Big screen. Small price
A51's Infinity-O Display optimises visual symmetry. Now you can game, watch, surf, and multi-task without interruption on a 6.5' FHD+ widescreen display*-all powered by Super AMOLED technology. Enjoy a smartphone experience that minimises the bezel and maximises screen space.
Designed for a refined level of style and comfort
The rhythmical pattern of A51's design theme is smooth and elegant. A premium gloss finish adds the perfect touch of style to its sleek and slim body, perfectly blending of style with in-hand comfort.
Quad camera with a 48-megapixel sensor to capture more
Go ultra high-res with a 48MP Main Cam for crisp, clear photos day and night. A 123- Ultra Wide Cam captures more of the view. Choose the upgraded Macro Cam for highly refined close-ups, and make sure the subject always stands out with the Depth Camera-s multiple Live Focus effects.
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.
Macro Cam that captures the up-close details
Quad Cam-s built-in 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.
Shoots smooth and steady just like the pros
Galaxy A51 records like a pro-level action camera utilising the Ultra Wide Camera and predictive software. Super steady gives you smooth live videos, even when your journey is on the adventurous side.
Depth Camera brings your subject into the spotlight
The Depth Camera lets you adjust the depth of field before and after you nail the shot. The advanced Depth Camera knocks out unwanted background noise from your images to make them look more professional.
Attention-grabbing selfies made easy
You want your selfie to look good. So for stunning daytime looks, Galaxy A51's 32MP front camera gives you clear, high-resolution photos. And with Selfie focus to gently blur the background, your face becomes the star.
*Images simulated for illustrative purposes.
Power to last*
When out living life, you need a phone that can last. A 4,000mAh (typical) battery gives you the power to stream, share and game on**. And if you start running low, plug in and power up with 15W Fast Charging.***
Premium storage at no extra cost
Galaxy A51 has fast processing and spacious storage so you can focus on now. An advanced Octa-core processor and 6GB of RAM deliver smooth and efficient performance. Download more and delete less with up to 128GB internal storage.** Add even more with a 512GB microSD card.***
Game Booster gives you the edge
Maximise 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 optimise battery, temperature and memory.
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 A51 comes with high-tech biometric authentication. The On-Screen Fingerprint scanner recognises your unique fingerprint, so you are the only one who can press and unlock in one easy move.
Galaxy A51 adapts to your life, reducing blue light and turning on Night mode to get your eyes ready for bed. It even keeps your phone unlocked and plays music when you get in your car.**Or you can customise to your needs with My Routine.
Get the information you need, faster, with Bixby's next-level vision intelligence. Bixby Vision is built right into your camera app to make life more efficient for you. Translate restaurant menus with ease and search for that furniture you saw at a party by simply scanning it.**
Made to focus
One UI helps you focus on what really matters to you. Hardware and software work together, with content and features at your fingertips so you can get to them faster.** Use Night Mode for a comfortable experience in the dark, and with clear and intuitive visuals using your phone is like second nature.
Keep your device in tip top condition with us
Enjoy peace of mind when you buy a Galaxy smartphone. The interactive diagnostics and optimisation on the 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.
Check out the new Galaxy A series to find the one for you
Introducing a series of phones that enables today-s generation to do what others can-t. Meet the new Galaxy A. Built for the Era of Live.
Upgrade your Galaxy J now with our new Galaxy A smartphones
We took what you love about J to create a better lineup - the new Galaxy A. See how J has been upgraded into the Era of Live.
CPU Speed2.3GHz, 1.7GHz
Size (Main Display)164.0mm (6.5' full rectangle) / 160.9mm (6.3' rounded corners)
Resolution (Main Display)1080 x 2400 (FHD+)
Technology (Main Display)Super AMOLED
Colour Depth (Main Display)16M
Rear Camera - Resolution (Multiple)48.0 MP + 12.0 MP + 5.0 MP + 5.0 MP
Rear Camera - F Number (Multiple)F2.0 , F2.2 , F2.4 , F2.2
Rear Camera - Auto FocusYes
Rear Camera - OISNo
Rear Camera ZoomDigital Zoom up to 8x
Front Camera - Resolution32.0 MP
Front Camera - F NumberF2.2
Front Camera - Auto FocusNo
Front Camera - OISNo
Rear Camera - FlashYes
Front Camera - FlashNo
Video Recording ResolutionUHD 4K (3840 x 2160)@30fps
Slow Motion240fps @HD
RAM Size (GB)6
ROM Size (GB)128
Available Memory* (GB)107.2
External Memory SupportMicroSD (Up to 512GB)
SIM sizeNano-SIM (4FF)
Infra2G GSM, 3G WCDMA, 4G LTE FDD, 4G LTE TDD
2G GSMGSM850, GSM900, DCS1800, PCS1900
3G UMTSB1(2100), B2(1900), B4(AWS), B5(850), B8(900)
4G FDD LTEB1(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 LTEB38(2600), B40(2300), B41(2500)
USB InterfaceUSB Type-C
USB VersionUSB 2.0
Location TechnologyGPS, Glonass, Beidou, Galileo
Wi-Fi802.11 a/b/g/n/ac 2.4G+5GHz, VHT80
Bluetooth VersionBluetooth v5.0 (LE up to 2 Mbps)
PC Sync.Smart Switch (PC version)
Form FactorTouchscreen Bar
SensorsAccelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Virtual Proximity Sensing
Dimension (HxWxD, mm)158.5 x 73.6 x 7.9
Internet Usage Time(LTE) (Hours)Up to 15
Internet Usage Time(Wi-Fi) (Hours)Up to 16
Video Playback Time (Hours)Up to 20
Battery Capacity (mAh, Typical)4000
Audio Playback Time (Hours)Up to 87
Talk Time (4G LTE) (Hours)Up to 32
Audio and Video
Video Playing FormatMP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM
Video Playing ResolutionUHD 4K (3840 x 2160)@120fps
Audio Playing FormatMP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA
Services and Applications
Gear SupportGalaxy Buds, Galaxy Fit, Galaxy Fit e, Galaxy Watch, Galaxy Watch Active, Gear Circle (Manager Support), Gear Fit, Gear Fit2, Gear Fit2 Pro, Gear Sport, Gear1, Gear2, Gear2 Neo, Gear S, Gear S2, Gear S3, Gear IconX, Gear IconX (2018)