Description
Wholesale Samsung Galaxy S21 Ultra G998U Phantom Black 256GB 5G - B/C STOCK (Unlocked)
Samsung's Flagship Ultra Built for Premium Enterprise and Government Deployments
The Samsung Galaxy S21 Ultra stands as one of the most capable flagship smartphones in Samsung's history, delivering a 108MP quad-camera system with 100x Space Zoom, a Snapdragon 888-powered processing platform, and a stunning 6.8-inch Dynamic AMOLED 2X display. Available in Phantom Black with 256GB of storage in B/C STOCK condition, this fully unlocked G998U model is ready for immediate bulk procurement and enterprise deployment across any carrier network in the United States and internationally.
Enterprise procurement officers and government technology administrators will recognize the S21 Ultra as a premium-tier device that delivers exceptional imaging, processing capability, and Samsung Knox security in a single platform. With 12GB of LPDDR5 RAM and the Snapdragon 888 chipset, it handles the most demanding enterprise workloads - from real-time data analytics and secure communications to field documentation and high-definition video conferencing - without compromise.
One of the S21 Ultra's defining enterprise attributes is its native S Pen support, enabling executives and field personnel to take notes, annotate documents, and sign approvals directly on-screen. For organizations deploying devices to leadership teams, sales executives, or documentation-intensive field roles, this functionality delivers tangible productivity benefits that differentiate the S21 Ultra from standard smartphone deployments.
Design & Build Quality
The Galaxy S21 Ultra features Corning Gorilla Glass Victus on both front and back panels, paired with an armored aluminum frame engineered for premium durability. The Phantom Black finish presents a commanding, professional aesthetic well-suited to executive and client-facing roles. At 227g and 8.9mm, the device conveys a premium, substantial feel. IP68 certification provides dust and water resistance rated to 1.5 meters for 30 minutes, protecting device investments in challenging operational environments including field operations, healthcare settings, and outdoor deployments.
Display
The 6.8-inch Dynamic AMOLED 2X panel with 3200 x 1440 QHD+ resolution and 120Hz adaptive refresh delivers an exceptional visual experience for professional use cases. With 1500 nits peak brightness and full HDR10+ certification, the display performs reliably in high-ambient-light environments and renders accurate color for applications requiring precise visual detail. The adaptive refresh rate optimizes battery consumption while maintaining smooth performance across enterprise applications, documents, and multimedia content.
Performance & Intelligence
Powered by the Qualcomm Snapdragon 888 on a 5nm architecture with 12GB of LPDDR5 RAM, the S21 Ultra delivers elite-tier processing performance for enterprise applications. The integrated X60 5G modem supports multi-band 5G connectivity for maximum network throughput. The on-device AI engine accelerates machine learning tasks, camera processing, and enterprise application performance, ensuring the device remains highly capable throughout its operational lifecycle.
Camera System
The quad-camera configuration - 108MP wide, 10MP telephoto (3x optical), 10MP periscope telephoto (10x optical), and 12MP ultrawide - establishes the S21 Ultra as an enterprise imaging powerhouse. The 100x Space Zoom capability supports remote site inspection and detailed field documentation without physical proximity requirements. The 40MP front camera delivers broadcast-quality video conferencing. For healthcare documentation, engineering inspections, and executive content creation, the S21 Ultra camera system operates at a professional standard.
Battery & Charging
A 5000mAh battery provides all-day endurance through demanding enterprise workloads. The 25W Super Fast Charging dramatically reduces device downtime, while 15W wireless charging and 4.5W reverse wireless charging provide flexible power management options for executive device programs. The high-capacity battery directly supports field personnel, traveling executives, and operational staff who cannot rely on consistent access to charging infrastructure.
Why Businesses Choose This Model
- Snapdragon 888 with 12GB RAM delivers elite processing performance for the most demanding enterprise applications
- 108MP quad-camera system with 100x Space Zoom enables precision field documentation and remote inspection
- Native S Pen support adds handwriting, annotation, and document signing capabilities for executive users
- Samsung Knox enterprise security provides MDM compatibility and containerized data management
- IP68 dust and water resistance protects hardware investment in field and healthcare environments
- Fully unlocked for deployment across all major U.S. and international 5G carrier networks
Business-Grade Features
- Native S Pen Support: Enables on-screen annotation, document signing, and handwritten notes - a distinct productivity advantage for executive and field personnel
- 108MP Quad-Camera System: Professional-grade imaging with 10x optical and 100x Space Zoom for remote inspection, documentation, and enterprise content creation
- Snapdragon 888 + 12GB LPDDR5 RAM: Flagship-tier processing handles concurrent enterprise applications and data-intensive workflows without performance degradation
- Samsung Knox Enterprise Security: Comprehensive MDM platform for remote management, containerized data, and policy enforcement across device fleets
- 5000mAh All-Day Battery: Extended endurance supports full-shift operational use without mid-day charging interruptions
Technical Specifications
OS: Android 11, upgradeable to Android 14
Processor: Qualcomm Snapdragon 888 (5nm), Octa-core
Memory: 12GB
Storage Expansion: microSDXC (up to 1TB)
Display: 6.8" Dynamic AMOLED 2X, 3200 x 1440, 120Hz adaptive
Rear Cameras: 108MP wide + 10MP telephoto (3x optical) + 10MP telephoto (10x optical) + 12MP ultrawide
Front Camera: 40MP
Battery: 5000mAh
Charging: 25W fast charging, 15W wireless, 4.5W reverse wireless
Connectivity: 5G, Wi-Fi 6E (802.11ax), Bluetooth 5.0, NFC, USB-C, S Pen support
Dimensions: 165.1 x 75.6 x 8.9 mm
Weight: 227g
Colors: Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown
Target Buyer Categories
Corporate executive device programs requiring premium flagship performance; government agencies deploying advanced imaging and communication tools; healthcare organizations equipping clinical leadership with high-capability smartphones; enterprise IT departments building premium-tier device pools; telecommunications distributors servicing wholesale accounts for flagship Samsung inventory.
Core Industries & Related Sectors
Healthcare and medical documentation; government and defense procurement; corporate executive and professional services; construction, engineering, and remote site inspection; media production and field content creation; premium wholesale electronics distribution.
Note
The Samsung Galaxy S21 Ultra G998U 256GB in Phantom Black delivers flagship-tier performance, advanced imaging, and S Pen capability at compelling B/C STOCK wholesale pricing. All units are fully unlocked, thoroughly tested, and ready for immediate bulk deployment. Contact us today for volume pricing and inventory availability.
FAQs
Q: Is the Galaxy S21 Ultra still relevant for enterprise use in 2025?
A: Absolutely. The Snapdragon 888, 12GB RAM, 108MP camera system, 5G support, and S Pen compatibility keep it highly capable for demanding enterprise deployments.
Q: What does B/C STOCK mean for these units?
A: B/C Stock condition - fully operational with visible cosmetic wear including scratches or scuffs on the body or screen.
Q: Are these units fully unlocked?
A: Yes. All G998U units are fully unlocked and compatible with 5G and 4G LTE networks on AT&T, T-Mobile, Verizon, and major international carriers.
Q: Is bulk inventory consistently available?
A: Yes. We maintain reliable stock of this model for recurring bulk orders with dedicated wholesale account pricing.
Q: Do units come with a warranty?
A: Yes. All units include a 6-month wholesale warranty with full functional testing and condition verification documentation.

