Dimensions: 73.2 x 145.6 x 8.6 mm
Display: 4.7 inch, Resolution 720 x 1280
Weight: 164g
CPU: 1.3GHz Quad Core
SoC: MediaTek MT6582
GPU: Mali 400 MP2
RAM: 1GB
Storage: 8GB internal up to 32GB microSD
Camera: 13 MP back & 5 MP front
Dual SIM
GPRS - EDGE � HSPA+
WiFi b, g, n, WiFi hotspot
Blutooth 2.0
USB 2.0
Battery: 2200mAh
Note
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 JK900 Stock Firmware
Android 4.4.2 Kitkat
Size - 399MB