verifying all hardware components, connectivity features, camera systems, and core functions. Ideal for bulk deployments where cosmetic appearance is secondary to functionality and budget optimization.
Fully compatible with all major U.S. carriers including AT&T, T-Mobile, Verizon, and nationwide MVNOs, this device supports immediate activation across GSM and CDMA networks. The unlocked status eliminates carrier restrictions, enabling flexible deployment across diverse workforce locations.
Design And Build Quality
The Samsung Galaxy S21 showcases premium construction with aluminum frame paired with Gorilla Glass Victus on the front delivering military-grade durability. The unique Contour Cut camera housing creates a distinctive design language while maintaining slim 7.9mm profile. At 169 grams, the S21 offers flagship features in a remarkably lightweight package ideal for extended mobile use.
IP68 certification ensures dust and water resistance to 6 meters for 30 minutes, providing protection for field operations and unpredictable work conditions. The Phantom Gray finish maintains professional appearance suitable for business environments while the lightweight construction reduces user fatigue during extended use.
Display Technology
The 6.2-inch Dynamic AMOLED 2X display features adaptive 120Hz refresh rate technology that intelligently adjusts from 48Hz to 120Hz based on content type, optimizing both performance and battery life. Peak brightness of 1300 nits ensures exceptional outdoor visibility for field operations and mobile workforce scenarios. The resolution of 2400 x 1080 pixels delivers sharp text and vibrant colors essential for business applications.
HDR10+ certification delivers vibrant colors and deep contrast ratios essential for multimedia presentations, video conferencing, and content review. The Infinity-O design minimizes bezels, maximizing usable screen space for productivity applications. Eye Comfort Shield reduces blue light exposure during extended work sessions, protecting employee eye health across long deployment periods.
Performance And Intelligence
Powered by the Qualcomm Snapdragon 888 built on 5-nanometer architecture, the Galaxy S21 delivers flagship-grade computational performance. The octa-core CPU configuration features a prime Kryo 680 core clocked at 2.84GHz, three performance cores at 2.42GHz, and four efficiency cores at 1.80GHz. The Adreno 660 GPU delivers 35% faster graphics rendering than its predecessor, supporting demanding mobile applications and advanced visualizations.
Paired with 8GB RAM, the S21 handles intensive multitasking scenarios including split-screen productivity apps, background data synchronization, and resource-intensive enterprise software. The integrated Spectra 580 ISP enables computational photography features including HDR10+ video recording, AI scene optimization, and enhanced low-light capture crucial for documentation and inspection workflows.
Samsung DeX transforms the S21 into a desktop computing experience when connected to external displays, enabling traditional keyboard-and-mouse workflows for office productivity applications. Knox security platform provides military-grade protection with real-time kernel protection, secure folder encryption, and enterprise-grade mobile device management integration.
Camera System
The Samsung Galaxy S21 camera system delivers professional imaging capabilities for business documentation and content creation.
Rear Camera Configuration: 12MP wide (f/1.8, Dual Pixel PDAF, OIS) + 64MP telephoto (f/2.0, PDAF, OIS, 1.1x-3x hybrid optical zoom) + 12MP ultra-wide (f/2.2)
Front Camera: 10MP (f/2.2, Dual Pixel PDAF)
The triple camera system combines a 12MP wide camera with optical image stabilization, a 64MP telephoto lens, and a 12MP ultra-wide camera for comprehensive imaging capabilities. The 64MP telephoto sensor enables up to 3x hybrid optical zoom and 30x Space Zoom digital magnification for detailed distant capture during site surveys, equipment inspections, and security documentation.
The 12MP main camera with Dual Pixel PDAF and OIS delivers consistent autofocus and stable handheld photography in challenging conditions. Advanced scene optimization automatically adjusts settings based on subject matter, ensuring optimal results without manual camera knowledge. Single Take feature captures multiple photo and video variations with one shutter press, perfect for time-sensitive documentation scenarios.
