Download required files
GM Discovery 16Gb SpFlashTool Rom and auto installer
or
I-Run Yazilim_Yukleme_Araci_KitKat_16GB.exe(All drivers and firmware update tool automatically installed)
II-Click download button after connect device without battery.
III-If you need fix imei number Click Here
That's All
*if you need Root
IMPORTANT:DOWNLOAD FIRMWARE INSERT BATTERY TO DEVICE,POWER ON AND WAIT 5 MINUTES(aprox.).
Attention:This solution %100 tested on 3 devices.4032 error fixed.