Samsung Galaxy S21 Ultra 5G - Phantom Black

SamsungGalaxy S21 Ultra 5G


Phantom Black



Galaxy S21 Ultra 5G - Phantom Black - 128 GB isn't available.
  • The Samsung Galaxy S21 Ultra 5G has a 6.8-inch 120Hz adaptive display, a 108 MP rear camera, hyperfast processor, a striking design, and is S Pen compatible (sold separately). Get creative, do things your way, and stay connected with AT&T 5G. Fast. Reliable. Secure.

  • Key Features

    • 6.8-inch 120Hz Adaptive Display
    • 108MP Rear camera + 8K Video
    • HyperFast Processor
    • Striking Phone Design


    Size (inches)6.50 x 2.98 x 0.35
    Weight (ounces)8.08


    Display size (inches)6.8-inch 120Hz Adaptive Display
    Resolution (pixels)3200 x 1440
    Colors16 million

    Camera & video

    Rear-facing camera(Wide) 108 MP OIS AF F1.8
    (Tele 10x) 10MP OIS AF F4.9
    (UltraWide) 12MP AF F2.2
    (Tele 3x) 10MP OIS AF F2.4
    Space Zoom 100x
    Optical Zoom 10x
    Video captureUp To Ultra HD 8K (7680 x 4320) @ 24 fps
    Video playbackUp To Ultra HD 8K (7680 x 4320) @ 60 fps
    Front-facing camera40 MP AF F2.2
    Other shooting optionsSingle Take, Photo, Video, AR Doodle, Pro, Panorama, Food, Night, Portrait, Portrait Video, Pro Video, Super Sow-Mo, Slow Motion, Hyperlapse, Director’s View


    Battery capacity5000mAh (non-removable)
    Talk time (hours)Up to 37 hours
    Standby time (days)Up to 11.9
    Audio playback time (hours)Speaker: Up to 50 hours
    Headset: Up to 81 hours
    Wireless charging capable
    Fast charging capable
    Time to charge to 50%Up to 28 minutes
    Time to charge to 100%Up to 72 minutes


    ChipsetQualcomm® Snapdragon™ 888 5G
    CoresOcta-core, 1 at 2.8GHz, 3 at 2.4GHz, 4 at 1.8GHz


    Internal memory storageUp to 128GB / 256GB / 512GB
    RAM12GB RAM with 128GB and 256GB storage models, 16GB RAM with 512GB storage model

    Operating System

    Subject to change based on future operating system updates
    Voice dialing and voice commands

    Wireless technology

    5G+*n77, n260, n261
    4G LTEBands 1, 2, 3, 4, 5, 7, 8, 12, 14, 20, 28, 29, 30, 38, 40, and 41
    4GHSPA+ with enhanced backhaul
    3G - UMTS850/900/1800/1900/2100MHz
    World phoneQuad-band
    HD Voice capable
    Wi-Fi Calling capable
    AT&T Video call capable
    Wi-Fi connectivity802.11a/b/g/n/ac/ax/i/r
    Wi-Fi capability2.4GHz & 5.0GHz
    Near Field Communication (NFC)Open, Secure
    Bluetooth® technologyv5.0 + EDR, A2Dp, LE, Aptx®
    Mobile hotspotUp to 10 devices
    Noise suppressionNoise suppression by Goodix
    Wireless emergency alerts (CMAS) capable
    SIM typeNano


    SensorsAccelerometer, barometer, e-compass, fingerprint, gyroscope, magnetometer, proximity

    Messaging & email

    Text messagingInsert pictures, video clips and sound clips easily (messaging charges apply)
    Advanced MessagingRCS Universal Profile 1.0 (UP 1.0) compatible for larger file transfers and group messages with other UP 1.0 users. See when messages are delivered, read and when others are typing a response.
    Mobile emailPOP3, IMAP4, SMTP, SSL, TLS, EAS
    Microsoft Direct Push


    Music playerYouTube Music
    Supported music formatsAAC, AMR, MP3, WAV, XMF, FLAC, OGG, DSF, DFF, APE
    External music play controlsVia lockscreen


    Hearing Aid (HAC) ratingM3, T3
    TTY/TTD compatible
    Real Time Text (RTT) capable


    Device Eco-ratingThe AT&T Eco-Rating 2.0 system gives you environmental and social details about this device. The system uses a total of 20 performance criteria across 5 different attributes, for a total rating of 1 to 5 stars: 19-20 (5-star), 16-18 (4-star), 13-15 (3-star), 10-12 (2-star), 8-9 (1-star)
    Substances of concern4/4
    Environmentally preferable materials3/3
    Energy efficiency and charging1/1
    End of life and recycling2/2
    Environmentally and socially responsible manufacturing10/10
    Total Eco-score20/20 (5-star) Please visit for additional information

    Product codes

  • USB-C
    SIM tray eject tool
    QuickStart Guide