Description
| Physical features | Samsung Galaxy A31 |
| Model | Samsung A31 |
| Brand | Samsung |
| Release date | April, 2020 |
| Depth | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 73.1 x 159.3 millimeters (2.88 x 6.27 in) |
| Weight | 185 grams (6.48 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 A31 |
| Operating system | Android 10 |
| Firmware update | feature not registered |
| Hardware | Samsung Galaxy A31 |
| Chipset | 64bit – MediaTek MT6768 Helio P65 (12nm) |
| CPU processor | Octa-Core, 2 processors: 2Ghz Dual-Core ARM Cortex-A75 1.7Ghz Hexa-Core ARM Cortex-A55 |
| GPU graphical controller | ARM Mali-G52 MC2 820Mhz |
| RAM memory | 4GB LPDDR4X |
| Internal storage | 128GB (104GB user free) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) |
| Display | Samsung Galaxy A31 |
| Display type | Super AMOLED |
| Screen size | 6.4″ inches |
| Screen-to-body ratio | ~84.9% (screen-to-body ratio) |
| Display resolution | 1080×2400 pixels |
| Touchscreen | Capacitive Multitouch |
| Pixel density (dot pitch) | 411 PPI |
| Colors | 16 million |
| Scratch-resistant glass | Not supported |
| Display features | feature not registered |
| Mobile networks | Samsung Galaxy A31 |
| Dual-SIM | Dual SIM Standby – Call active on one sim card (dedicated slot) |
| SIM card | 2 slots Dual-SIM nano-SIM (4FF) |
| Maximum download/upload | 150/50 Mbps |
| Network technology | 2G, 3G, 4G |
| Frequency, bands | Expand band details |
| Calling | Samsung Galaxy A31 |
| Messaging | SMS (T9), MMS, E-mail, Push mail |
| Speakerphone | Supported |
| Video calling | Supported |
| Call control | Voice dialing, Voice recorder, Voice commands |
| Camera | Samsung Galaxy A31 |
| Back camera (main camera) | (quad camera) • 48 megapixels • 8MP ultrawide (f/2.2 13mm 1/4.0″ 1.12µm) • 5MP macro (f/2.4) • 5MP depth sensor (f/2.4) |
| Main camera resolution | 8000×6000 pixels |
| Video recording (primary) | Full HD (1920×1080) 30 fps |
| Flash | LED flash |
| Focal aperture | f/2.0 (aperture) |
| Focal length | 26mm lens |
| Sensor size | 1/2″ inches |
| Pixel size | 0.8µm 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 A31 |
| Front camera (secondary) | 20 megapixels |
| Front camera resolution | 5184×3840 pixels |
| Video recording (secondary) | Full HD (1920×1080) |
| Front flash | Not supported |
| Focal aperture | f/2.2 (aperture) |
| Focal length | feature not registered |
| Sensor size | feature not registered |
| Pixel size | feature not registered |
| Multimedia | Samsung Galaxy A31 |
| 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 A31 |
| USB | USB 2.0 Type-C, USB OTG On-The-Go |
| TV output | Not supported |
| Audio output | 3.5mm jack |
| Bluetooth | 5.0 version A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz) |
| DLNA | Not supported |
| NFC | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| Infrared port | Not supported |
| Other functions | Samsung Galaxy A31 |
| Active noise cancellation | Supported |
| Vibrating alert | Supported |
| Ringtones | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 |
| Java / Flash player | Not supported |
| Sensors | Accelerometer Compass Ambient Light Gyroscope Face unlock Fingerprint (under display) |
| Other features | – Colors: Prism Black, Prism Blue, Prism Red, Prism White – One UI 2.0 – 20:9 display – WiFi direct, hotspot |
| Power supply | Samsung Galaxy A31 |
| Battery | LiPo – Li-Ion polymer (Non removable) 15W |
| Battery capacity | 5000 mAh |
| Charger, watts | • Fast battery charging |
| Talk time autonomy | feature not registered |
| Standby | feature not registered |
| Radiation rate | Samsung Galaxy A31 |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.488W/kg (head) | 1.68W/kg (body) |
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