Overview Of Galaxy M21
Network
Technology
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2 (dual-SIM model only)
3G bands
HSDPA 850 / 900 / 1900 / 2100
4G bands
1, 3, 5, 7, 8, 20, 38, 40, 41
Speed
HSPA 42.2/5.76 Mbps, LTE-A
Launch
Announced
2020, March 18
Status
Available. Released 2020, March 23
Body
Dimensions
159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in)
Weight
188 g (6.63 oz)
Build
Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Display
Type
Super AMOLED, 420 nits (peak)
Size
6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Protection
Corning Gorilla Glass 3
Platform
OS
Android 10, upgradable to Android 11, One UI 3.1 Core
Chipset
Exynos 9611 (10nm)
CPU
Octa-core (4×2.3 GHz Cortex-A73 & 4×1.7 GHz Cortex-A53)
GPU
Mali-G72 MP3
Memory
Card slot
microSDXC (dedicated slot)
Internal
64GB 4GB RAM, 128GB 6GB RAM
UFS 2.1
Main Camera
Triple
48 MP, f/2.0, 26mm (wide), 1/2.0″, 0.8µm, PDAF
8 MP, f/2.2, 12mm (ultrawide), 1/4.0″, 1.12µm
5 MP, f/2.2, (depth)
Features
LED flash, panorama, HDR
Video
4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS
Selfie camera
Single
20 MP, f/2.2, 26mm (wide)
Features
HDR
Video
1080p@30fps
Sound
Loudspeaker
Yes
3.5mm jack
Yes