Samsung Galaxy A21

Brand and model

Brand	Samsung
Model	Galaxy A21
Model alias	SM-A215U

Design

Colors	Black
Body materials	Plastic

SIM card

SIM card type	Nano-SIM (4FF — fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm)
Number of SIM cards	1
Features	Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) Dual SIM optional (A variant of the model with two SIM card slots is available)

Networks

GSM	GSM 850 MHz (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2)
UMTS	UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 1900 MHz (B2) UMTS 2100 MHz (B1)
LTE	LTE-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38)

Mobile network technologies and bandwidth

Mobile network technologies

UMTS (384 kbit/s ) EDGE HSPA+ LTE Cat 4 (51.0 Mbit/s , 150.8 Mbit/s )

Operating system

Operating system (OS)	Android 10
User interface (UI)	One UI 2.0

System on Chip (SoC)

SoC	MediaTek Helio P35 (MT6765)
Process technology	12 nm
CPU	4x 2.3 GHz ARM Cortex-A53, 4x 1.8 GHz ARM Cortex-A53
CPU bits	64 bit
Instruction set	ARMv8-A
CPU cores	8
CPU frequency	2300 MHz
GPU	PowerVR GE8320
GPU frequency	680 MHz
RAM capacity	3 GB
RAM type	LPDDR4X
RAM channels	Double channel
RAM frequency	1866 MHz

Storage

Storage	32 GB
	eMMC 5.1

Memory cards

Types

microSD microSDHC microSDXC

Display

Type/technology	Super AMOLED
Diagonal size	6.5 in 165.1 mm 16.51 cm
Width	2.67 in 67.75 mm 6.78 cm
Height	5.93 in 150.56 mm 15.06 cm
Aspect ratio	2.222:1
Resolution	720 x 1600 pixels
Pixel density	270 ppi 106 ppcm
Color depth	24 bit 16777216 colors
Other features	Capacitive Multi-touch Scratch resistant
	Infinity-O Display

Sensors

Sensors

Proximity Light Accelerometer Compass Gyroscope Fingerprint Hall

Rear camera

Sensor type	CMOS (complementary metal-oxide semiconductor)
Flash type	LED
Image resolution	4608 x 3456 pixels 15.93 MP
Video resolution	1920 x 1080 pixels 2.07 MP
Video FPS	30 fps
Features	Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode
	Secondary rear camera — 8 MP (ultra-wide angle) Aperture size — f/2.2 (#2) Third rear camera — 2 MP (macro) Fourth rear camera — 2 MP (depth-sensing)

Front camera

Aperture	f/2
Focal length and 35 mm equivalent	2.61 mm 25 mm *(35 mm / full frame)
Image resolution	4160 x 3120 pixels 12.98 MP
Video resolution	1920 x 1080 pixels 2.07 MP
Video FPS	30 fps
Features	Face unlock

Audio

Speaker

Loudspeaker Earpiece

Radio

Radio

Yes

Tracking / Positioning

Tracking / Positioning

GPS A-GPS GLONASS BeiDou

Wi-Fi

Wi-Fi

802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) Wi-Fi Hotspot Wi-Fi Direct

Bluetooth

Version	5.0
Features	A2DP (Advanced Audio Distribution Profile) AVRCP (Audio/Visual Remote Control Profile) DIP (Device ID Profile) HFP (Hands-Free Profile) HID (Human Interface Profile) HSP (Headset Profile) MAP (Message Access Profile) OPP (Object Push Profile) PAN (Personal Area Networking Profile) PBAP/PAB (Phone Book Access Profile) HOGP

USB

Connector type	USB Type-C
Version	2.0
Features	Charging Mass storage On-The-Go

Headphone jack

Headphone jack

Yes

Connectivity

Connectivity

Computer sync OTA sync Tethering NFC VoLTE

Browser

Browser

HTML HTML5 CSS 3

Audio file formats/codecs

Audio file formats/codecs

AAC (Advanced Audio Coding) AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga) AMR-WB (Adaptive Multi-Rate Wideband, .awb) eAAC+ / aacPlus v2 / HE-AAC v2 FLAC (Free Lossless Audio Codec, .flac) M4A (MPEG-4 Audio, .m4a) MIDI MP3 (MPEG-2 Audio Layer II, .mp3) OGG (.ogg, .ogv, .oga, .ogx, .spx, .opus) WMA (Windows Media Audio, .wma) WAV (Waveform Audio File Format, .wav, .wave)

Video file formats/codecs

Video file formats/codecs

3GPP (3rd Generation Partnership Project, .3gp) 3GPP2 (3rd Generation Partnership Project 2, .3g2) AVI (Audio Video Interleaved, .avi) Flash Video (.flv, .f4v, .f4p, .f4a, .f4b) H.263 H.264 / MPEG-4 Part 10 / AVC video H.265 / MPEG-H Part 2 / HEVC MKV (Matroska Multimedia Container, .mkv .mk3d .mka .mks) MP4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v) VC-1 VP8 VP9 WebM WMV (Windows Media Video, .wmv) WMV7 (Windows Media Video 7, .wmv) WMV8 (Windows Media Video 8, .wmv) Xvid

Battery

Capacity	4000 mAh
Type	Li-Polymer
Charger output power	5 V / 2 A 9 V / 1.67 A
Features	Fast charging Non-removable

Specific Absorption Rate (SAR)

Head SAR (EU)	0.23 W/kg (watts per kilogram)
Body SAR (EU)	1.38 W/kg (watts per kilogram)