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Asus ZenFone 4 Max Deepsea Black 16GB Unlocked GSM Phone - ZC520KL-S425-2G16G-BK

Product Details

Asus ZenFone 4 Max Deepsea Black 16GB Unlocked GSM Phone - ZENFONE4MAX52-BK


  • 120° Wide View Dual Rear Cameras
    ASUS ZenFone 4 Max is a smartphone designed to go the distance and accompany you on all of life's adventures. Its high capacity 4100mAh battery with advanced power management and dual cameras keeps up with your active lifestyle and is always at the ready to capture extraordinary moments
  • Dual Rear Cameras. See a bigger world
    ZenFone 4 Max features an advanced dual-camera system designed to take your mobile photography to new heights. Its 13MP main camera is equipped with the wide, F2.0 aperture lens to capture clearer photos. Its 120° wide-angle camera lets your fit more scenery and people in the frame for dramatic landscape shots, better group photos, and a more convenient photography experience in confined indoor spaces
  • Wide-Angle Camera. Fit more scenery and friends in the shot
    The 120° wide-angle camera on ZenFone 4 Max has a 200% larger field of view than standard smartphone cameras, so you can fit more scenery and people in the frame for dramatic photos and videos that capture a true sense of place. When taking photos indoors, the wide-angle view makes it much easier to get the shot you want — especially in confined spaces where it may not be possible to take a few steps back to fit everyone and everything into the photo. The unique perspective of the wide-angle lens can also be used to stylistic effect, allowing you to exaggerate the sense of space in any setting to capture more dramatic scenes and stunning, expansive landscapes
  • PixelMaster Camera. Capture your world in detail
    ZenFone 4 Max comes with a 13MP PixelMaster rear camera to capture beautiful, high-resolution photos with zero shutter lag. An 8MP front camera takes gorgeous, sharp selfies and lets you enjoy video chatting in with crystal-clear video clarity
  • Front Camera. Capture the perfect selfie
    ZenFone 4 Max combines an 8MP front camera with a Softlight LED flash and live beautification features to capture stunning selfies with ease. The Softlight LED flash delivers the perfect amount of fill light, giving your selfies a softer look with true skin tones and a glowing complexion. Beauty mode instantly retouches your selfies, removing blemishes, balancing facial features, and more to create a flawless look
  • Beauty Mode. More beautiful, more fun, more you
    The fun and intuitive Beauty mode lets you apply a variety of enhancement effects to your selfies to make them even more glamorous. With ten levels of beautification to choose from, you can smooth wrinkles, remove blemishes, adjust skin tone, and enhance your features instantly. Whether you are taking photos, capturing a video, or live streaming, ZenFone 4 Max lets you create your perfect look for the camera
  • ASUS PowerMaster™. A smarter smartphone battery
    ZenFone 4 Max features a suite of intelligent power management technologies that work in concert to optimize battery life, ensure safety and long-term performance, provide reverse-charging capability, and more. By turning on the double battery lifespan feature, it means your device can fully charge (to 100%) and discharge (to 0%) up to 500 times in a 25°C environment, and the loss of battery capacity will be reduced by half
  • High capacity, 4100mAh battery
    Inside the sleek exterior of ZenFone 4 Max lies massive energy — a 4100mAh battery custom-crafted to pack maximum performance into minimum space. With so much power at your disposal, you can do more online, stream longer videos, and talk as much as you want without worry of getting through the day. * Standby time measured by current meter with typical battery capacity. Results may vary depending on different test conditions
  • Stay Strong. Power that lasts
    ZenFone 4 Max offers fast charging 10W (5V/2A) for its high capacity 4100mAh battery. It automatically recognizes if the bundled adapter is attached and executes quick charging that can fully charge the ZenFone 4 Max in 3.5 hours or provide 2 hours of talk time with a mere 15-minute charge; all while protecting the battery from being over-charged. For those times when you need even longer battery life, Super Saving mode has you covered. When enabled, ZenFone 4 Max provides up to 88 hours of 4G standby time on just a 10 percent charge
  • 12 Leading safety technologies
    ASUS PowerMaster™ is a suite of intelligent power management technologies that work in concert to optimize battery life, ensure safety and long-term performance, provide reverse-charging capability, and more. 12 Safety checkpoints — including temperature monitoring and overvoltage protection — combined with automatic maintenance settings keep ZenFone 4 Max's battery running optimally to provide a 2x average lifespan compared to other smartphones
  • Reverse Charging. Your go-everywhere power bank
    With its high-capacity 4100mAh battery, ZenFone 4 Max can even be used to charge other mobile devices. Just connect your device to ZenFone 4 Max with the included USB On-The-Go (OTG) cable and enjoy the convenience of charging anywhere
  • Premium metallic finish
    ZenFone 4 Max features elegance in every detail with its premium metallic finish and contoured (2.5D) glass touch screen. It's yours to desire in three gorgeous colors: Deepsea Black, Sunlight Gold, Rose Pink
  • Fast, multi-threaded performance
    ZenFone 4 Max features a powerful Qualcomm's Snapdragon processor. With its superb performance and superior power-efficiency you'll shoot sharp photographs at stupefying speed. Its fingerprint sensor is perfectly positioned for the way you hold your phone. It unlocks ZenFone 4 Max in a fraction of a second, and does so much more besides
  • Triple Slots. Dual SIM with individual microSD card slot
    ZenFone 4 Max comes with two SIM card slots supporting speeds up to 150Mbps and an additional microSD card slot to expand storage by up to 256GB. Its convenient triple-slot tray lets you install both SIMs and a microSD card in one easy step
  • A smarter and smoother UI
    The latest version of ZenFone's beautiful user interface that's designed to provide a more intuitive experience to help you accomplish tasks and find information faster, improve your productivity, and simply have more fun using your phone



