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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
