Description
Wholesale Samsung Galaxy S21 Ultra G998U 256GB 5G Unlocked - Phantom Black (A Stock)
For institutional buyers seeking flagship-tier 5G performance in a value-conscious procurement framework, the Samsung Galaxy S21 Ultra in A Stock condition delivers an outstanding hardware profile at a meaningfully reduced cost compared to near-new condition grades. A Stock units present with minor cosmetic wear consistent with careful prior use, while retaining complete, verified hardware functionality across all systems. The 256GB unlocked configuration in Phantom Black positions this device as a compelling choice for technology directors provisioning high-performance handsets for operational leadership, clinical specialists, or field intelligence roles.
The Qualcomm Snapdragon 888 5G chipset, backed by 12GB of LPDDR5 RAM and 256GB of UFS 3.1 storage, provides the computational capacity to run demanding enterprise applications, layered security platforms, and intensive mobile workflows without degradation. The factory-unlocked SM-G998U supports the full complement of Sub-6 and mmWave 5G bands across all major US carriers, enabling seamless integration into diverse network environments across multi-site enterprise deployments. IT teams benefit from the device's Samsung Knox architecture, which provides chip-level security enforcement and broad MDM compatibility for centralized fleet management.
The 6.8-inch QHD+ Dynamic AMOLED 2X display at 120Hz adaptive refresh and 1500-nit peak brightness maintains full usability in high-ambient-light environments, including outdoor field operations and brightly lit clinical settings. The quad-camera system, led by a 108MP main sensor with dual optical zoom capabilities at 3x and 10x, offers institutional-grade imaging performance for compliance documentation, site inspection reporting, and telehealth-grade clinical photography workflows.
Professional-Tier Features
- Snapdragon 888 5G (5nm) with 12GB RAM enables seamless concurrent execution of MDM agents, encrypted communication apps, and enterprise productivity suites
- 6.8-inch 1440p Dynamic AMOLED 2X at 120Hz with 1500-nit peak brightness ensures display legibility across indoor and outdoor deployment scenarios
- Quad-camera array with 108MP primary sensor, 10x periscope telephoto, and ultrawide lens delivering enterprise-quality imaging for compliance, inspections, and field documentation
- Sub-6 and mmWave 5G support for maximum carrier network flexibility across geographically diverse multi-site deployments
Best Suited For
- Senior operational staff and department leads requiring high-performance devices with premium display and camera capabilities
- Healthcare specialists performing telemedicine consultations, clinical photography, or mobile EHR workflows
- Government field operatives and program managers requiring reliable high-throughput 5G connectivity
- Enterprise technology teams managing large fleets where flagship-tier specs are required but budget flexibility is essential
- Field inspection and compliance professionals relying on advanced camera systems for documentation accuracy
Core Industries and Applications
- Healthcare: Specialist clinical tools, telehealth, mobile imaging, and patient data workflows
- Government Operations: Field program management, inter-agency communications, and mobile intelligence tools
- Corporate Enterprise: Senior staff mobility, CRM, ERP access, and encrypted executive communications
- Infrastructure and Utilities: Field inspection, GPS-tracked reporting, asset condition documentation
- Legal and Compliance: Mobile document review, evidentiary photography, annotated reporting workflows
Technical Specifications
- OS: Android 11, upgradeable through 4 major Android versions, One UI 6.1
- Processor: Qualcomm Snapdragon 888 5G (5nm), Octa-core (1x2.84GHz Cortex-X1, 3x2.42GHz Cortex-A78, 4x1.80GHz Cortex-A55), Adreno 660 GPU
- Memory: 12GB LPDDR5 RAM / 256GB UFS 3.1 internal storage
- Storage Expansion: Not supported
- Display: 6.8-inch Dynamic AMOLED 2X, 120Hz, HDR10+, 1440x3200px (515 ppi), 1500 nits peak, Corning Gorilla Glass Victus
- Rear Cameras: 108MP f/1.8 wide (OIS, PDAF, Laser AF) + 10MP f/4.9 periscope telephoto (10x optical, OIS) + 10MP f/2.4 telephoto (3x optical, OIS) + 12MP f/2.2 ultrawide (PDAF); 8K@24fps, 4K@30/60fps video
- Front Camera: 40MP f/2.2, PDAF; 4K@30/60fps video
- Battery: 5000mAh Li-Ion
- Charging: 25W wired (PD3.0), 15W wireless
- Connectivity: Wi-Fi 802.11 a/b/g/n/ac/6e, Bluetooth 5.2, NFC, USB Type-C 3.2, GPS/GLONASS/BDS/Galileo, 5G Sub-6 + mmWave (Bands 2/5/25/41/66/71/260/261 USA)
- Dimensions: 165.1 x 75.6 x 8.9 mm
- Weight: 227g
- Colors: Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown
Frequently Asked Questions
Q: How does A Stock differ from A+ Stock on the S21 Ultra?
A: A Stock units may have minor cosmetic wear such as light surface marks, but all hardware systems are fully tested and operational. A+ Stock units are individually inspected to near-new cosmetic standards. Both grades deliver identical functional performance.
Q: Is the S21 Ultra A Stock appropriate for senior or executive staff?
A: Yes, particularly in organizations where functional performance is the primary criterion. For roles where device appearance is a factor, A+ Stock is recommended.
Q: Does the G998U model support both Sub-6 and mmWave 5G?
A: Yes. The SM-G998U supports Sub-6 bands 2, 5, 25, 41, 66, and 71, as well as mmWave bands 260 and 261, covering the full range of 5G deployment types across major US carriers.
Q: What security features support enterprise IT administration?
A: Samsung Knox provides hardware-backed security with chip-level protection, biometric enforcement, and full compatibility with major MDM platforms including Microsoft Intune, VMware Workspace ONE, and JAMF.
Q: What is the minimum purchase quantity?
A: The minimum order is 10 units. Volume pricing is available for larger bulk procurement orders from government, enterprise, and institutional buyers.
