Gfive Presdent Smart 6 firmware 4.4.2

Gfive Presdent Smart 6 SPD Sc77xx firmware
How To Flash:
FactoryDownload/ResearchDownload
  1. Unpack ROM and extract File.pac
  2. Run ResearchDownload or FactoryDownload
  3. Click on "Load packet" and add the .pac
  4. Click on "Start"
  5. Connect your android device to the computer
  6. During the flashing your mobile will restart automatically
  7. Finish.
Full Tutorial Here