5.5-inch Full HD (1920 by 1080) Super IPS+ display 600nits brightness Front and rear strong 2.5D Corning® Gorilla® Glass 2.1mm slim bezel Bluelight filter for eye care Capacitive touch panel with 10 points multi-touch (support glove touch) Smudge-resistant oleophobic coating Processor CPU: Qualcomm® Snapdragon™ 660 Mobile Platform with 14nm, 64-bit Octa-core Processor Qualcomm® Snapdragon™ 630 Mobile Platform with 14nm, 64-bit Octa-core Processor FinFET LPP (Low Power Plus) powersaving technology GPU: Qualcomm® Adreno™ 512 (SD660) Qualcomm® Adreno™ 508 (SD630) Memory LPDDR4x 4GB / 6GB Main Rear Camera 5x light sensitivity low light photos (compared with a typical camera with 16 megapixels, F1.7 & 1.12µm pixel size) Sony flagship IMX362 12 megapixels dual pixel image sensor – 1/2.55″ large sensor size, 1.4µm large pixel size F1.8 aperture 25mm equivalent focal length in 35mm film camera 6p lens 83° field of view 0.03 seconds Dual Pixel PDAF 0.03 seconds subject-tracking auto-focus 4-axis, 4 stops optical image stabilization Color correction (RGB) sensor LED flash Instant cameras switching PixelMaster camera modes: Auto (with low light and HDR features) Beauty Portrait Pro (RAW file support / up to 32 seconds long exposure) Super Resolution (48 megapixels) GIF Animation Panorama Slow Motion Time Lapse (with power saving) 9 various filters Second Rear Camera 8 megapixels 120° wide-angle camera 200% wider view for more friends and scenery in the frame 12mm equivalent focal length in 35mm film camera Video Recording 4K UHD (3840 by 2160) video recording at 30 fps for main rear camera 1080p FHD video recording at 30 / 60 fps 720p HD video recording at 30 fps 3-axis electronic image stabilization for rear camera’s shake-free videos 120˚ wide-angle video Slow Motion video (1080p at 120 fps / 720p at 240 fps) Take still photo while recording video Front Camera 8 megapixels F2.0 aperture 24mm equivalent focal length in 35mm film camera 84° field of view PixelMaster camera modes: Auto (with low light and HDR features) Beauty Portrait Selfie Panorama GIF Animation 9 various filters Audio Speaker Dual speakers 5-magnet speaker with NXP Smart Amp for louder, deeper and less distorted sound effect Audio Output Hi-Res audio 192kHz/24-bit standard that is 4 times better than CD quality DTS (Digital Theater System) Headphone:X™ 7.1 virtual surround sound for headphone support Audio CODEC integrated into PMIC Microphone Dual internal microphones with ASUS Noise Reduction Technology FM Receiver FM radio Wireless Technology WLAN 802.11 a/b/g/n/ac Bluetooth 5.0 Wi-Fi direct NFC Navigation GPS, AGPS, GLO, BDS, GAL SIM Cards Dual SIM dual standby Slot 1: 2G/3G/4G Nano SIM card Slot 2: 2G/3G/4G Nano SIM card, or the MicroSD card (supports up to 2TB) at a time Both SIM card slots support 3G WCDMA / 4G LTE network band. But only one SIM card can connect to 3G WCDMA / 4G LTE service at a time. Network Standard GSM/GPRS/EDGE; WCDMA/HSPA+/DC-HSPA+; TD-SCDMA; CDMA 2000; FDD-LTE; TD-LTE Data rate LTE Cat12 UL 150 / Cat13 DL 600 Mbps DC-HSPA+: UL 5.76 / DL 42 Mbps 2CA / 3CA support (by specification and region) Operator with NFC version FDD-LTE (Bands 1, 2, 3, 5, 7, 8, 18, 19, 20, 26, 28, 32) TD-LTE (Bands 38, 39, 40, 41) WCDMA (Bands 1, 2, 3, 5, 6, 8, 19) EDGE/GPRS/GSM (850, 900, 1800, 1900MHz) CN with NFC version FDD-LTE (Bands 1, 2, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41) WCDMA (Bands 1, 2, 5, 8) TD-SCDMA (Bands 34, 39) CDMA (Band BC0) EDGE/GPRS/GSM (850, 900, 1800, 1900MHz) TW-2CA with NFC version FDD-LTE (Bands 1, 2, 3, 5, 7, 8, 18, 19, 28) TD-LTE (Bands 38, 39, 40, 41) WCDMA (Bands 1, 2, 3, 5, 6, 8, 19) EDGE/GPRS/GSM (850, 900, 1800, 1900MHz) TW-3CA with NFC version FDD-LTE (Bands 1, 2, 3, 5, 7, 8, 18, 19, 28) TD-LTE (Bands 38, 39, 40, 41) WCDMA (Bands 1, 2, 3, 5, 6, 8, 19) EDGE/GPRS/GSM (850, 900, 1800, 1900MHz) WW/ID/IN without NFC 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) BR without NFC version FDD-LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 28) WCDMA (Bands 1, 2, 4, 5, 6, 8) EDGE/GPRS/GSM (850, 900, 1800, 1900MHz) NA/SA with NFC version FDD-LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 28) WCDMA (Bands 1, 2, 4, 5, 6, 8) EDGE/GPRS/GSM (850, 900, 1800, 1900MHz) ASUS phone 4G/LTE band compatibility varies by region, please check compatibility with local carriers. Sensor Front fingerprint sensor (0.3 seconds unlock, supports 5 fingerprints), Accelerator, E-Compass, Gyroscope, Proximity sensor, Ambient light sensor, Hall sensor External Buttons and Connectors Fingerprint sensorOn/Off Sleep/WakeVolume up/down3.5mm audio jack (1 Headphone / Mic-in)Built-in speakerUSB-C connector Battery 3300mAh with fast charging 5 minutes charge for 2 hours talk time 36 minutes charge to 50% capacity Up to 23 days 4G standby Up to 30 hours 3G talk time Up to 16 hours video playback Up to 18 hours Wi-Fi web browsing Power Adapter Output: 9V 2A 18W* & 5V 2A 10W** * The ZenFone 4 with a Qualcomm® Snapdragon™ 660 Mobile Platform comes equipped with a 18W charger but charge is limited to 15W for technical and safety reasons. ** The ZenFone 4 with a Qualcomm® Snapdragon™ 630 Mobile Platform comes equipped with a 10W charger. Operating System Android Oreo™ with new ASUS ZenUI 4.0 ASUS ZenUI includes: Launcher Themes ZenUI Safeguard Fingerprint Sensor ZenMotion Gallery ASUS MyCover SelfieMaster File Manager Weather Game Genie Camera Clock Calculator Mobile Manager Keyboard Phone Contacts Page Marker AudioWizard In the Box ZenFone 4 with Android Oreo™ and new ASUS ZenUI 4.0 ASUS earphone with microphone Type-C USB cable Ejector pin (SIM tray needle) USB power adapter (SD660 / 15W) USB power adapter (SD630 / 10W) Documentation (user guide, warranty card) Clear soft bumper (optional) Note Specifications and contents may vary by region.