Samsung Galaxy A31

Dimensions: 159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)
Weight: 185 g (6.53 oz)
SIM: Nano-SIM Nano-SIM + Nano-SIM

Type: Super AMOLED
Size: 6.4 inches, 98.9 cm 2 (~84.9% screen-to-body ratio)
Resolution: 1080 x 2400 pixels, 20:9 ratio (~411 ppi density)

OS: Android 10, upgradable to Android 12, One UI 4.1
Chipset: Mediatek MT6768 Helio P65 (12 nm)
CPU: Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPU: Mali-G52 MC2

Card slot: microSDXC (dedicated slot)
Internal: 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
eMMC 5.1

Quad: 48 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)
Features: LED flash, panorama, HDR
Video: 1080p@30fps

Single: 20 MP, f/2.2, (wide)
Video: 1080p@30fps

Loudspeaker: Yes
3.5mm jack: Yes

Technology: GSM / HSPA / LTE
2G bands: GSM 850 / 900 / 1800 / 1900
3G bands: HSDPA 850 / 900 / 1900 / 2100 - SM-A315F
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - SM-A315G
4G bands: 1, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F
Speed: HSPA, LTE

Sensors: Fingerprint (under display, optical), accelerometer, gyro, compass
Virtual proximity sensing

Type: Li-Po 5000 mAh
Charging: 15W wired

Colors: Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Models: SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N

Performance: AnTuTu: 151815 (v8) GeekBench: 5096 (v4.4), 1216 (v5.1) GFXBench: 7fps (ES 3.1 onscreen)
Display: 635 nits max brightness (measured)
Camera: Photo / Video
Loudspeaker: -30.9 LUFS (Below average)
Battery (old): Endurance rating 124h