Physical features | Samsung Galaxy A21 |
Model | |
Other model names | Galaxy A21 SM-A215UZKAXAA (USA Unlocked) |
Country or region available |  USA |
Brand | Samsung |
Release date | June, 2020 |
Depth | 8.1 millimeters (0.32 inches) |
Size (width x height) | 76.7 x 167.8 millimeters (3.02 x 6.61 in) |
Weight | 193 grams (6.76 ounces) |
Qwerty physical keyboard | Not supported |
Antenna | Internal antenna |
Build, materials | Plastic body, glass front |
Protection against water and others | Not supported |
System (OS) | Samsung Galaxy A21 |
Operating system | Android 10 |
Firmware update | feature not registered |
Hardware | Samsung Galaxy A21 |
Chipset | 64bit - MediaTek MT6765 Helio P35 (12nm) |
CPU processor | Octa-Core, 2 processors: 2.3Ghz Quad-Core ARM Cortex-A53 1.8Ghz Quad-Core ARM Cortex-A53 |
GPU graphical controller | PowerVR GE8320 680Mhz |
RAM memory | 3GB LPDDR3 |
Internal storage | 32GB (20GB available) eMMC 5.1 |
External storage | Until 512GB microSD, microSDXC (dedicated slot) |
Display | Samsung Galaxy A21 |
Display type | TFT PLS |
Screen size | 6.5" inches |
Screen-to-body ratio | ~79.3% (screen-to-body ratio) |
Display resolution | 720x1600 pixels (20:9) |
Touchscreen | Capacitive Multitouch |
Pixel density (dot pitch) | 270 PPI |
Colors | 16 million |
Scratch-resistant glass | Not supported |
Display features | 60Hz |
Mobile networks | Samsung Galaxy A21 |
Dual-SIM | Not supported |
SIM card | 1 slot (Single-SIM) nano-SIM (4FF) |
Maximum download/upload | 150/50 Mbps |
Network technology | 2G, 3G, 4G |
Frequency, bands | Expand band detailsCollapse details |
GSM Mhz band | Quad-Band 850/900/1800/1900 |
Primary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 |
Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71) TD-LTE (38, 39, 40, 41) VoLTE |
Primary 5G network | Not supported |
Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
Secondary 2G network | Not supported |
Secondary 3G network | Not supported |
Secondary 4G network | Not supported |
Secondary data network | Not supported |
Calling | Samsung Galaxy A21 |
Messaging | SMS (T9), MMS, E-mail, Push mail |
Speakerphone | Supported |
Video calling | Supported |
Call control | Voice dialing, Voice recorder, Voice commands |
Camera | Samsung Galaxy A21 |
Back camera (main camera) | (quad camera) 16 megapixels 8MP ultrawidef/2.21/4.0"1.12µm 2MP macrof/2.4 2MP depthf/2.4 |
Main camera resolution | 4608x3456 pixels |
Video recording (primary) | Full HD (1920x1080) 30 fps |
Flash | LED flash |
Focal aperture | f/1.8 (aperture) |
Focal length | feature not registered |
Sensor size | 1/3.06" inches |
Pixel size | 1µm pixel |
Autofocus | PDAF: phase detection autofocus |
Touch focus | Supported |
Image stabilization | EIS: Digital stabilization |
Zoom | Only digital zoom |
Face/smile detection | Face detection, Smile detection |
BSI sensor | Not supported |
HDR | HDR photo on both cameras |
2ª camera | Samsung Galaxy A21 |
Front camera (secondary) | 13 megapixels |
Front camera resolution | 4128x3096 pixels |
Video recording (secondary) | Full HD (1920x1080) |
Front flash | Not supported |
Focal aperture | f/2.0 (aperture) |
Focal length | feature not registered |
Sensor size | feature not registered |
Pixel size | 1.12µm pixel |
Multimedia | Samsung Galaxy A21 |
Radio | FM |
TV | Not supported |
Video formats | MP4, H.265, H.264, H.263, XviD, MKV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC |
Connectivity | Samsung Galaxy A21 |
USB | USB 2.0 Type-C reversible connector |
TV output | Not supported |
Audio output | 3.5mm jack |
Bluetooth | 5.0 + A2DP/LE |
WiFi | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO |
DLNA | Not supported |
NFC | Supported |
GPS | A-GPS, GeoTagging, GLONASS |
Infrared port | Not supported |
Other functions | Samsung Galaxy A21 |
Active noise cancellation | Supported |
Vibrating alert | Supported |
Ringtones | Polyphonic and customized |
Web browser | HTML, XHTML, HTML5 |
Sensors | Accelerometer Proximity sensor Compass Ambient Light sensor Gyroscope Face unlock Fingerprint sensor (rear-mounted)
|
Other features | - Colors: Black - One UI 2.0 - WiFi direct, hotspot |
Power supply | Samsung Galaxy A21 |
Battery | LiPo: Li-Ion polymer (Non removable) |
Battery capacity | 4000 mAh |
Charger, watts | 15W Fast battery charging |
Talk time autonomy | feature not registered |
Standby | feature not registered |
Radiation rate | Samsung Galaxy A21 |
SAR 1.6W/kg (USA, Mexico, etc.) | 0.6W/kg (head) | 1.27W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | feature not registered |