Hard brick app erased my internal memory

[Olvers974]

HEllo,

I'm french, and i rooted my phone.
A app has erased my phone, and i have a message after flash with ODIN :
E:failed mount/ efs ( invalid argument )
i can't to make a wipe data/factory reset.
FRP LOCK OFF
OEM LOCK ON

So, it's problematic !
I can't flash TWRP, SuperSU,EFS ...
I've my save EFS of CUSTOM ROM make to the TWRP

And the factory binary doesn't boot ...
My firmware is AQG5 (TIM mobile ITALY)

SMART SWITCH install the firmware, but doesn't boot ...
I'm blocked on the bootloader samsung !

HELP ME please O

 

[mary beth hale]

You may want to check xda-developers site. They are the experts for rooting, ROMing, recovery, unbricking , etc