Infinity-U Display gives you more room to watch and play
Galaxy M31’s expansive 6.4-inch Infinity-U Display lets you see more of what you love. The Super AMOLED FHD+ technology offers vibrant details for an immersive viewing experience whether you're watching movies, playing your favorite games or multi-tasking.
* Images simulated for illustrative purposes.
** Infinity Display: a near bezel-less, full-frontal, edge-to-edge screen.
*** Actual viewable area is less due to the rounded corners and camera hole.
**** Measured diagonally, the screen size is 6.4" in the full rectangle and 6.2" with accounting for the rounded corners.
Highlights
Quad camera
Performance
Battery
Features
Chic design with a contemporary look
The streamlined body of Galaxy M31 is made to fit comfortably in your hand. The 2.5D design is modern and the premium glossy finish adds a touch of style. Choose from three colors including black, red or blue.
* Color availability may vary by country or carrier.
Versatile Quad camera to document your life
For life's unexpected moments, Quad Camera has you covered. Snap stunning photos of your world with a 64MP Main Camera or get the wider picture with the 8MP Ultra Wide Camera’s 123° angle of view. A 5MP Depth Camera blurs the background while the 5MP Macro Camera keeps close-ups in focus.
Capture your world in ultra wide
See more in your photos with the Ultra Wide Camera. The 81-degree wide angle and 123-degree ultra wide angle capture the scene as you see it, so you won't miss the moment from where you stand. Now it's even easier to get a great panorama.
** Ultra wide angle photo and video are only supported on the rear camera.
** Ultra wide angle photo and video are only supported on the rear camera.
Macro Camera that captures the up-close details
Quad Camera built-in 5MP Macro Cam (40mm) shoots with clarity and quality helping you bring out the ultra-fine details of your close-up shots. Apply and adjust natural background blur (Bokeh) to isolate your subject and increase its visual impact.
* Images simulated for illustrative purposes.
** Macro Camera feature supported for rear camera only.
* Images simulated for illustrative purposes.
** Macro Camera feature supported for rear camera only.
A camera to let you explore depth
The 5MP Depth Camera lets you adjust the depth of field before and after you nail the shot. It reduces unwanted background noise from your images to make them look more professional.
A selfie camera to see yourself in a new light
Capture your best angles with Galaxy M31's 32MP front camera. Use Live focus to gently blur the background so all eyes are on you, and get your good side whether you're at a café or at the park.
* Images simulated for illustrative purposes.
* Images simulated for illustrative purposes.
Performance-boosting hardware for fast speeds and streams
A powerful Octa-core processor and 6GB/8GB of RAM to handle your graphic-heavy games and livestreams at fast speeds. With 64/128GB of internal memory, you have plenty of room to stream, download, and post.
* RAM and internal memory capacity may vary depending on country or region.
** Actual storage available may vary depending on pre-installed software.
*** MicroSD card sold separately.
Power to get through your day
Whether you’re watching movies or video chatting, you need a phone that can keep up. Galaxy M31’s 6,000mAh (typical*) battery lets you spend more time doing what you love, while up to 15W Fast Charging capability delivers more charge in less time.
* Typical value tested under third-party lab conditions. Typical value is the estimated average value considering the deviation in battery capacity among the battery samples tested under IEC 61960 standard. Rated (minimum) capacity is 5,830 mAh. Actual battery life may vary depending on network environment, user settings, usage patterns, remaining capacity, and other factors.
* Typical value tested under third-party lab conditions. Typical value is the estimated average value considering the deviation in battery capacity among the battery samples tested under IEC 61960 standard. Rated (minimum) capacity is 5,830 mAh. Actual battery life may vary depending on network environment, user settings, usage patterns, remaining capacity, and other factors.
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.
Convenient mobile security
Fingerprint sensor
Simplify mobile access with security you can trust. Galaxy M31 features a rear fingerprint scanner that enables you to log on to supported apps and unlock your device with ease.
