Few screen shots from N73 flashing process on MXKEY software with
ATF (Advance Turbo Flasher) as interface:
1. Selecting the interface: 
2. Turbo Flashing N73 with MXKEY using ATF (Advance Turbo Flasher) 
3. Turbo Flashing N73 with MXKEY using ATF (Advance Turbo Flasher) done in 3 minutes and 50 seconds 
Thnx to Alim for hard work.
BR,
Manole