8K video recording at 24fps provides future-proof content creation with the ability to extract 33MP still images from video footage. 4K Super Steady video delivers gimbal-like stabilization for smooth professional footage during walking tours, equipment demonstrations, and mobile videography. Director's View mode enables simultaneous recording from multiple cameras, providing flexible angles for interview scenarios and event coverage.
Battery Performance And Charging
The 4000mAh battery balances capacity with the slim 7.9mm profile. Samsung rates the device for all-day battery life under typical usage patterns. In business environments, expect reliable 8-10 hour runtime with moderate use including email, productivity apps, video conferencing, and web browsing.
25W wired fast charging delivers rapid power restoration reaching approximately 50% in 30 minutes with compatible chargers. Wireless charging provides 15W power delivery for convenient cable-free charging on office desks and compatible vehicle mounts. Reverse wireless charging capability enables the S21 to charge other Qi-compatible devices like wireless earbuds or smartwatches, adding flexibility for mobile professionals managing multiple devices.
Adaptive power saving mode intelligently manages background processes and system performance to extend battery life during critical low-power situations. The 120Hz display automatically adjusts refresh rate based on content, optimizing battery consumption without manual intervention.
Why Businesses Choose This Model
- Samsung DeX Desktop Experience: Transform into full desktop computing environment with external display enabling traditional productivity workflows without separate computers
- Knox Security Platform: Military-grade security with real-time kernel protection, secure folder encryption, and comprehensive MDM integration for enterprise compliance requirements
- Versatile Camera System: 64MP telephoto with 3x optical zoom and 30x Space Zoom enables detailed distant photography for inspections, site surveys, and security documentation
- 5G-Ready Infrastructure: Comprehensive band support across sub-6GHz and mmWave ensures optimal connectivity as carriers continue 5G network expansion nationwide
- Adaptive Display Technology: 120Hz variable refresh rate optimizes both performance and battery efficiency with intelligent adjustment based on content and usage patterns
Business-Grade Features
- Samsung DeX desktop mode transforms device into traditional computing environment with keyboard, mouse, and external display support
- Knox security platform delivers defense-grade protection with hardware-backed security and real-time kernel protection
- 120Hz adaptive display optimizes both visual smoothness and battery efficiency
- Versatile triple camera system with 3x optical zoom and 30x Space Zoom enables comprehensive documentation
- Comprehensive 5G band support ensures optimal connectivity across all major carriers
Technical Specifications
Operating System: Android 11, upgradeable to Android 14
Processor: Qualcomm Snapdragon 888 (5nm)
Memory: 8GB RAM
Storage: 128GB
Display: 6.2" Dynamic AMOLED 2X, 2400 x 1080 pixels, 120Hz
Rear Cameras: 12MP wide + 64MP telephoto + 12MP ultra-wide
Front Camera: 10MP
Battery: 4000mAh with 25W fast charging
Connectivity: 5G, Wi-Fi 6E, Bluetooth 5.0
Dimensions: 151.7 x 71.2 x 7.9 mm
Weight: 169g
Frequently Asked Questions
Q: Is this device suitable for enterprise deployment?
A: Absolutely. The Galaxy S21 is widely deployed across Fortune 500 companies with Knox security platform, Samsung DeX functionality, and comprehensive MDM integration.
Q: How long will the battery last?
A: Expect reliable 8-10 hour runtime with moderate business use. The 120Hz display automatically adjusts refresh rate to optimize battery consumption.
Q: What makes the Galaxy S21 stand out?
A: Samsung DeX transforms the device into desktop computing environment. Knox security provides military-grade protection. 120Hz adaptive display and versatile camera system with 3x optical zoom.
Q: What carriers does this support?
A: Compatible with all major U.S. carriers. Comprehensive 5G band support includes both sub-6GHz and mmWave capability.
Q: What warranty is provided?
A: All devices include a 6-month wholesale warranty covering manufacturing defects and hardware failures.