True innovation for everyone
The world's No.1 best selling Android smartphone
* This analysis was conducted by Strategy Analytics, was authored by Neil Mawston, and posted on May 13, 2020. This analysis was based on the worldwide smartphone shipments result by model in Q1 2020. Strategy Analytics used its Smartphone Model Tracker (SMT) research as a source data.
Big screen. Small price
A51's Infinity-O Display optimizes 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 minimizes the bezel and maximizes each inch of screen space.
**Infinity Display: a near bezel-less, full-frontal glass, edge-to-edge screen.
***Measured diagonally, the screen size is 6.5" in the full rectangle and 6.3" with accounting for the rounded corners. Actual viewable area is less due to the rounded corners and the camera cutout.
Designed for a refined level of style and comfort
The rhythmical pattern of A51's design theme comes in smooth and elegant pastel shades including Prism Crush Black, White and Pink. A premium gloss finish adds the perfect touch of style to its sleek and slim body, perfectly blending of style with in-hand comfort.
Awesome Quad camera to capture more
Go ultra high-res with a 48MP Main Cam for crisp, clear photos day and night. A 123° 12MP 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.
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 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.
**Macro Camera feature supported for rear camera only.
Shoots smooth and steady just like the pros
Galaxy A51 records like a pro-level action camera utilizing the Ultra Wide Camera and predictive software. Super steady gives you smooth live videos, even when your journey is on the adventurous side.
**Results may vary depending on shooting conditions including multiple subjects, being out of focus, or moving subjects.
***Viewing angle adjusted down for selfie with Ultra Wide Camera.
****Does not support zoom function. Performance of the image stabilization may vary depending on the light condition.
*****Only available when shooting with the Ultra Wide Camera in Full HD.
Depth Camera brings your subject into the spotlight
The 5MP Depth Camera lets you adjust the depth of field before and after you nail the shot. The advanced 5MP 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.
Power to last 2-day
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.
*Estimated against the usage profile of an average/typical user with a fully charged device. Independently assessed by Strategy Analytics between 2020.05.25–2020.06.03 in UK with commercial versions of SM-A515. Actual battery life varies by network environment, features and apps used, frequency of calls and messages, number of times charged, and many other factors.
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 up to 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.
*RAM and internal memory capacity may vary by country.
**MicroSD card sold separately.
***Actual storage available may vary depending on pre-installed software.
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.
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 recognizes your unique fingerprint, so you are the only one who can press and unlock in one easy move.
*If you use a screen protector, make sure it allows for use of the On-screen fingerprint sensor.
Do more with Bixby
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 customize 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.
*Bixby Routines Driving routine only available in cars with Bluetooth capabilities. <br>**Requires access to Samsung Account and acceptance to customized service prior to using the usage pattern analysis based service. <br>***Service availability may vary depending on country or device; user interface may change and differ by device; availability of Bixby Vision features and content providers may vary depending on country; all information, content, images, or try-on results herein are provided by third parties and such content may not be accurate nor reflect the most updated information. <br>****Bixby recognizes select languages and certain accents/dialects; availability of Bixby service, features and content providers may vary depending on country or language; data/Wi-Fi required to fully operate Bixby features.
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.
*Availability of One UI features, apps and services may vary depending on device, OS version and country.
**Device and screen images simulated for illustrative purposes.
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 screen images simulated for illustrative purposes.
An awesome Android experience
Get an awesome Android experience with Google apps fully pre-installed on your Galaxy A51.
Processor 2.3GHz, 1.7GHz
Weight (g) 172
Battery Capacity (mAh, Typical) 4000
Rear Camera - Resolution (Multiple) 48.0 MP + 12.0 MP + 5.0 MP + 5.0 MP
- CPU Speed 2.3GHz, 1.7GHz
- CPU Type Octa-Core
- Size (Main_Display) 164.0mm (6.5")
- Resolution (Main Display) 1080 x 2400 (FHD+)
- Technology (Main Display) Super AMOLED
- Color 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
- 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 F2.2
- 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
- RAM_Size (GB) 6
- ROM Size (GB) 128
- Available Memory (GB)* 107.0
- External Memory 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+ Yes
- 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 2.4G+5GHz, VHT80
- Wi-Fi Direct Yes
- Bluetooth Version Bluetooth v5.0 (LE up to 2 Mbps)
- NFC Yes
- PC Sync. Smart Switch (PC version)
- Form Factor Touchscreen Bar
- Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Virtual Proximity Sensing
- Dimension (HxWxD, mm) 158.5 x 73.6 x 7.9
- Weight (g) 172
- 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
- Removable No
- Audio Playback Time (Hours) Up to 87
- Talk Time (4G LTE) (Hours) Up to 32
Audio and Video
- Stereo Support No
- Video Playing Format MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM
- Video Playing Resolution UHD 4K (3840 x 2160)@120fps
- Audio Playing Format MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA
Services and Applications
- 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