Hi,
First decide what ROM do you want.
If you want to use this ROM just flash this in EDL and your phone will be alive.
It contains only BL from previous release:
https://www.dropbox.com/s/eefyj4f4s5xzsdi/Patch-Mi-Max.rar?dl=0
If you want other ROM this file contains BL, Boot, and TWRP for...