Ok here it is:
1. download in your computer the drivers
2. install drivers
3. restart your computer (just to be sure)
4. now... turn off your phone
5. plug your USB cable in your computer
6. plug your USB cable in your phone
7. new hardware detected should appear... and should install drivers automaticaly
8. after the drivers are installed unplug your cable from the phone and restart your computer (just to be sure)
9. after restart start flash tool
10. load scatter file from ROM directory(shoul be target_bin directory)
11. check DA,DL WITH CHECKSUM (NOT OPTIONAL)
12. press Firmware Upgrade button (NOT DOWNLOAD BUTTON)
13. now just now plug usb cable to your phone.
14. firmware flash should start.
15. iff the firmware is not starting remove the case of your phone and hold pressed the little red button for about 20 seconds then release. All this must be done with cable pluget in to your phone.
16 Good luck.