Make your own statement with ZenFone 4’s fashionable vibrant colors. It is designed to match your unique style. It is ergonomically crafted to become part of your extended body. Capture the most mesmerizing moments of your life. ZenFone 4’s Intel processor can easily handle multiple tasks and deliver an immersive gaming experience. Your ZenFone 4 experience starts at your fingertips. Get in touch with the next step in mobile technology.

Details

Battery

TechnologyLithium polymerCapacity3600 mAhFast Charging TechnologyBoostMaster Fast ChargingStandby Time336 hoursRun Time DetailsStandby: up to 336 hrs Continuous browsing (Wi-Fi): up to 17 hrs

Cellular

TechnologyWCDMA (UMTS) / GSMMobile Broadband Generation4GService ProviderNot specifiedOperating SystemAndroid 7.0 NougatUser InterfaceASUS ZenUI 4.0NavigationGPS, A-GPS, GLONASS, BeiDouSIM Card TypeNano SIMSIM Card Slot QtyDual-SIMInput DeviceMulti-touch, capacitive

Communications

Data TransmissionGPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, FDD-LTE, TDD-LTE2G BandGSM 850/900/1800/19003G UMTS BandBand 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 193G UMTS Frequency2100, 1900, 1700, 850, 800, 900, 8004G LTE BandBand 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 29, Band 38, Band 39, Band 414G LTE FrequencyFDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 – 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 700d, TDD 2600, TDD 1900, TDD 2500Wireless InterfaceNFC, IEEE 802.11a/b/g/n/ac, Bluetooth 5.0

Connections

Connector TypeHeadphones – mini-phone 3.5 mm USB Type-C – 24 pin USB-C

Display

TypeOLED displayTechnologyAMOLEDDiagonal Size5.5″Display Resolution1920 x 1080 pixelsDisplay FormatFull HDMax Brightness500 cd/mProtectionCorning Gorilla Glass (scratch resistant glass)FeaturesASUS Tru2Life, Bluelight Filter for Eye Care, 2.5D Glass

Front Camera

Sensor Resolution8 MegapixelSensor NameSony Exmor RX IMX319 sensorLens ApertureF/1.9Special EffectsMiniature, HDR, Depth of fieldFeaturesElectronic Image Stabilizer (EIS), PixelMaster 4 camera, Phase Detect Auto-Focus (PDAF), Time Rewind, Smart Remove, ASUS SelfieMaster technology, 3-axis electronic image stabilizationLens TypeWide-angle lensCamera ModesPanorama, Time-lapse mode, Slow motion mode, night mode, selfie mode, manual mode, super resolution mode, low-light shots, All Smiles mode, Photo Effect Mode, panoramic selfies, selfie panorama, GIF animation function, Real-Time Beautification

General

Product TypeSmartphoneForm FactorTouchIntegrated ComponentsFront-facing camera, FM radio, audio player, voice recorder, navigation, dual rear-facing cameraWidth3 inDepth0.3 inHeight6.2 inWeight6.07 ozBody ColorBlackBody MaterialAluminum

Graphics System

Graphics AcceleratorQualcomm ADRENO 540

Manufacturer Warranty

Service & SupportLimited warranty – 1 year

Media Player

Sound EnhancementsVirtual Surround Sound, DTS Headphone:X 7.1, Hi-Res audio

Memory

RAM6 GBInternal Memory Capacity64 GBSupported Flash Memory CardsmicroSDXC – up to 2 TB

Messaging & Internet

Messaging ServicesSMS, MMSSupported Social Networks and BlogsYes

Miscellaneous

Included AccessoriesPower adapter, SIM card removal tool, ASUS ZenEar with Mic, micro-USB to USB cable, bumper

Phone Features

Phone FunctionsSpeakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alertSensorsAccelerometer, ambient light sensor, proximity sensor, gyro sensor, RGB sensorSecurity DevicesFingerprint readerAdditional FeaturesMIMO technology, Wi-Fi Calling, Google Drive Storage (100 GB) (free for 2 years), ASUS Splendid, Three microphones with noise-cancellation, ASUS SonicMaster 4.0 technology

Processor

TypeQualcomm Snapdragon 835Processor NumberMSM8998Clock Speed2.45 GHzProcessor Core Qty8-core64-bit ArchitectureYes

Rear Camera

Sensor Resolution12 MegapixelSensor TypeRGB CMOSSensor NameSony Exmor RS IMX362 sensorOptical Image Stabilizer4 Stop OIS (Optical Image Stabilization)Lens Construction6-elementMin Focal Length25 mmFocus AdjustmentAutomaticLaser Auto FocusYesDigital Zoom10Light SourceDual LED flashVideo Resolutions3840 x 2160 (4K) at 30 fpsFeaturesDual Pixel technology, Electronic Image Stabilizer (EIS), 3-axis electronic image stabilization, Dual Phase Detect Auto-Focus (PDAF), RAW image capture, ASUS SuperPixel technology, Subject-Tracking Auto-Focus, 4-axis optical image stabilizationLens ApertureF/1.7

Second Rear Camera

Sensor Resolution16 MegapixelSensor NameSony Exmor RS IMX351 sensor

Universal Product Identifiers

BrandASUSPart Numbers889349825853, ZS551KL, ZS551KL-PRO6064, ZS551KL-S835-6G64G-BKGTIN00889349825853