Display
Size:
5.5 inches
6.5 inches
Resolution:
2160 x 1080 pixels, 18:9 ratio, 439 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI
Technology:
IPS LCD
TFT
Screen-to-body:
78.31 %
82.94 %
Features:
Scratch-resistant glass, Ambient light sensor, Proximity sensor
Proximity sensor
Hardware
System chip:
Qualcomm Snapdragon 450 SDM450
Samsung Exynos 850
Processor:
Octa-core, 1800 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, Arm Cortex-A55, 64-bit
GPU:
Adreno 506
Mali-G76
RAM:
4GB LPDDR3
3GB LPDDR4
Internal storage:
64GB, available to use: 49 GB
32GB (eMMC 5.1), available to use: 19.5 GB
Storage expansion:
microSDXC up to 2000 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (9.0 Pie, 8.1 Oreo)
Android (10), Samsung One UI
Battery
Capacity:
3000 mAh
5000 mAh
Type:
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
MediaTek Pump Express
Fast charging
Camera
Rear:
Single camera
Quad camera
Main camera:
16 MP (PDAF)
48 MP (PDAF)
Specifications:
Aperture size: F2.2; Sensor size: 1/3"; Pixel size: 1.12 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Second camera:
8 MP (Ultra-wide)
Specifications:
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Third camera:
2 MP (Macro)
Specifications:
Aperture size: F2.4
Fourth camera:
2 MP (Depth information)
Specifications:
Aperture size: F2.4
Video recording:
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
Features:
Picture-taking during video recording, Video light, Video calling, Video sharing
Front:
8 MP (HDR)
13 MP
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
5.66 x 2.73 x 0.33 inches (143.8 x 69.3 x 8.4 mm)
6.44 x 2.96 x 0.35 inches (163.7 x 75.3 x 8.9 mm)
Weight:
5.11 oz (145.0 g)
6.77 oz (192.0 g)
Resistance:
Water, Dust; IP68; MIL-STD-810 certified
Biometrics:
2D Face unlock, Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
Features:
Notification light
Keys:
Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Blue
Black, White, Blue, Red
Cellular
LTE (FDD):
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 66(AWS-3), 71(600)
Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
LTE (TDD):
Bands 38(2600), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
UMTS:
Bands 5(850), 4(1700/2100), 2(1900), 1(2100)
Bands 5(850), 8(900), 2(1900), 1(2100)
Data Speed:
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Yes
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
VoLTE:
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
Album art cover, Background playback
Screen mirroring:
DLNA, Wireless screen share
Wireless screen share
Radio:
FM
Additional microphone(s):
for Noise cancellation
Connectivity & Features
Bluetooth:
4.2
5.0
Wi-Fi:
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Features:
Mass storage device, OTG, Charging
Charging
Location:
GPS, A-GPS
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope
Other:
NFC, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync
NFC
Hearing aid compatible:
M4, T3
Regulatory Approval
Measured SAR:
Head:
0.36 W/kg
Body:
1.10 W/kg
Simultaneous Transmission:
1.46 W/kg
Wireless Router:
1.30 W/kg
Buyers information
Price:
€ 240
User Manual:
This is the official Samsung Galaxy A21s User Guide in English provided from the manufacturer.
Availability
Officially announced:
May 21, 2018
May 15, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless