See the whole view on the Infinity-O Display
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.

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, Blue 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.

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° 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.

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.

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 that keeps you going
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.

Give yourself more room to play
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.

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.

Do more with Bixby – Bixby Routines
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.

Bixby Vision
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 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.

Specifications

Processor

• CPU Speed: 2.3GHz, 1.7GHz
• CPU Type: Octa-Core

Display

• Size (Main_Display): 164.0mm (6.5")
• Resolution (Main Display): 1080 × 2400 (FHD+)
• Technology (Main Display): Super AMOLED
• Color Depth (Main Display): 16M

Camera

• 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 8×
• 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 × 2160) @­30fps
• Slow Motion: 240fps @HD

Memory

• RAM_Size (GB): 6
• ROM Size (GB): 128
• Available Memory (GB): 107.0
• External Memory Support: MicroSD (Up to 512GB)

**Network/Bearer*

• 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)

Connectivity

• 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)
• OS: Android

General Information

• Form Factor: Touch Bar
• Sensors: Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor

Physical specification

• Dimension (HxWxD, mm): 158.5 × 73.6 × 7.9
• Weight (g): 172

Battery

• 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 × 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 Sopport: No
• Mobile TV: No