Alcatel OT 918 MIX bricked

Hi,

Im going here to find possible help to my issue.
I wanna root my OT 918 MIX but its work wrond...
Now cant run phone, u got black screen, ill try seceral tuto from this forum but nothing...
I got :
BROM ERROR S_DL_GET_DRAM_SETTINGS_FAIL (5054) – BROM Error 5054

I use right scatter file for OT 918 MIX

Any suggestion to unbrick it ?
Thx by advance for your answers.