Display
Size:
4.0 inches
6.5 inches
Resolution:
1136 x 640 pixels, 326 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI
Technology:
IPS LCD
IPS LCD
Screen-to-body:
60.82 %
79.20 %
Peak brightness:
500 cd/m2 (nit)
Features:
Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor
60Hz refresh rate, Ambient light sensor, Proximity sensor
Hardware
System chip:
Apple A9 APL0898
Mediatek Helio P35
Processor:
Dual-core, 1840 MHz, Twister, 64-bit
Octa-core, 2300 MHz, Arm Cortex-A53, 64-bit, 12 nm
GPU:
PowerVR GT7600
PowerVR GE8320
RAM:
2GB
3GB LPDDR4
Internal storage:
128GB, not expandable
32GB (eMMC 5.1), available to use: 19.8 GB
Storage expansion:
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
iOS (14.x, 13.x, 12.x, 11.x, 10.x, 9.x)
Android (10), Samsung One UI
Battery
Capacity:
1624 mAh
4000 mAh
Type:
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Fast charging
Max charge speed:
Wired: 15.0W
Camera
Rear:
Single camera
Quad camera
Main camera:
12 MP (Sapphire crystal lens cover, Autofocus, BSI sensor)
16 MP (PDAF)
Specifications:
Aperture size: F2.2; Focal length: 29 mm; Sensor size: 1/3"; Pixel size: 1.22 μm
Aperture size: F1.8; Sensor size: 1/3.06"; Pixel size: 1 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:
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
1920x1080 (Full HD) (30 fps)
Features:
Time-lapse video, Continuous autofocus, Picture-taking during video recording, EIS, Video calling, Video sharing
Front:
1.2 MP (HDR)
13 MP
Video capture:
1280x720 (HD)
1920x1080 (Full HD)
Design
Dimensions:
4.87 x 2.31 x 0.30 inches (123.8 x 58.6 x 7.6 mm)
6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)
Weight:
3.99 oz (113.0 g)
6.81 oz (193.0 g)
Materials:
Back: Aluminum; Frame: Aluminum
Back: Plastic; Frame: Plastic
Biometrics:
Fingerprint (touch)
Fingerprint (touch)
Keys:
Left: Volume control, Other
Right: Volume control, Lock/Unlock key
Colors:
Gold, Silver, Rose gold, Space gray
Black
Cellular
LTE (FDD):
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 29(700 d)
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+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
UMTS:
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Data Speed:
LTE Cat 4 (150/50 Mbit/s), HSPA, HSUPA, UMTS
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
Yes
VoLTE:
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
Radio:
FM
Additional microphone(s):
for Noise cancellation, Video recording
Connectivity & Features
Bluetooth:
4.2
5.0
Wi-Fi:
802.11 b, g, n, ac, dual-band; Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB:
Lightning
Type-C (reversible), USB 2.0
Features:
Charging, Mass storage device
Charging
Location:
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass
Other:
NFC, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync, AirDrop
NFC
Hearing aid compatible:
M3, T4
M4, T3
Regulatory Approval
FCC approval:
Date approved:
Mar 21, 2016
Apr 17, 2020
Measured SAR:
Head:
1.16 W/kg
0.42 W/kg
Body:
1.17 W/kg
1.27 W/kg
Simultaneous Transmission:
1.59 W/kg
1.27 W/kg
Wireless Router:
1.17 W/kg
1.27 W/kg
Buyers information
Price:
$ 499
$ 250
In The Box:
This is the official Samsung Galaxy A21 User Guide in English provided from the manufacturer.
Availability
Officially announced:
Mar 21, 2016
Apr 08, 2020
