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Samsung Galaxy A31 4GB/128GB (Dual SIM, AU Model)


4 in stock

Quick Specs:

  • Display: 6.4 inches, Super AMOLED
  • OS: Android 10, One UI 2.5
  • Chipset: Mediatek MT6768 Helio P65 (12nm)
  • CPU: Octa-core (2×2.0 GHz Cortex-A75 & 6×1.7 GHz Cortex-A55)
  • GPU: Mali-G52 MC2
  • Memory: 128GB 4GB RAM
  • Camera: 48+8+5+5MP/20MP
  • Battery: Li-Po 5000 mAh, Fast charging 15W

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Samsung Galaxy A31 4G (Au Stock): Overview

Samsung launched the Samsung Galaxy A31 5G in January 2020. The latest product from Samsung, features Super AMOLED, Octa-core CPU, quad camera system, 128GB Storage, 4GB RAM, Mali-G52 MC2, and more. The phone flaunts elegance in Prism Crush Black, Prism Crush Blue, Prism Crush Red, and Prism Crush White. Let us jump into the details.


Samsung Galaxy A31 4g has a beautifully constructed body with dimensions of 159.3 x 73.1 x 8.6 mm. It supports Dual SIM (Nano-SIM and/or eSIM, dual stand-by). Plastic back weighs about 185 grams with the aluminum frame. The device is not IP68 dust/water resistant. [Galaxy S21]


The display system has a 6.4 inches Super AMOLED capacitive touchscreen, which supports millions colors depth. You can almost not feel the bezels with an 84.9% screen-to-body ratio. There is 1080 x 2400 pixels resolution on the display system with an aspect ratio of 20:9. You will enjoy the 411 PPI density.


Samsung Galaxy A31 4goperates on an Android 10, One UI 2.5. Mediatek MT6768 Helio P65 (12nm) chipset and Octa-core (2×2.0 GHz Cortex-A75 & 6×1.7 GHz Cortex-A55) CPU go well with Mali-G52 MC2 GPU. You will get 64/128GB of eMMC 5.1 storage with 4/6/8GB RAM for your files and applications. The internal storage is expandable with a dedicated card slot.


Samsung Galaxy A31 4g has a quad-camera system that includes 48 MP wide, 8 MP ultrawide, 5 MP macro, and 5 MP depth cameras. You can shoot up to 1080p videos up to 30fps with the rear camera system. The videos will get gyro-EIS and but no stereo support in the sound records. You also get a 20MP on the front camera with HDR support. The camera can shoot up to 1080p videos at 30fps.

Battery & Sound:

Samsung Galaxy A31 has a Non-removable Li-Po 5000 mAh battery. The battery system supports Fast charging 15W.

There are loudspeakers on the phone but do have stereo support. You get high-quality sound audio output and also the 3.5 mm jack port for external sound devices.

Official Site

This is an International Model

EAN: 8806090425165 SKU: SMGALAXYA31AU Categories: , , Tags: ,
Weight0.34 kg
Dimensions15 × 10 × 8 cm



Black, Blue


2G bandsGSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2 (dual-SIM model only)
3G bandsHSDPA 850 / 900 / 1900 / 2100 – SM-A315F
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 – SM-A315G
4G bands1, 2, 3, 5, 7, 8, 20, 38, 40, 41 – SM-A315F
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 – SM-A315G
SpeedHSPA 42.2/5.76 Mbps, LTE-A
LAUNCHAnnounced2020, March 24
StatusAvailable. Released 2020, April 27
BODYDimensions159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)
Weight185 g (6.53 oz)
SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Size6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio)
Resolution1080 x 2400 pixels, 20:9 ratio (~411 ppi density)
PLATFORMOSAndroid 10, One UI 2.5
ChipsetMediatek MT6768 Helio P65 (12nm)
CPUOcta-core (2×2.0 GHz Cortex-A75 & 6×1.7 GHz Cortex-A55)
GPUMali-G52 MC2
MEMORYCard slotmicroSDXC (dedicated slot)
Internal128GB 4GB RAM
eMMC 5.1
MAIN CAMERAQuad48 MP, f/2.0, 26mm (wide), 1/2.0″, 0.8µm, PDAF
8 MP, f/2.2, 123˚, (ultrawide), 1/4.0″, 1.12µm
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
FeaturesLED flash, panorama, HDR
SELFIE CAMERASingle20 MP, f/2.2, (wide)
3.5mm jackYes
COMMSWLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, LE
NFCYes (market/region dependent)
RadioFM radio, RDS, recording
USBUSB Type-C 2.0, USB On-The-Go
FEATURESSensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compass
BATTERYTypeLi-Po 5000 mAh, non-removable
ChargingFast charging 15W
MISCColorsPrism Crush Black
ModelsSM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N
SAR EU0.49 W/kg (head)     1.68 W/kg (body)
Price$ 345
TESTSPerformanceAnTuTu: 151815 (v8)
GeekBench: 5096 (v4.4), 1216 (v5.1)
GFXBench: 7fps (ES 3.1 onscreen)
DisplayContrast ratio: Infinite (nominal)
CameraPhoto / Video
Loudspeaker-30.9 LUFS (Below average)
Battery life
Endurance rating 124h

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