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Samsung Galaxy W21 5G
Samsung Galaxy W21 5G photo gallery
7.6" Dynamic AMOLED
6.2" Super AMOLED Cover
Snapdragon 865+
12GB RAM + 512GB
12MP+12MP+12MP Rear
10MP Front + 10MP Cover
5G Sub6 Dual-Mode
4390mAh Battery
USB 3.2 Gen 1
Foldable Design
Wi-Fi 6, BT 5.0
SM-W2021
Samsung Galaxy W21 5G
7.6" Dynamic AMOLED
Main: 2208×1768 (QXGA+), 120Hz refresh rate
Cover: 6.2" Super AMOLED, 2260×816 (HD+)
Second-generation Dynamic AMOLED
Snapdragon 865+
Octa-core (3.09GHz, 2.4GHz, 1.8GHz)
12GB LPDDR5 RAM / 512GB UFS 3.1 storage
Android OS
Triple 12MP Rear
12MP F1.8 (wide) + 12MP F2.2 (ultrawide) + 12MP F2.4 (telephoto)
OIS, 2x optical zoom, up to 10x digital zoom
Front: 10MP F2.2 (main) + 10MP F2.2 (cover)
4390mAh Battery
Typical capacity; rated 4250mAh
USB Type-C charging
No wireless charging mentioned
5G Sub6 Dual-SIM
5G Sub6 FDD/TDD (N1, N28, N41, N78, N79)
Wi-Fi 802.11 a/b/g/n/ac/ax, Bluetooth 5.0, NFC
UWB, USB 3.2 Gen 1, GPS/GLONASS/Beidou/Galileo
12GB RAM + 512GB Storage
LPDDR5 memory
UFS 3.1 internal storage
User-available storage: 455.5GB
Timeline & Release Details
The Samsung Galaxy W21 5G was announced on November 4, 2020, as a China-exclusive foldable smartphone. The launch price is CN¥19,999, approximately US$3,000 according to secondary reporting. Official Samsung China product pages do not list a price or release date; the values above rely on consistent secondary sources.
- Model Numbers: SM-W2021 (official Samsung China model); SKU SM-W2021ZDDCHC
- Launch Price (MSRP): CN¥19,999 (~US$3,000)
- Network Approval: China network access license number 00-D726-208719
Body & Build
The Galaxy W21 5G features a foldable design with a metal hinge cover and a glass back panel. The hinge uses multi-angle folding technology, and the back panel has a textured wave pattern with seven layers of nano-scale optical film in Radiant Gold.
- Dimensions (unfolded): 159.2 × 128.2 × 6.9 mm
- Dimensions (folded): 159.2 × 68.0 × 13.9-16.8 mm
- Weight: 282 g
- Form factor: Foldable (tablet when open, phone when closed)
- Colors: Radiant Gold (熠辉金)
- Materials: Metal hinge housing, glass back with nano-coating
- Durability: No IP rating mentioned in available sources
Display System
The device offers a large foldable main display and a cover display for quick interaction. Both are AMOLED with high color depth.
- Main Display: 7.6-inch (diagonal) / 7.5-inch rounded corners, second-generation Dynamic AMOLED, 2208×1768 (QXGA+), 16 million colors, 120Hz refresh rate
- Cover Display: 6.2-inch (diagonal) / 6.2-inch rounded corners, Super AMOLED, 2260×816 (HD+), 16 million colors
Camera System
The rear camera system consists of three 12MP sensors covering wide, ultrawide, and telephoto. The front and cover cameras both use 10MP sensors.
- Rear Camera: 12MP wide (F1.8) + 12MP ultrawide (F2.2) + 12MP telephoto (F2.4)
- Rear Features: OIS, 2x optical zoom, up to 10x digital zoom, LED flash, auto focus
- Front Camera (main): 10MP F2.2
- Cover Camera: 10MP F2.2
- Video Recording: UHD 4K (3840×2160) @60fps; slow motion up to 960fps @HD, 240fps @FHD
- Software Features: Auto framing (supports portrait only), adaptive split-screen mode for camera preview
Platform & Software
The phone is powered by the Qualcomm Snapdragon 865+ processor with octa-core CPU and Adreno GPU. It runs Android and supports Samsung’s software ecosystem.
- Chipset: Qualcomm Snapdragon 865+ (3.09 GHz, 2.4 GHz, 1.8 GHz octa-core)
- Memory: LPDDR5 12GB RAM
- Storage: UFS 3.1 512GB (user available 455.5GB)
- Operating System: Android (manuals available for versions 10, 11, 12, 13)
- Software Features: Samsung DeX dock, Samsung Flow, Smart Switch PC sync, multi-window support
Key Features & AI
The Galaxy W21 5G includes several unique foldable-focused features and connectivity enhancements.
- Multi-Angle Hinge: Supports folding at angles from 75° to 115°, enabling hands-free video calls and adaptive split-screen mode.
- Multi-Tasking: Up to 3 apps on the main display; 2 apps on the cover display.
- Camera AI: Auto composition adjusts zoom based on subject movement (portrait only).
- Connectivity: Ultra-Wideband (UWB) for spatial awareness and “aim to share” with compatible Samsung devices.
- Security: Samsung Knox platform for hardware and software encryption.
- Supported Accessories: Galaxy Buds, Galaxy Watch, Gear series, and other Samsung wearables.
Battery & Charging
The battery capacity is listed at 4390mAh (typical) with a rated minimum of 4250mAh, according to official Samsung specifications. A secondary news source reports 4500mAh; the official figure is used here.
- Typical Capacity: 4390 mAh
- Rated Capacity: 4250 mAh
- Charging: USB Type-C (USB 3.2 Gen 1)
- Wireless Charging: Not mentioned in available sources
Connectivity & Sensors
The device supports dual-SIM (Nano-SIM) with 5G Sub6, a wide range of LTE bands, and the latest wireless standards.
- SIM: Dual Nano-SIM, SIM 1 + SIM 2
- 5G Bands (China): N1, N28, N41, N78, N79 (Sub6 FDD/TDD)
- 4G LTE: Extensive FDD/TDD band support (B1-B41)
- Wi-Fi: 802.11 a/b/g/n/ac/ax, 2.4GHz+5GHz, HE80, MIMO, 1024-QAM
- Bluetooth: v5.0
- Location: GPS, GLONASS, Beidou, Galileo
- Other: NFC, UWB, USB Type-C 3.2 Gen 1 (headphone jack via Type-C)
- Sensors: Accelerometer, barometer, fingerprint, gyroscope, geomagnetic, hall, light, proximity
Samsung Galaxy W21 5G - Summary
The Samsung Galaxy W21 5G is a premium foldable smartphone launched in China in November 2020. It combines a 7.6-inch Dynamic AMOLED main display with a 6.2-inch Super AMOLED cover, Snapdragon 865+ performance, 12GB RAM, and 512GB storage. The triple 12MP camera system supports OIS and 2x optical zoom, while dual 10MP front cameras enable high-quality selfies. Connectivity includes 5G dual-mode, Wi-Fi 6, UWB, and USB 3.2 Gen 1. The device is limited to the Chinese market with a launch price of CN¥19,999.
| Launch Price (MSRP): | Current Market Price: |
|---|---|
| CN¥19,999 |