General
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Device TypeSmartphone
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BrandSamsung
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ModelGalaxy A31
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StatusDiscontinued
Network
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TechnologyGSM / HSPA / LTE
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2G NetworkGSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2
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3G NetworkHSDPA 850 / 900 / 1900 / 2100
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4G Network1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66
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SpeedHSPA 42.2/5.76 Mbps, LTE-A
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GPRS
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EDGE
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SIMDual SIM (Nano-SIM, dual stand-by)
Performance
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Operating SystemAndroid 10, One UI 2.0
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ChipsetExynos 9611 (10nm)
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CPUOcta-core (4×2.3 GHz Cortex-A73 & 4×1.7 GHz Cortex-A53)
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GPUMali-G72 MP3
Display
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Display TypeSuper AMOLED Display
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Size6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio)
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Resolution1080 x 2340 pixels, 19.5:9 ratio
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Display Colors16M colors
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Pixel Density~403 ppi density
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Touch ScreenCapacitive touchscreen
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Display ProtectionCorning Gorilla Glass 3
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Multitouch
Design
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Dimensions159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)
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Weight191 g (6.74 oz)
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ColorsBlack, Blue
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BuildPrism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Storage
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Internal Storage64/128 GB (ROM)
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Card SlotmicroSDXC (dedicated slot)
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RAM (Memory)6 GB (RAM)
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USB OTG Support
Main Camera
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Resolution48 MP, f/2.0, 26mm (wide), 1/2.0″, 0.8µm, PDAF
12 MP, f/2.2, 123˚ (ultrawide)
5 MP, f/2.4, (macro)
5 MP, f/2.2, (depth) -
Image Resolution8000 x 6000 Pixels
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Autofocus
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FlashLED flash
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FeaturesDigital Zoom, Auto Flash, Face detection, Touch to focus
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Video Resolution2160p @30fps, 3840×2160 pixels
Selfie Camera
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Resolution32 MP, f/2.0, 26mm (wide), 1/2.8″, 0.8µm
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FeaturesHDR
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Video
Multimedia
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FM Radio
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Loudspeaker
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Alert TypesVibration, MP3, WAV ringtones
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Ring TonesYes
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3.5mm jackYes
-Active noise cancellation with dedicated mic
Connectivity
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WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
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Bluetooth5.0, A2DP, LE
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GPSYes, with A-GPS, GLONASS, BDS
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Infrared
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Wi-fi Hotspot
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NFC
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USB2.0, Type-C 1.0 reversible connector
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USB Type-C
Features
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SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compass
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MessagingSMS(threaded view), MMS, Email, IM
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BrowserHTML5
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Java Support
Battery
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Battery TypeLi-Poly (Lithium Polymer)
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Capacity4,000 mAh
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Wireless Charging
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Charging15W Fast charger
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Quick Charging
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PlacementNon-removable
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