Samsung Galaxy M31 128GB ROM Price in Hong Kong 2025 Specs & Features

BASIC INFO

Brand

Samsung

Model

Galaxy M31

Status

Available

Release date

2020, February 25

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)

Colors

Ocean Blue, Space Black, Red

Body Material

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

SIMs

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

Water & Dust

-

DISPLAY

Size

6.4 inches

Type

Super AMOLED capacitive touchscreen, 16M colors

Resolutions

1080 x 2340 pixels, 19.5:9 ratio 

PPI

403 ppi density

Multi touch

Yes

Protection

-

NETWORKS

2G

GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2

3G

HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100

4G

1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66

5G

No

Speed

HSPA 42.2/5.76 Mbps, LTE-A

GPRS

Yes

EDGE

Yes

CAMERA

Rear Quad

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, HDR, panorama

Videos

4K@30fps, 1080p@30fps, gyro-EIS

Front

32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
HDR
4K@30fps, 1080p@30fps

HARDWARE

OS

Android 10, One UI 2.0

Chipset

Exynos 9611 (10 nm)

CPU

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

GPU

Mali-G72 MP3

RAM

6GB 

Storage

128GB

Card Slot

microSDXC (dedicated slot)

BATTERY

Type

Li-Po

Capacity

6000 mAh

Removable

Non-Removable

Talk Time

N/A

Stand By

N/A

Fast Charging

Fast battery charging 15W

WirelessCharging

No

COMMONS

Sound

3.5mm Audio Jeck, MP3

Sensors

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

Bluetooth

5.0, A2DP, LE

GPS

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

USB

2.0, Type-C 1.0 reversible connector

Wi Fi

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