Display
Size:
5.5 inches
6.5 inches
Resolution:
1920 x 1080 pixels, 16:9 ratio, 401 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI
Technology:
IPS LCD
TFT
Screen-to-body:
67.47 %
82.94 %
Peak brightness:
625 cd/m2 (nit)
Features:
Pressure-sensitive, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor
Proximity sensor
Hardware
System chip:
Apple A11 Bionic APL1W72 (10 nm)
Samsung Exynos 850
Processor:
Hexa-core, 2390 MHz, Monsoon and Mistral, 64-bit
Octa-core, 8x 2.0GHz Cortex-A55, 64-bit
GPU:
Apple 3-core GPU
Mali-G76
RAM:
3GB LPDDR4
3GB LPDDR4
Internal storage:
256GB, not expandable
32GB (eMMC 5.1), available to use: 19.5 GB
Storage expansion:
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
iOS (15.x, 14.x, 13.x, 12.x, 11.x)
Android (10), Samsung One UI
Battery
Capacity:
2691 mAh
5000 mAh
Type:
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
USB Power Delivery, Qi wireless charging
Fast charging
Max charge speed:
Wired: 15.0W; Wireless: 7.5W
Camera
Rear:
Dual camera
Quad camera
Main camera:
12 MP (Sapphire crystal lens cover, OIS, PDAF, CMOS image sensor, BSI sensor)
48 MP (PDAF)
Specifications:
Aperture size: F1.8; Focal length: 28 mm; Sensor size: 1/3"; Pixel size: 1.22 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Second camera:
12 MP (Telephoto, Sapphire crystal lens cover, PDAF, CMOS image sensor, BSI sensor)
8 MP (Ultra-wide)
Specifications:
Optical zoom: 2.0x; Aperture size: F2.8; Focal Length: 56 mm; Sensor size: 1/3.4"; Pixel size: 1 μm
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
Flash:
Quad LED
LED
Video recording:
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD)
1920x1080 (Full HD) (30 fps)
Features:
OIS, Time-lapse video, Continuous autofocus, Picture-taking during video recording, Video light, Video calling, Video sharing
Front:
7 MP (HDR)
13 MP
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
6.24 x 3.07 x 0.30 inches (158.4 x 78.1 x 7.5 mm)
6.44 x 2.96 x 0.35 inches (163.7 x 75.3 x 8.9 mm)
Weight:
7.13 oz (202.0 g)
6.77 oz (192.0 g)
Materials:
Back: Glass; Frame: Aluminum
Resistance:
Water, Dust; IP67
Biometrics:
Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
Keys:
Left: Volume control, Other; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Gold, Silver, Red, Space gray
Black, White, Blue, Red
Cellular
4G (FDD):
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD):
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
3G:
Bands 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed:
LTE-A Cat 12/13 (600/150 Mbit/s), LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
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:
No 3.5mm jack
3.5mm jack
Speakers:
Earpiece, Multiple speakers
Earpiece, Loudspeaker
Screen mirroring:
Wireless screen share
Wireless screen share
Additional microphone(s):
for Noise cancellation
Connectivity & Features
Bluetooth:
5.0
5.0
Wi-Fi:
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB:
Lightning
Type-C (reversible), USB 2.0
Features:
Charging, Headphones port
Charging
Location:
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass, Barometer
Accelerometer, Gyroscope
Other:
NFC, UMA (Wi-Fi Calling)
NFC
Hearing aid compatible:
M3, T4
Buyers information
Price:
$ 949
€ 240
User Manual:
This is the official Samsung Galaxy A21s User Guide in English provided from the manufacturer.
In The Box:
EarPods with Lighting connector, Lightning to 3.5mm headphone jack adapter, Lightning to USB Cable, USB Power Adapter, Documentation
Availability
Officially announced:
Sep 12, 2017
May 15, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless