Galaxy A51 Black (Unlocked) | SM-A515UZKNXAA


Galaxy A51 (Unlocked)

Galaxy A51 (Unlocked)




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Galaxy A51 (Unlocked)

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Galaxy A51 (Unlocked)


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World’s No.1 bestselling Android smartphone*

With A51’s powerful 4,000mAh** (typical) battery**, you can keep on streaming and snapping. Video playback –up to 20 hours, Internet Usage (Wi-Fi) – up to 16 hours.***





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Infinity O-display

Infinity O-display

Rear Camera

Rear Camera

Long Lasting Battery

Long Lasting Battery

Super Steady

Super Steady

This long-lasting battery¹ helps power you, so you can keep streaming, snapping and sharing. And  if you’re short on time and juice, Fast Charging² will have you back up and running in no time.

Power to keep you going

Pro-grade shots with a tap

Capture pro-level photos with the tap of a finger. From epic landscape shots and dramatic portraits, to macro angles that reveal intricate textures and detail, this impressive quad camera has a lens for whatever inspires you.

Pro-grade shots with a tap

Crisp. Colorful. Captivating.

Dive into the edge-to-edge color and exquisite details of an expansive 6.5” display³ that brings cinematic viewing clarity right to your fingertips. Its sleek design and glossy finish feels right at home in the palm of your hand.

Crisp. Colorful. Captivating.

Take remarkably smooth video of fast-moving action in crisp, ultra HD quality⁴. Its stability function makes photos and videos look super smooth with minimal blur.

Smooth, stable shots

With an Octa-core processor and 4GB of RAM, the Galaxy A51 LTE delivers smooth and efficient performance. Plus, keep all your photos and apps without worrying about storage—get up to 512GB of storage with a microSD card.⁷

Play more. Store more.

Secure with a single touch

Unlock your phone with just a touch, thanks to the in-display fingerprint sensor. No staring contests with your screen or complicated passcodes required.

Secure with a single touch

Infinity O-display

Infinity O-display

Rear Camera

Rear Camera

Long Lasting Battery

Long Lasting Battery

Super Steady

Super Steady

Low Light

Low Light

On Screen Scanner

On Screen Scanner

  • “>Carrier

  • “>Color

  • “>Processor

  • “>Display

    “>Main Display Resolution

    1080 x 2400 (FHD+)

    ” data-tooltip=”Screen measured diagonally as a full rectangle without accounting for the rounded corners. Actual viewable area is less due to the rounded corners and camera hole.”>Main Display Size

    164.0mm (6.5″ full rectangle) / 160.9mm (6.3″ rounded corners)

    “>Main Display Technology

    Super AMOLED

    “>Sub Display Size

    N/A (N/A)

  • “>Camera

    “>Camera resolution (Front)

    32.0 MP

    ” data-tooltip=”Number of pixels across and down that are used to capture an image. More pixels, the sharper the photo.”>Camera resolution (Rear)

    48.0 MP + 12.0 MP + 5.0 MP + 5.0 MP

    “>Video Recording Resolution

    UHD 4K (3840 x 2160)@30fps

    “>Main Camera – Auto Focus


    “>Front Camera – F Number


    “>Main Camera – F Number (Multiple)

    F2.0 , F2.2 , F2.4 , F2.2

  • “>Memory

    “>External Memory Support

    MicroSD (Up to 512GB)

  • “>Network

    “>2G GSM


    “>3G UMTS


    “>3G CDMA


    “>4G FDD LTE


    “>4G TDD LTE


    “>SIM Slot Type

    SIM 1 + MicroSD

  • “>Connectivity


    Wi-Fi: 802.11 a/b/g/n/ac

    “>Wi-Fi Connectivity

    802.11 a/b/g/n/ac 2.4G+5GHz, VHT80


    Bluetooth v5.0 (LE up to 2 Mbps)

    “>Location Technology


    “>PC Sync.

    Smart Switch (PC version)

  • “>OS

  • ” data-tooltip=”Form of chip that detects light captured by a camcorder lens. CMOS circuitry converts light to voltage.”>Sensor Type


    Accelerometer,Fingerprint Sensor,Gyro Sensor,Geomagnetic Sensor,Hall Sensor,Light Sensor,Virtual Proximity Sensing

  • “>Size

    ” data-tooltip=”Height, width and depth of the phone, measured in inches (in.).”>Product Dimensions (inches)

    6.24″ x 2.89″ x 0.31″

  • “>Battery

    ” data-tooltip=”Battery power consumption depends on factors such as network configuration, signal strength, operating temperature,
    features selected, vibrate mode, backlight settings, browser use, frequency of calls and voice, data and other application usage patterns.

    Smartphone Battery Life Time Test Procedures
    “>Battery, Talk Time

    Up to 28

    Smartphone Battery Life Time Test Procedures” itemprop=”description”>

    “>Internet Usage Time(LTE) (Hours)

    Up to 15

    “>Internet Usage Time(Wi-Fi) (Hours)

    Up to 16

    ” data-tooltip=”Battery Capacity (Typical) : Typical value tested under third-party laboratory condition. 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 4400mAh.”>Battery Capacity (mAh ,Typical)


    “>Audio Playback Time (Hours ,Always On Display Off)

    – –

    “>Talk Time (2G GSM) (Hours)

    – –

    “>Talk Time (3G WCDMA) (Hours)

    – –

    “>Talk Time (2G CDMA) (Hours)

    – –

    “>Talk Time (4G LTE) (Hours)

    Up to 28

  • “>Audio

    “>Audio Playing Format


  • “>Video

    “>Video Playing Format


    “>Video Playing Resolution

    UHD 4K (3840 x 2160)@120fps

  • “>Services and Applications

    “>Gear Manager

    Galaxy Buds+,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)

  • “>Key Features

  • “>Physical specification

    “>Dimension (HxWxD ,mm)

    158.5 x 73.6 x 7.9

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