Asus Zenfone 2 ZE551ML smartphone runs on Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow) operating system. The phone is powered by Quad-core 2.3 GHz (4 GB RAM model) -Quad-core 1.8 GHz (2 GB RAM model) processor. It has 16/32/64 GB, 2/4 GB RAM. Internal storage options which can be extended with the help of microSD, up to 256 GB (dedicated slot). The smartphone has a IPS LCD providing, Screen-to-Body Ratio of 70.8%. The smartphone is fueled with a 3000 mAh, Non-removable Li-Po. The main camera of the smartphone consists of a 13 MP, Single. The sensors include Accelerometer, gyro, proximity, compass. Connectivity features in the smartphone include Bluetooth, A-GPS, GLONASS, Wi-Fi, NFC, 3.5 mm Jack and more. The Asus Zenfone 2 ZE551ML are available in various colors such as Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic White. It measures 152.5 x 77.2 x 10.9 mm and weighs 170 g.

Hardware and OS Asus Zenfone 2 ZE551ML
Operating system:	Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow)
Processor:	Quad-core 2.3 GHz (4 GB RAM model) -Quad-core 1.8 GHz (2 GB RAM model)
Chipset:	Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
GPU:	PowerVR G6430
Internal memory:	16/32/64 GB, 2/4 GB RAM
External memory:	microSD, up to 256 GB (dedicated slot)
Display Asus Zenfone 2 ZE551ML
Type:	IPS LCD
Size:	5.5" inc
Resolution:	1080 x 1920 px
Protection:	Corning Gorilla Glass 3
Touchscreen:	capacitive touchscreen
Screen-to-Body Ratio:	70.8%
Display area:	83.4 cm²
Display aspect ratio:	16:9 (height:width)
Pixel Density:	401 PPI
Colors:	16M
Connectivity Asus Zenfone 2 ZE551ML
2G Network:	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network:	HSDPA 850 / 900 / 1900 / 2100
4G Network:	LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 9(1800), 18(800), 19(800), 28(700) - Taiwan
Wi-Fi:	Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
Network:	GSM / HSPA / LTE
SIM card:	Dual SIM (Micro-SIM, dual stand-by)
Bluetooth:	4.0, A2DP, EDR
Edge:	Yes
GPRS:	Yes
GPS:	Yes, with A-GPS, GLONASS
NFC:	Yes
Speed:	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
USB:	microUSB 2.0, USB Host
Camera Asus Zenfone 2 ZE551ML
Main camera:	13 MP, Single
Specs:	13 MP, AF, f/2.0
Features:	Dual-LED dual-tone flash, panorama, HDR
Video:	1080p@30fps
Selfie camera:	5 MP, Single
Specs:	5 MP, f/2.0
Multimedia Asus Zenfone 2 ZE551ML
3.5 mm Jack:	Yes
Radio:	FM radio, RDS
Design Asus Zenfone 2 ZE551ML
Colors:	Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic White
Body build:	Plastic body
Dimensions:	152.5 x 77.2 x 10.9 mm
Weight:	170 g
Battery Asus Zenfone 2 ZE551ML
Battery capacity:	3000 mAh, Non-removable Li-Po
Other Asus Zenfone 2 ZE551ML
SAR:	SAR EU - 0.35 W/kg (head)
Release date:	2015, January
Sensors:	Accelerometer, gyro, proximity, compass