See it all on a big, brilliant screen
Immerse yourself in the large 6.4-inch Infinity-U Display of Galaxy A31. A wide aspect ratio fills your screen with content from edge to edge. Watch your favorite videos, games and live streams in vivid FHD+ Super AMOLED.
* Images simulated for illustrative purposes.
** Infinity Display: a near bezel-less, full-frontal glass, edge-to-edge screen.
*** Measured diagonally, the screen size is 6.4″ in the full rectangle and 6.2″ with accounting for the rounded corners. Actual viewable area is less due to the rounded corners and the camera cutout.
Slim on the outside, big on the inside
Everything you want in a phone in a slim body. Housing a large 5,000 mAh(typical) battery in the 8.6 mm-thick device, Galaxy A31 fits right in your hand and comes in a geometric design with a glossy finish. Choose from Prism Crush Black or Prism Crush Blue.
Quad Cam lets you shoot with more perspective
Go ultra high-res with a 48MP Main Cam for crisp, clear photos day and night. A 123° 8MP Ultra Wide Cam captures more of the view. Choose the upgraded 5MP Macro Cam for highly refined close-ups, and make sure the subject always stands out with the 5MP Depth Camera’s multiple Live Focus effects.
* Color availability may vary by country or carrier.
Capture more of view from the same spot
Capture the wider world with the Ultra Wide Camera’s wider field of vision. And with the 48MP Main Camera, your story stays bright and clear throughout the day.
Power that keeps you going
When out living life, you need a phone that can last. A 5,000 mAh(typical)* battery gives you the power to stream, share and game on. And if you start running low, plug in and power up with 15 W Fast Charging.
Give yourself more room to play
Galaxy A31 has fast processing and spacious storage so you can focus on now. An advanced Octa-core processor and 4 of RAM deliver smooth and efficient performance. Download more and delete less with 128GB internal storage. Add even more with a 512GB microSD card.
Game Booster gives you the edge
Maximize performance with Game Booster. Cut distractions and up your game with a dedicated interface and easy-to-reach menu. Frame Booster gives graphics smooth, life-like motion. And play at your best as Game Booster learns your usage patterns to optimize battery, temperature and memory.
* Device and screen images simulated for illustrative purposes.
Defense-grade security available to everyone
Built into the phone’s hardware and software from the start, Samsung Knox protects your phone from the minute it’s turned on. Offering multi-layered security, it defends your most sensitive information from malware and malicious threats.
Your fingerprint is the key
Galaxy A31 comes with high-tech biometric authentication. The On-Screen Fingerprint scanner recognizes your unique fingerprint, so you are the only one who can press and unlock in one easy move.
Keep your device in tip top condition with us
Enjoy peace of mind when you choose to buy a galaxy smartphone. The Interactive diagnostics and optimization on Samsung Members app makes it easy to tune up the performance of your devices, while our helpline lets you troubleshoot problems when you need the extra assistance.
- 2GHz, 1.7GHz CPU Speed
- 185 Weight (g)
- Up to 97 Audio Playback Time (Hours)
- 48.0 MP + 5.0 MP + 8.0 MP + 5.0 MPRear Camera – Resolution (Multiple)
| 3.5mm jack | Yes |
|---|---|
| Announced | 2019, February |
| Main camera | 25 MP, f/1.7, 26mm (wide), PDAF, 5 MP, f/2.2, depth sensor, 8 MP, f/2.2, 13mm (ultrawide) |
| Battery | Non-removable Li-Po 4000 mAh battery |
| Benchmarks | Basemark OS II: 2292 / Basemark OS II 2.0: 2209 Basemark X: 19106 |
| Bluetooth | 5.0, A2DP, LE |
| Build | Front glass, plastic body |
| Card slot | microSD, up to 1 TB (dedicated slot) |
| Chipset | Exynos 9610 (10nm) |
| Color | Blue |
| Internal storage | 128 GB, 4 GB RAM |
| Operating System | Android 9.0 (Pie) |
| Dimensions | 158.5 x 74.7 x 7.7 mm |
| CPU | Octa-core (4×2.3 GHz Cortex-A73 & 4×1.7 GHz Cortex-A53) |
| Screen Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) |
| Screen size | 6.4" (~84.9% screen-to-body ratio) |
| Secondary camera | 25 MP, f/2.0, 25mm (wide) |
| Sensors | Accelerometer, ANT+, Compass, Fingerprint (under display), Gyro, Proximity |
| Sim | Single SIM (Nano-SIM) |
| USB | 2.0, Type-C 1.0 reversible connector |
| Video | 1080p@30fps |
| Weight | 166 g |
| WLAN | Dual-band, Wi-Fi 802.11 a/b/g/n/ac, WiFi Direct, WiFi Hotspot |
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