  • Internal storage: eMCP 16GB
  • MicroSD card: Supports up to 256GB
  • Google Drive: 100GB free space (2 years)


  • 5.2-inch IPS display
  • Front 2.5D curved glass display
  • Bluelight filter for eye care
  • Capacitive touch panel with 10 points multi-touch


  • CPU: Qualcomm® Snapdragon™ 425 Mobile Platform with 64-bit Quad-core Processor
  • GPU: Qualcomm® Adreno™ 308


  • LPDDR3 2GB

Main Rear Camera

  • 13 megapixels
  • F2.0 aperture
  • 25mm equivalent focal length in 35mm film camera
  • 80° field of view
  • 0.03 seconds phase detection auto-focus
  • LED flash
  • Instant cameras switching
  • PixelMaster camera modes
    • Auto (with low light and HDR features)
    • Beauty
    • Pro
    • Super Resolution (52 megapixels)
    • GIF Animation
    • Panorama
    • Time Lapse (with power saving)
    • 9 various filters

Second Rear Camera

  • 120° wide-angle camera
  • 200% wider view for more friends and scenery in the frame
  • 17.9mm equivalent focal length in 35mm film camera

Video Recording

  • 1080p FHD video recording at 30 fps
  • Electronic image stabilization for rear camera's shake-free videos
  • 120˚ wide-angle video
  • Take still photo while recording video

Front Camera

  • 8 megapixels
  • 24mm equivalent focal length in 35mm film camera
  • 85° field of view
  • Softlight LED flash
  • PixelMaster camera modes
    • Beauty
    • Auto (with HDR features)
    • Selfie Panorama
    • GIF Animation


  • Speaker
    • Loud speaker
    • PMIC internal amplifier
  • Audio Output: Audio CODEC integrated into PMIC
  • Microphone: Dual internal microphones with ASUS Noise Reduction Technology
  • FM Receiver: FM radio

