Display
Size:
6.5 inches
6.5 inches
Resolution:
2340 x 1080 pixels, 19.5:9 ratio, 396 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI
Technology:
IPS LCD
IPS LCD
Screen-to-body:
82.75 %
79.20 %
Colors:
16 777 216
Features:
Ambient light sensor, Proximity sensor
60Hz refresh rate, Ambient light sensor, Proximity sensor
Hardware
System chip:
HiSilicon Kirin 710
Mediatek Helio P35
Processor:
Octa-core, 2200 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 12 nm
Octa-core, 2300 MHz, Arm Cortex-A53, 64-bit, 12 nm
GPU:
Mali-G51 MP4
PowerVR GE8320
RAM:
4GB
3GB LPDDR4
Internal storage:
64GB
32GB (eMMC 5.1), available to use: 19.8 GB
Storage expansion:
microSDXC up to 128 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (8.1 Oreo), Huawei Emotion UI
Android (10), Samsung One UI
Battery
Capacity:
4000 mAh
4000 mAh
Type:
Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Fast charging
Max charge speed:
Wired: 15.0W
Camera
Rear:
Dual camera
Quad camera
Main camera:
13 MP (PDAF)
16 MP (PDAF)
Specifications:
Aperture size: F1.8
Aperture size: F1.8; Sensor size: 1/3.06"; Pixel size: 1 μm
Second camera:
2 MP (Depth information)
8 MP (Ultra-wide)
Specifications:
Aperture size: F2.4
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:
Video calling, Video sharing
Front:
16 MP (Dual-Camera)
13 MP
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
6.39 x 3.04 x 0.32 inches (162.4 x 77.1 x 8.05 mm)
6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)
Weight:
6.10 oz (173.0 g)
6.81 oz (193.0 g)
Materials:
Back: Plastic; Frame: Plastic
Biometrics:
Fingerprint (touch)
Fingerprint (touch)
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Black, Purple, Blue
Black
Cellular
LTE (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), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
LTE (TDD):
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
UMTS:
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Data Speed:
LTE, HSPA, HSUPA
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type:
Nano SIM
HD Voice:
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
Album art cover, Background playback
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
FM
Additional microphone(s):
for Noise cancellation
Connectivity & Features
Bluetooth:
Yes
5.0
Wi-Fi:
802.11 b, g, n; Wi-Fi Direct
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB:
microUSB, USB 2.0
Type-C (reversible), USB 2.0
Features:
Mass storage device, Charging
Charging
Location:
GPS, A-GPS, Glonass
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass
Other:
VoIP, Tethering, Computer sync, OTA sync
NFC
Hearing aid compatible:
M4, T3
Phone features
Notifications:
Haptic feedback, Music ringtones, Vibration
Other features:
Voice dialing, Voice commands, Voice recording
Regulatory Approval
FCC approval:
Date approved:
Apr 17, 2020
FCC ID value:
ZCASMA215U
Measured SAR:
Head:
0.42 W/kg
Body:
1.27 W/kg
Simultaneous Transmission:
1.27 W/kg
Wireless Router:
1.27 W/kg
Buyers information
Price:
$ 250
In The Box:
Charger, USB Cable, Quick Start Guide, Eject tool, TPU Protective case, TP protective film (attached on the phone before delivery)
This is the official Samsung Galaxy A21 User Guide in English provided from the manufacturer.
Availability
Officially announced:
Oct 01, 2018
Apr 08, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless