Samsung Galaxy A31 Full Specifications BrandSamsungModelGalaxy A31 Release - date 24th March 2020 Dimensions (mm) - 159.30 x 73.10 x 8.60 Weight (g) - 185.00 Battery capacity - (mAh)5000 Removable battery - No Wireless charging - No Colours - Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White Display Screen size - (inches)6.40 Touchscreen - Yes Resolution - 1080x2400 pixels Hardware Processor - 2GHz octa-core (2x2GHz + 6x1.7GHz) RAM - 4GB Internal storage - 64GB Expandable storage - Yes Expandable storage - up to 512GB Camera Rear camera - 48-megapixel + 8-megapixel + 5-megapixel + 5-megapixel Rear autofocus - Yes Rear flash - Yes Front camera - 20-megapixel Software Operating system - Android 10 Wi-Fi - Yes GPS - Yes Bluetooth - Yes USB Type C - Yes Number of SIMs - 2 SIM 1 Type - Nano-SIM GSM/CDMA - GSM 3G - Yes 4G/ LTE - Yes SIM 2 Type - Nano-SIM GSM/CDMA - GSM 3G - Yes 4G/ LTE - Yes Face unlockYes Fingerprint sensorYes In-Display Fingerprint SensorYes Compass/ MagnetometerYes Proximity sensorYes AccelerometerYes Ambient light sensorYes