Background Information

The Samsung Galaxy A31 is a mid-range Android device released by Samsung in April 2020. as a part of the A-Series lineup. It was initially announced on March 24, 2020, as a successor to the Galaxy A30 and A30s.

Specs

Processor

  • CPU Speed: 1.7GHz, 2 GHz
  • Core Count: Octa-Core (8 Cores)

Display

  • Screen Size: 162.1 mm
  • Resolution: 1080 x 2400 (FHD+)
  • Technology: Super AMOLED
  • Color Depth: 16M

Rear Camera

  • Resolution: 48.0 MP + 5.0 MP + 8.0 MP + 5.0 MP
  • Auto Focus: Yes
  • Zoom: Digital Zoom (8x)
  • F-Number: F2.0, F2.4, F2.2, F2.4
  • OIS: No
  • Flash: Yes
  • Video Recording Resolution: FHD (1920 x 1080) @ 30fps

Front Camera

  • Resolution: 20.0 MP
  • Auto Focus: No
  • F-Number: F2.2
  • Flash: No

Memory

  • RAM Size: 6 GB
  • ROM Size: 128 GB
  • Available Memory: 104.6 GB
  • External Memory Support: MicroSD (Up to 512 GB)

Network

  • Number of SIM: Dual-SIM
  • SIM Slot Type: SIM 1 + SIM 2 + MicroSD
  • SIM Size: Nano-SIM (4FF)
  • Infra: 2G GSM, 3G WCDMA, 4G LTE FDD, 4G LTE TDD
  • 2G GSM: GSM850, GSM900, DCS1800, PCS1900
  • 3G UMTS: B1 (2100), B2 (1900), B4 (AWS), B5 (850), B8 (900)
  • 4G FDD LTE: B1 (2100), B2 (1900), B3 (1800), B4 (AWS), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B20 (800), B28 (700), B66 (AWS-3)
  • 4G TDD LTE: B38 (2600), B40 (2300), B41 (2500)

Connectivity

  • ANT+: No
  • USB Version: USB 2.0
  • Headphone Jack: 3.5mm Stereo
  • Wi-Fi: 802.11 a / b / g / n / ac 2.4+5GHz
  • Wi-Fi Direct: Yes
  • Bluetooth: Bluetooth 5.0
  • PC Sync: Smart Switch (PC version)
  • Interface: USB Type-C
  • Location Technology: GPS, Glonass, Beidou, Galileo
  • MHL: No
  • NFC: Yes

Software

  • Operating System: Android 10
  • User Interface: Custom One UI 2.1

General Information

  • Form Factor: Touch Bar
  • Dimensions (H x W x D): 159.3 mm, 73.1 mm, 8.6 mm
  • Weight: 185 g

Sensors

  • Accelerometer
  • Fingerprint Sensor (In Screen)
  • Gyro Sensor
  • Geomagnetic Sensor
  • Light Sensor
  • Virtual Proximity Sensing

Battery

  • Internet Usage: 20 hours on LTE and Wi-Fi
  • Video Playback: 22 hours
  • Talk Time: 33 hours on 4G LTE
  • Audio Playback Time: 97 Hours
  • Battery Capacity: 5000 mAh

Audio and Video

  • Stereo Support: No
  • Video Playing Resolution: FHD (1920 x 1080) @ 60fps
  • Video Playing Format: MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM
  • Audio Playing Format: MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA