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Color: Cobalt BlueEdit
RADIANT Max - Cobalt Blue - 32 GB isn't available.
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  • Binge watch hours of entertainment on the 6.5-inch HD+ display with DTS Audio and a 4,000mAh battery. Take pictures like a pro with the triple rear 13+5+2 MP cameras and 8 MP front camera. Store more pictures, videos, and music with up to 32GB of internal memory. Feel confident and secure with the fingerprint reader, the latest Android 10 OS, and knowing your device is backed by a 2-year warranty.

  • Key Features

    • Vibrant 6.5-inch HD+ Notch Display with Gorilla Glass 5
    • Triple rear cameras (13+5+2 MP) with Portrait & Night Mode, and Ultra-wide-angle lens
    • Keep going for up to 2 full days with the fast-charging 4,000mAh battery
    • 32GB of internal memory, 128GB expandable memory


    Size (inches) 6.71 x 3.00 x 0.35
    Weight (ounces)6.18


    Display size (inches)6.5-inch HD
    Resolution (pixels)1560 x 720
    Colors16.7 million

    Camera & video

    Rear-facing camera13 MP standard angle lens with ƒ/2.0 aperture
    5 MP wide-angle lens with ƒ/2.2 aperture
    2 MP standard angle lens with ƒ/2.4 aperture.
    Video capture1080p@30fps
    Video playback1080p@30fps
    Front-facing camera8 MP normal lens with ƒ/2.2 aperture and AF lens


    Battery capacity4,000mAh (non-removable)
    Battery voltage3.85V
    Talk time (hours)Up to 12
    Standby time (days)Up to 30.41
    Audio playback time (hours)Speaker: Up to 70
    Headset: Up to 90
    Fast charging capable
    Time to charge to 50%Up to 45 minutes
    Time to charge to 100%Up to 120 minutes


    ChipsetMediaTek MT6762
    CoresOcta-core, 4 at 2.0GHz and 4 at 1.5GHz


    Internal memory storageUp to 32GB
    Expandable memory storageUp to 128GB
    Memory formatmicroSD™

    Operating System

    Android®10 (Q)
    Voice dialing and voice commands

    Wireless technology

    4G LTEBands 2, 4, 5, 12, 14, 29, 30, and 66
    3G - UMTS850/1700/1900MHz
    World phoneQuad-band
    HD Voice capable
    Wi-Fi Calling capable
    Wi-Fi connectivity802.11a/b/g/n/ac
    Wi-Fi-capablity2.4GHz & 5.0GHz
    Wi-Fi Direct
    Near Field Communication (NFC)Open
    Bluetooth® technologyv5.0 + EDR, LE, A2DP
    Mobile hotspotUp to 10 devices
    Noise suppressionMTK
    Wireless emergency alerts (CMAS) capable
    SIM typeNano


    Preloaded apps from AT&TAT&T Pro Tech, AT&T Smart Wi-Fi, AT&T TV, AT&T Visual Voicemail, Bleacher Report, CNN, DC Universe, Device Help, Facebook, Game of Thrones: Conquest, Great Big Story, HBO MAX, iQi, Mobile Services Manager - Games, myAT&T, NBA, Pluto TV, Real-time Text - RTT, Remote Support, Setup & Transfer, The CW, Wi-Fi Calling
    Preloaded apps from OEMGoogle Chrome, Google Drive, Duo, Gmail, Google, Google Play Store, Google Search, Google Maps, Google Photos, Play Movies, YouTube, YouTube Music
    Additional appsCalculator, Calendar, Files, Settings
    myAT&TProvides fast, easy account access virtually anywhere, anytime
    Web browserGoogle Chrome™


    SensorsAccelerometer, Ambient light, 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 emailIMAP, Gmail™, Microsoft Exchange, POP3


    Music playerYT Music
    Supported music formatsWAV, MP3, AAC, AAC+, eAAC+, AMR, MIDI, Vorbis, APE, FLAC, ADPCM
    External music play controlsVia lockscreen


    Hearing Aid (HAC) ratingM4,T4
    Real Time Text (RTT) capable
    Additional accessibility featuresAdjustable font size, Audible cues, closed-captioned playback, full screen zoom magnification, invert or negative colors, screen unlock options (fingerprint), switch control, vibrating alerts, voice assistant, voiceover screen reader


    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 concern3/4
    Environmentally preferable materials0/3
    Energy efficiency and charging1/1
    End of life and recycling1/2
    Environmentally and socially responsible manufacturing8/10
    Total Eco-score13/20 (3-star) Please visit for additional information

    Product codes

  • Quick-charge
    SIM tray ejection tool
    QuickStart Guide