Face recognition
Now you can unlock your phone instantly by simply holding it to your face. Face Recognition technology grants mobile access for you alone, ensuring your personal data doesn't fall into the wrong hands.
- * Accuracy of Face Recognition technology may differ depending on surrounding conditions.
- * Accuracy of Face Recognition technology may differ depending on surrounding conditions.
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.
* The available functions and features for Samsung Members app may vary by country and device.
** Device and image simulated for illustrative purposes.
Specifications
-
CPU Speed
2.3GHz, 1.7GHz
-
Resolution (Main Display)
2340 x 1080 (FHD+)
-
Weight (g)
191
-
Audio Playback Time (Hours)
Up to 119
-
CPU Speed
2.3GHz, 1.7GHz
-
CPU Type
Octa-Core
-
Size (Main_Display)
162.1mm (6.4")
-
Resolution (Main Display)
2340 x 1080 (FHD+)
-
Technology (Main Display)
Super AMOLED
-
Color Depth (Main Display)
16M
-
Rear Camera - Resolution (Multiple)
64.0 MP + 8.0 MP + 5.0 MP + 5.0 MP
-
Rear Camera - F Number (Multiple)
F1.8 , F2.2 , F2.2 , F2.4
-
Main Camera - Auto Focus
Yes
-
Rear Camera - OIS
No
-
Rear Camera Zoom
Digital Zoom up to 8x
-
Front Camera - Resolution
32.0 MP
-
Front Camera - F Number
F2.0
-
Front Camera - Auto Focus
No
-
Front Camera - OIS
No
-
Main Camera - Flash
Yes
-
Front Camera - Flash
No
-
Video Recording Resolution
UHD 4K (3840 x 2160) @30fps
-
Slow Motion
240fps @HD
-
Memory_(GB)
6
-
Storage (GB)
128
-
Available Storage (GB)
108.6
-
External Storage Support
MicroSD (Up to 512GB)
-
Number of SIM
Dual-SIM
-
SIM size
Nano-SIM (4FF)
-
SIM Slot Type
SIM 1 + SIM 2 + MicroSD
-
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), B26(850), B28(700), B66(AWS-3)
-
4G TDD LTE
B38(2600), B40(2300), B41(2500)
-
ANT+
No
-
USB Interface
USB Type-C
-
USB Version
USB 2.0
-
Location Technology
GPS, Glonass, Beidou, Galileo
-
Earjack
3.5mm Stereo
-
MHL
No
-
Wi-Fi
802.11 a/b/g/n/ac 2.4+5GHz
-
Wi-Fi Direct
Yes
-
Bluetooth Version
Bluetooth v5.0 (LE up to 2 Mbps)
-
NFC
Yes
-
PC Sync.
Smart Switch (PC version)
-
Android
-
Form Factor
Touch Bar
-
Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Virtual Proximity Sensing
-
Dimension (HxWxD, mm)
159.2 x 75.1 x 8.9
-
Weight (g)
191
-
Video Playback Time (Hours)
Up to 26
-
Battery Capacity (mAh, Typical)
6000
-
Removable
No
-
Audio Playback Time (Hours)
Up to 119
-
Stereo Support
No
-
Video Playing Format
MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM
-
Video Playing Resolution
UHD 4K (3840 x 2160)@60fps
-
Audio Playing Format
MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA
-
Gear Support
Galaxy Buds, Galaxy Fit, Galaxy Fit e, Galaxy Watch, Galaxy Watch Active, Galaxy Watch Active2, Gear Fit, Gear Fit2, Gear Fit2 Pro, Gear Sport, Gear1, Gear2, Gear2 Neo, Gear S, Gear S2, Gear S3, Gear IconX, Gear IconX (2018)
-
Samsung DeX Support
No
-
Mobile TV
No
User manual & downloads
FAQs
You might also like
Recently viewed