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Samsung Galaxy A31
Samsung Galaxy A31 photo gallery
6.4" FHD+ Super AMOLED
MediaTek MTK6768 Octa-Core
48MP + 8MP + 5MP + 5MP
20MP Front Camera
4GB / 6GB RAM + 64GB / 128GB
5000mAh Battery
15W Fast Charging
microSD up to 512GB
On-screen Fingerprint
4G LTE
Infinity-U Display
Prism Crush Colors
Samsung Galaxy A31
6.4" FHD+ Super AMOLED
Resolution: 1080 x 2400, 20:9 aspect ratio
Infinity-U Display design
MediaTek MTK6768 Octa-Core
CPU: Dual 2.0 GHz + Hexa 1.7 GHz
Octa-core processor
48MP Quad Rear Camera
Main: 48MP F2.0, Ultra-wide: 8MP F2.2 123°, Macro: 5MP F2.4, Depth: 5MP F2.4
Front: 20MP F2.2 with Live Focus support
5000mAh Battery
Typical capacity; rated minimum 4,860 mAh
15W Fast Charging support
4G LTE Connectivity
4G LTE, 3G, 2G support
Wi-Fi, Bluetooth, NFC/MST (Samsung Pay)
4GB / 6GB RAM + 64GB / 128GB
microSD slot supports up to 512GB expansion
Availability may vary by region
Timeline & Regional Availability
The Samsung Galaxy A31 (SM-A315 family) was introduced in mid-2020 with varying regional launch dates and pricing. No single global announcement or MSRP was captured in the provided sources; instead, availability rolled out across select markets.
- South Africa: Available from 15 May 2020.
- Malaysia: Available from 6 June 2020 at an RRP of RM 1,099.
- Spain: Launch price set at EUR 299.
- Model family: SM-A315, with official support variant SM-A315F/DS.
- Regional SKUs: SM-A315FZBVXSG (support code) and SM-A315F/DS.
Body & Build
The Galaxy A31 features a slim, polished design with a glass front and plastic back, available in four Prism Crush colors. Regional colour availability may vary.
- Dimensions: 159.3 x 73.1 x 8.6 mm (height x width x depth)
- Weight: 185 g
- Colours: Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White (regional selection varies; e.g., South Africa only lists Black and Blue)
- Build: Touchscreen bar form factor with Infinity-U display notch
Display System
The Galaxy A31 sports one of the standout features in its class: a 6.4-inch FHD+ Super AMOLED panel with an Infinity-U cutout for the front camera. The screen delivers vibrant colours and deep blacks typical of AMOLED technology.
- Type: Super AMOLED, Infinity-U Display
- Size: 6.4 inches measured diagonally (full rectangle, not accounting for rounded corners)
- Resolution: 1080 x 2400 (FHD+)
- Aspect Ratio: 20:9
- Features: Always-on Display support (via software), high contrast and colour reproduction
Camera System
The Galaxy A31 packs a quad-camera array on the rear, offering versatility from ultra-wide shots to close-up macro photography. The 20MP front camera supports Live Focus for portrait selfies.
- Rear Quad Camera:
- Main: 48 MP, F2.0 aperture
- Ultra-wide: 8 MP, F2.2, 123° field of view
- Macro: 5 MP, F2.4
- Depth: 5 MP, F2.4
- Front Camera: 20 MP, F2.2 aperture, supports Live Focus (Samsung Newsroom South Africa)
- Additional Features: Digital zoom, video recording at FHD (1920 x 1080) @30fps
Platform & Software
Under the hood, the Galaxy A31 is powered by a MediaTek MTK6768 octa-core processor, paired with 4GB or 6GB of RAM. The device runs Android with Samsung’s One UI skin, though the exact launch OS version is not confirmed in the source.
- Processor: MediaTek MTK6768, Octa-Core (Dual 2.0 GHz + Hexa 1.7 GHz)
- Memory: 4 GB / 6 GB RAM
- Storage: 64 GB / 128 GB internal (expandable via microSD up to 512 GB)
- Software: Android with One UI; manuals available for Android 10, 11, and 12 (confirms update support)
- Security: On-screen fingerprint sensor, Face recognition (as per Samsung Newsroom Spain)
- Platform Features: Samsung Knox security, Samsung Pay (NFC/MST regional), Dolby Atmos audio, Game Booster, Frame Booster
Key Features & Multimedia
The Galaxy A31 includes a suite of multimedia and productivity features common to Samsung’s midrange lineup, supporting immersive audio and gaming enhancements.
- Audio: Dolby Atmos support (Samsung Newsroom Malaysia)
- Gaming: Game Booster and Frame Booster (Samsung Newsroom South Africa)
- Biometrics: On-screen fingerprint sensor, Face recognition
- Payments: Samsung Pay with NFC/MST (availability depends on region)
- Security: Samsung Knox built into hardware and software
Battery & Charging
One of the Galaxy A31’s strongest selling points is its large 5000mAh battery, providing all-day usage. Charging is supported at 15W via fast charging.
- Capacity: 5000 mAh typical (rated minimum 4,860 mAh)
- Charging: 15W Fast Charging
- Removable: No (non-removable battery)
- Battery life: All-day battery life expected given capacity and display efficiency
Connectivity & Sensors
The Galaxy A31 offers standard connectivity options for its class, including 4G LTE, dual-SIM support, and a wide range of sensors.
- Network: 4G LTE, 3G, 2G; Dual-SIM (Nano-SIM)
- Wi-Fi: Wi-Fi 802.11 a/b/g/n/ac, dual-band (2.4 GHz + 5 GHz)
- Bluetooth: Bluetooth version not specified in source
- Location: GPS, Glonass, Beidou, Galileo
- USB: Not specified in source (likely micro-USB or USB-C; not confirmed)
- Audio: 3.5mm earjack (not confirmed but typical for the series)
- Sensors: Accelerometer, Fingerprint (on-screen), Gyro, Geomagnetic, Light, Proximity
Samsung Galaxy A31 - Summary
The Samsung Galaxy A31 is a well-rounded midrange smartphone that launched in 2020 with a vibrant 6.4-inch FHD+ Super AMOLED display, a versatile 48MP quad-camera system, and a long-lasting 5000mAh battery. It is powered by a MediaTek MTK6768 octa-core processor and includes Samsung Knox security, on-screen fingerprint sensor, and Dolby Atmos audio. Regional pricing started at €299 in Spain and RM 1,099 in Malaysia. The device lacks 5G and its 15W charging is slower than some rivals, but its display and camera versatility make it a strong contender in its price segment.
| Launch Price (MSRP): | Current Market Price: |
|---|---|
| €299 |