Description
Wholesale Samsung Galaxy S21 G991U1 256GB Phantom Gray 5G Unlocked A/B Stock
Samsung Galaxy S21 5G for Wholesale Resale and Business Deployment
The Samsung Galaxy S21 G991U1 in Phantom Gray with 256GB of internal storage combines flagship Samsung performance, premium display quality, capable cameras, and flexible 5G connectivity in a compact form factor. Offered in A/B Stock condition and unlocked, this configuration is well suited for wireless retailers, wholesalers, exporters, enterprise IT teams, government agencies, healthcare organizations, educational institutions, and other buyers sourcing dependable Samsung smartphones in volume.
The SM-G991U1 designation identifies Samsung's U.S. unlocked Galaxy S21 5G model. The 256GB storage configuration provides additional capacity compared with the standard 128GB version, making it especially useful for users who keep larger collections of applications, business files, photos, videos, and offline data on the device. The Phantom Gray finish gives this SKU a neutral and professional appearance suitable for both consumer resale and organizational deployments.
Design and Build Quality
The Galaxy S21 features Samsung's distinctive Contour Cut camera design and a compact chassis designed for comfortable everyday use. Phantom Gray gives the phone an understated appearance that works well in corporate environments, retail inventories, schools, healthcare settings, field operations, and other professional deployments.
The standard Galaxy S21 offers many of Samsung's flagship capabilities without the larger dimensions of the Galaxy S21+ or Galaxy S21 Ultra. This compact form factor is practical for users who want strong performance while retaining a device that is easy to carry, handle, and operate throughout the day.
Dynamic AMOLED 2X Display
The Samsung Galaxy S21 features a 6.2-inch Dynamic AMOLED 2X display with a Full HD+ resolution of 2400 x 1080 pixels. The display provides sharp text, strong contrast, vibrant image reproduction, and responsive touch performance for business applications, email, web browsing, inventory systems, document review, navigation, video conferencing, and multimedia use.
An adaptive refresh rate of up to 120Hz helps provide smooth scrolling and fluid interaction across compatible applications and content. The display can dynamically adjust its refresh behavior depending on what is being viewed, helping balance responsive performance with efficient power management during everyday use.
Flagship Performance and 256GB Storage
The Galaxy S21 G991U1 is powered by a high-performance octa-core processor designed to support demanding smartphone applications and efficient multitasking. Combined with 8GB of RAM, the device can handle communication platforms, cloud applications, productivity software, navigation tools, mobile commerce platforms, field-service applications, and other common professional workloads.
This SKU includes 256GB of internal storage, offering additional capacity for users who need more space for applications, photos, videos, documents, and locally stored business files. Because the Galaxy S21 does not include a microSD expansion slot, the larger 256GB configuration is particularly useful for buyers who want more internal storage without relying heavily on cloud services.
Professional Triple Camera System
The Samsung Galaxy S21 includes a versatile triple rear-camera system consisting of a 12MP wide camera, 64MP telephoto camera, and 12MP ultrawide camera. This combination supports both everyday photography and professional use cases such as inventory documentation, product photography, equipment inspections, property records, field-service reports, and other visual workflows.
The camera system supports 3x Hybrid Optic Zoom and digital zoom up to 30x, allowing users to capture subjects from different distances. The Galaxy S21 can also record UHD 8K video at 24 frames per second for situations requiring high-resolution video capture. A 10MP front-facing camera supports virtual meetings, customer communication, remote training, and everyday photography.
5G and Wireless Connectivity
The Samsung Galaxy S21 G991U1 supports 5G connectivity along with broad 4G LTE capabilities. As Samsung's U.S. unlocked configuration, the G991U1 provides greater network flexibility than a carrier-specific device, making it useful for wholesalers, resellers, exporters, and organizations managing devices across multiple compatible networks.
Actual carrier compatibility, 5G availability, activation requirements, and network performance depend on the carrier, service plan, supported bands, and coverage available in the intended deployment area. Buyers planning large activations should verify compatibility with their selected carrier before distribution.
Additional connectivity features include Wi-Fi, Bluetooth, NFC, GPS, and USB-C. These capabilities support wireless accessories, navigation, contactless workflows, mobile payment applications, productivity peripherals, and other everyday business requirements.
Battery and Charging
The Galaxy S21 is equipped with a 4000mAh battery designed to provide a practical balance between battery capacity and the device's compact size. Actual battery performance varies depending on network conditions, display brightness, signal strength, applications, refresh-rate settings, video use, calling activity, and other usage patterns.
