Firmware links :
MT6580__VODAFONE__VFD_300__Smart_mini7__VFD300__al ps-mp-m0.mp1-V2.34_jhz6580.weg.vf.m_P38__Android_6.0
PID: V300-2AVDZA1 (Vodafone South Africa); BOX BACKUP ; Reported as tested and working
MT6580__VODAFONE__VFD_300__Smart_mini7__VFD300__al ps-mp-m0.mp1-V2.34_jhz6580.weg.vf.m_P115__Android_6.0
PID: V300-2AVDZA1 - (Vodafone South Africa) ; BOX BACKUP ; pass: humapkehaikon
*** EDIT:
One more ROM for test - download :
MT6580_S00_EMMC_MRA58K__6.0_VFD 300_Vodafone
PID: V300-2BVDAU1 (Vodafone AUstralia)
NOTE: First two downloads are box backup, single file,
which can be unpacked using 7zip archiver.
After unpacking, use attached Scatter file, put in unpacked folder.
Load scatter in SPFlashTools, go to tab FORMAT,
do FORMAT ALL EXCEPT BOOTLOADER, and do format.
After finished, go to download tab and flash the phone normally,
it will restore all sensitive partitions.
If your device doesn't power on, use flash file from 3rd link,
which have preloader inside, then if bootloop,
use above procedure.
try and post results.
b.r.
Alex