Kingzone Z1 is cheaper 4G smartphone and only costs $189.99.However,specs consists of Octa Core 5.5 Inch Gorilla Glass Screen.

you can know much :Kingzone Z1 Smartphone 4G LTE Octa Core 5.5 Inch Gorilla Glass Screen Android 4.4 OS


Basic Information
Model kingzone z1
Band GSM 850/900/1800/1900MHz
WCDMA 3G 850/900/1900/2100MHz
FDD-4G LTE: 800/1800/2100/2600MHz
Sim Card Dual sim dual standby
Service Provide Unlocked
Style Bar
Color Black/White
Shell Material Plastic

System
OS:Android 4.4 kitkat OS
CPU:MTK6592M Octa core processor, 1.4GHz Processor
ROM 16GB
RAM 2GB

Screen
Display Size 5.5 Inch
Type IPS Capacitive SScreen
Resolution 1280 x 720 pixels HD screen

Camera/Picture Resolution Dual Cameras, 8.0MP front camera, 13.0MP back camera with flashlight and auto focus,