Display: 4.5 inch, Resolution 480 x 854, 218ppi
Weight: 140g
CPU: 1.3GHz Quad Core
SoC: MediaTek MT6582M
GPU: Mali 400 MP2
RAM: 1GB
Storage: 4GB internal up to 32GB microSD
Camera: 8 MP front & 2 MP back
Dual SIM
GPRS - EDGE � HSPA+
WiFi b, g, n, WiFi hotspot
Blutooth 4.0
USB 2.0
Battery: 1800mAh
Make sure you are downloading the exact ROM of the device you want to flash because flashing a wrong preloader, will make the device completely dead
(can't power on, can't charge and will not be detected by a computer)
Follow the instructions on how to flash the device carefully from the links below
I will not take responsibility on whatever may happen to your device.
Learn how to flash this device using SP Flash Tool from here
Learn how to flash this device using SP MultiPortDownloadTool from here
Blackview JK450 Stock Firmware
Android 4.2 Jelly Bean
JK450_V0.6_20150320
Size - 367MB