Overview

- Release date: 2020, August
- Known as Samsung Galaxy M31s
- Android 10
- Size of 159.3 x 74.4 x 9.3 mm
- 203 grams

Display

- 6.5" FullHD 20:9 resolution (2400 x 1080)
- Super AMOLED
- Screen-to-body ratio: ~86.1%
- 405 ppi density
- Corning Gorilla Glass 3

Memory

- 128 GB mass storage
- Expandable with microSD up to 512 GB
- 6 / 8 GB RAM (LPDDR4X, 1600 MHz)

Battery

- Non-removable 6000 mAh battery
- (?) hours talk time (3G)

Sensors

✔ Gyroscope
✔ Accelerometer
✔ Proximity
✔ Compass
❌ Barometer

Processor

- Samsung Exynos 9611 (4 Cortex-A73 up to 2.3 GHz + 4 Cortex-A53 up to 1.7 GHz)
- GPU: Mali-G72 MP3

Cameras

- 64 MP (f/1.8 and sensor size 1/1.72"), 12 MP (f/2.2), 5 MP (f/2.4) and 5 MP (f/2.4) main cameras
- 32 MP (f/2.2 and sensor size 1/2.8") front

✔ Image Stabilizer
✔ Main LED flash
❌ Front LED flash

Sound

- Loudspeaker(s): Mono
- Microphone(s): Stereo

Connectivity

- Supports LTE-A up to 300 Mbps
- Bluetooth 5
- Wi-Fi 802.11 a/b/g/n/ac

✔ Headphone jack
✔ Type-C USB 3.2
✔ OTG USB
✔ FM Radio
✔ NFC
❌ eSIM

· 2G networks
850 / 900 / 1800 / 1900
· 3G networks
850 / 900 / 1700 / 1900 / 2100
· 4G networks
1 / 2 / 3 / 4 / 5 / 7 / 8 / 12 / 17 / 20 / 26 / 28 / 38 / 40 / 41 / 66

Additional features

- Dual SIM version
- Fast battery charging
- Fingerprint reader
- Reverse charging