2nd step: A window will appear like below and select Browse my computer for driver software
3rd step: To select driver go to driver folder> USB VCOM Driver> Win7
4th step: Windows security window will appear. Select Install this driver software anyway
5th step: Wait until Windows has successfully updated your driver software
6th step: Now go to Driver Folder> Open MS_USB_ComPort_Driver_exe_v1.1032.1 > Install Driver
2. Open Flash Tool
6. Then start downloading..
7. When it shows Firmware Upgrade , then installation is completed.