Overview

- Release date: 2020, March
- Known as Samsung Galaxy M31
- Android 10 (Q)
- Size of 159.2 x 75.1 x 8.9 mm
- 191 grams

Display

- 6.4" FullHD 19.5:9 resolution (2340 x 1080)
- Super AMOLED
- Screen-to-body ratio: ~83.6%
- 402 ppi density

Memory

- 64 / 128 GB mass storage
- Expandable with microSD up to 256 GB
- 6 GB RAM (LPDDR4, 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"), 8 MP (f/2.2 and sensor size 1/4"), 5 MP (f/2.2 and sensor size 1/5") and 5 MP (f/2.2) main cameras
- 32 MP (f/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 Pro up to 600 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 / 1900 / 2100
· 4G networks
800 / 850 / 900 / 1800 / 1900 / 2100 / 2300 / 2500

Additional features

- Dual SIM version
- Fast battery charging
- Fingerprint reader