Fast wired charging provides efficient power replenishment during downtime, while compatible wireless charging offers added convenience in offices, retail counters, meeting rooms, and other work environments. Wireless PowerShare is also supported, allowing the Galaxy S21 to provide wireless power to certain compatible accessories and devices.
Security and Enterprise Readiness
Samsung Galaxy smartphones incorporate Samsung Knox security technologies designed to provide multiple layers of protection across hardware and software. These capabilities help make the Galaxy S21 suitable for organizations deploying smartphones as part of managed corporate mobile programs.
The device also includes an ultrasonic fingerprint sensor beneath the display for convenient biometric authentication. Combined with Android security capabilities and compatible mobile device management solutions, the Galaxy S21 can support secure email, application control, authentication policies, corporate communications, and other professional workflows.
Why Wholesale Buyers Choose the Galaxy S21 G991U1
- Unlocked U.S. Model: The G991U1 configuration provides greater flexibility across compatible carrier networks.
- 256GB Storage: Offers expanded capacity for applications, documents, photos, videos, and locally stored data.
- Phantom Gray Finish: Provides a neutral and professional appearance with broad resale appeal.
- 8GB RAM: Supports efficient multitasking across productivity, communication, and consumer applications.
- 5G Capability: Supports modern mobile networks where compatible service and coverage are available.
- 120Hz Dynamic AMOLED 2X Display: Delivers smooth navigation and premium display quality.
- Triple Rear Camera System: Supports photography, video recording, inspections, documentation, and field workflows.
- Compact Flagship Form Factor: Provides premium Galaxy S-series capabilities in a manageable size.
- A/B Stock Condition: Offers buyers a balance of cosmetic quality and competitive wholesale value.
Technical Specifications
- Brand: Samsung
- Model: Galaxy S21 5G
- Model Number: G991U1 / SM-G991U1
- Color: Phantom Gray
- Storage: 256GB
- RAM: 8GB
- Network: 5G / 4G LTE
- Carrier Status: Unlocked
- Display: 6.2-inch Dynamic AMOLED 2X
- Display Resolution: 2400 x 1080 FHD+
- Refresh Rate: Adaptive up to 120Hz
- Processor: Octa-Core, up to 2.84GHz
- Rear Cameras: 12MP Wide + 64MP Telephoto + 12MP Ultrawide
- Front Camera: 10MP
- Video Recording: Up to UHD 8K at 24fps
- Zoom: 3x Hybrid Optic Zoom, digital zoom up to 30x
- Battery: 4000mAh
- Charging Port: USB-C
- Wireless Charging: Supported
- Wireless PowerShare: Supported
- NFC: Supported
- Fingerprint Sensor: Ultrasonic in-display sensor
- Memory Card Slot: None
- Condition: A/B Stock
Core Industries and Related Sectors
- Wireless retailers and smartphone resellers
- Wholesale electronics distributors
- Corporate IT and mobile workforce deployments
- Healthcare and clinical organizations
- Government and public-sector agencies
- Schools and educational institutions
- Field service and logistics companies
- Device repair and replacement programs
- International exporters and distributors
- eCommerce and marketplace sellers
Frequently Asked Questions
Is Phantom Gray an official Samsung Galaxy S21 color?
Yes. Phantom Gray is an official factory color for the Samsung Galaxy S21 5G and was offered on the standard Galaxy S21 lineup.
Is the Samsung Galaxy S21 G991U1 unlocked?
Yes. SM-G991U1 identifies Samsung's U.S. unlocked Galaxy S21 5G model. Buyers should still verify compatibility with their intended carrier because supported bands, activation requirements, and coverage can vary.
Does this Galaxy S21 have 256GB of storage?
Yes. This configuration includes 256GB of internal storage, providing additional capacity for applications, photos, videos, documents, and other locally stored data.
Does the Galaxy S21 G991U1 support 5G?
Yes. The Galaxy S21 G991U1 supports 5G connectivity along with 4G LTE. Actual 5G availability depends on carrier compatibility, service plans, network coverage, and location.
What does A/B Stock mean?
A/B Stock generally refers to fully functional devices that may show light to moderate cosmetic signs of previous use depending on the supplier's grading standards. Exact cosmetic criteria should follow the seller's specific grading policy.