Galaxy M31 features a quad-camera set-up with a 64MP primary camera supported by an 8MP ultra-wide-angled and two similar 2MP lenses. The camera features of the handset comprise of 8x Digital Zoom, HDR, panorama and portrait modes. Accompanied by an Exmor RS sensor, the front fascia sports a 32MP shooter embedded in the waterdrop notch design of the device.

BODY Dimensions 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)

Weight 191 g (6.74 oz)

Build Glass front (Gorilla Glass 3), plastic back, plastic frame

SIM Dual SIM (Nano-SIM, dual stand-by)

DISPLAY Type Super AMOLED capacitive touchscreen, 16M colors

Size 6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio)

Resolution 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)

Protection Corning Gorilla Glass 3

PLATFORM OS Android 10, One UI 2.0

Chipset Exynos 9611 (10nm)

CPU Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)

GPU Mali-G72 MP3

MEMORY Card slot microSDXC (dedicated slot)

Internal 64GB 6GB RAM

  UFS 2.1

MAIN CAMERA Triple 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF

8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm

5 MP, f/2.4, (macro)

5 MP, f/2.2, (depth)

Features LED flash, panorama, HDR

Video [email protected], [email protected], gyro-EIS

SELFIE CAMERA Single 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm

Features HDR

Video [email protected], [email protected]

SOUND Loudspeaker Yes

3.5mm jack Yes

COMMS WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

Bluetooth 5.0, A2DP, LE

GPS Yes, with A-GPS, GLONASS, GALILEO, BDS

NFC Yes (market/region dependent): SM-M315F/DSN

Radio FM radio, RDS, recording

USB 2.0, Type-C 1.0 reversible connector

FEATURES Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

BATTERY Type Li-Po 6000 mAh, non-removable

Charging Fast charging 15W

MISC Colors Ocean Blue, Space Black, Red

Models SM-M315F, SM-M315F/DS, SM-M315F/DSN

SAR 0.52 W/kg (head)     0.69 W/kg (body)    

SAR EU 0.48 W/kg (head)     1.13 W/kg (body)