Archive name: JK890_Blackview_V0.5_20150323
Firmware image: JK890_Blackview_V0.5_20150323
FW version: Android Jelly Bean 4.2 stock
Archive file size: 307 MB
Model: Blackview JK890 smartphone
Platform: MediaTek MT6572
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.