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Asus Zenfone 3 ZE520KL has Android 6.0.1 (Marshmallow), It offers an internal memory of 32/64 GB with 3&4 GB RAM, It presents a screen of Full HD resolution, And it comes with a battery capacity of 2600 mAh .

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Asus Zenfone 3 ZE520KL specifications

General

6590 Announce date : July, 2016
6590 Release date : August, 2016
6590 Height × Width : 146.9 mm x 74 mm (5.78 x 2.91 in)
6590 Thickness : 7.7 mm (0.30 in)
6590 Weight : 144 g (5.08 oz)
6590 SIM : Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)
6590 Colors : Sapphire Black, Moonlight White, Shimmer Gold

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Display

6590 Display type : Super IPS+ capacitive touchscreen, 16M colors
6590 Screen size : 5.2 inches (~68.6% screen-to-body ratio)
6590 Resolution : 1080 x 1920 pixels [ Full HD resolution ]
6590 Pixel density : (~424 ppi pixel density)
6590 Multitouch feature :   yes, up to 10 fingers
6590 Asus ZenUI 3.0 :   yes
6590 Protection : Corning Gorilla Glass 3

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Camera & Video

6590 Rear camera : 16 MP, f/2.0, 4-axis OIS, PDAF & laser AF
6590 Camera features : Dual-LED (dual-tone) flash, panorama, HDR
6590 Video : 2160p@30fps, 1080p@60fps [ 4K UHD video ]
6590 Front camera : 8 MP, f/2.0, 1080p@30fps

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Memory

6590 Expandable memory : Card slot microSD, up to 256 GB (uses SIM 2 slot)
6590 Internal Memory : 32 GB with 3 GB RAM or 64 GB with 4 GB RAM
6590 RAM : 3&4 GB RAM

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Battery

6590 Battery type : Non-removable Li-Ion
6590 Battery capacity : 2600 mAh

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Platform

6590 Operating System : Android 6.0.1 (Marshmallow), upgradable to 7.0 (Nougat)
6590 Chipset : Qualcomm MSM8953 Snapdragon 625 (14 nm)
6590 Processor : Octa-core 2.0 GHz Cortex-A53
6590 Graphics : Adreno 506

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Network

6590 2G bands : GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2
6590 3G bands : HSDPA 850 / 900 / 1900 / 2100 / 800 – Taiwan & HSDPA 850 /
6590 3G bands : 900 / 1900 / 2100 – Global & HSDPA 850 / 900 / 2100 – India &
6590 3G bands : HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 – Brazil
6590 4G bands : LTE – Taiwan & LTE – Brazil & LTE – India (Band 40)
6590 Speed : HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps (Global) or LTE-A
6590 Speed : (2CA) Cat6 300/50 Mbps (TW/HK/SG/PH)
6590 GPRS :   yes
6590 EDGE :   yes

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Sound

6590 Alert types : Vibration, MP3, WAV ringtones
6590 Loudspeaker :   yes
6590 3.5 mm jack :   yes
6590 24-bit/192kHz audio :   yes

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CONNECTIVITY

6590 WLAN : Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
6590 Bluetooth : 5.0, A2DP, LE
6590 GPS :   yes, with A-GPS, GLONASS, BDS
6590 USB : 2.0, Type-C 1.0 reversible connector
6590 Radio : FM radio, RDS
6590 Infrared port :   yes

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Features

6590 Sensors : Fingerprint (rear-mounted), Accelerometer, Compass, Proximity,
6590 Sensors : Gyro, Ambient light sensor
6590 Messaging : SMS (threaded view), MMS, Email, Push Email, IM
6590 Browser HTML5 :   yes
6590 MP3/WAV/eAAC+ player :   yes
6590 MP4/H.264 player :   yes
6590 Document viewer :   yes
6590 Photo/video editor :   yes

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Asus Zenfone 3 ZE520KL disadvantages

6590 NFC :   No
6590 Removable battery :   No
6590 Water & Dust resistant :   No
6590 Barometer sensor :   No
6590 Temperature sensor :   No
6590 Active noise cancellation with dedicated mic :   No
6590 Fast battery charging :   No