Wireless Technology

  • WLAN 802.11 b/g/n
  • Bluetooth 4.2
  • Wi-Fi direct



SIM Cards

  • Triple Slots: Dual SIM & one MicroSD card
    • Slot 1: 2G/3G/4G Nano SIM Card
    • Slot 2: 2G/3G/4G Nano SIM Card
    • Both SIM card slots support 3G WCDMA / 4G LTE network band. But only one SIM card can connect to 4G LTE service at a time
    • Slot 3: Supports up to 256GB MicroSD card

Network Standard

  • Data rate
    • LTE Cat4: UL 50 / DL 150 Mbps
    • DC-HSPA+: UL 5.76 / DL 42 Mbps
  • WW version
    • FDD-LTE (Bands 1, 3, 5, 7, 8, 20)
    • TD-LTE (Band 40)
    • WCDMA (Bands 1, 5, 8)
    • EDGE/GPRS/GSM (850, 900, 1800, 1900MHz)
  • TW/JP/HK/BR/NA/SA version
    • FDD-LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 28)
    • TD-LTE (Bands 38, 41 (2545-2655MHz))
    • WCDMA (Bands 1, 2, 5, 6, 8, 19)
    • EDGE/GPRS/GSM (850, 900, 1800, 1900MHz)


  • Front fingerprint sensor (0.3 seconds unlock, supports 5 fingerprints), Accelerator, E-Compass, Proximity sensor, Ambient light sensor, Indicator light


  • 4100mAh capacity with fast charging
  • ASUS PowerMaster technology
  • 2x longer battery lifespan
  • Power bank mode for 2x faster reverse charging (1A)
  • Up to 37 days 4G standby
  • Up to 31 hours 3G talk time
  • Up to 101 hours music playback
  • Up to 21 hours Wi-Fi web browsing

Power Adapter

  • Output: 5V 2A 10W

Operating System

  • Android™ N with new ASUS ZenUI

ASUS ZenUI Includes

  • Launcher
  • Fingerprint Sensor
  • ZenMotion
  • Game Genie
  • Themes
  • Camera
  • Gallery
  • File Manager
  • Keyboard
  • Phone
  • Contacts
  • Weather
  • Clock
  • Calculator
  • Do It Later
  • Mobile Manager
  • ZenUI FAQ
  • PowerMaster

In The Box:

  • ZenFone 4 Max with Android™ N and new ASUS ZenUI
  • ASUS earphone with microphone (optional)
  • Micro-USB cable
  • OTG cable (optional)
  • Ejector pin (SIM tray needle)
  • USB power adapter
  • Documentation (user guide, warranty card)
  • Clear soft bumper (optional)

Approximate Dimensions:

  • Height: 5.93"
  • Width: 2.89"
  • Depth: 0.34"

Approximate Weight:

  • Unit: 5.5 oz
  • Shipping: 1 lbs
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Key Features
Qualcomm Snapdragon 425 Mobile Platform With 64-Bit Quad-Core Processor/ Qualcomm Adreno 308/ 16GB Storage/ 5.2" IPS Display/ Front 2.5D Curved Glass Display/ 13 Megapixel Rear Cameras/ 8 Megapixel Front Camera/ 4100mAh Battery/ Android N With New ASUS ZenUI/ SIM Card Not Included/ Deepsea Black Finish
More reasons to buy the Asus ZenFone 4 Max Deepsea Black 16GB Unlocked GSM Phone ZC520KL-S425-2G16G-BK from Abt Electronics
  • is an authorized dealer.
  • The Asus ZenFone 4 Max Deepsea Black 16GB Unlocked GSM Phone ZC520KL-S425-2G16G-BK is Brand New.
  • Abt ships this product for free!
GSM Cellular NetworkYes
CDMA Cellular NetworkNo
Device BrandAsus
Internal Memory Storage16GB
Camera Resolution13 Megapixels
Mac iOSNo
Expandable MemoryYes
4G CapableYes