OKay as you guys know i have bricked my 2nd razr M! 
in this device (when bricked)
bootlloader was LOCKED
Recovery Was nOT OPENING (now i managed to open)
Safestrap was installed but was not opening
-------------------------------------------------------
here what happens:
when i open phone it goes to M and then Fastboot with message AP FASTBOOT REASON BOOT FALURE!
-------------------------------------------------------
What i already did:
=tried RSD lite but Preflash Securty Downgrade (something like this error i cant remember perfectly)
=Flashed Recovery.img manully (by command) it flashed and now i can open recovery yay!
= tried to maually flash!
-----------------------------------------------------------
where i need help:
WHEN I TRY TO FLASH ROM I GET :signature verification failed Error!..
i tried following ROMS!
=cynogenmod
=stock 4.0.4 (when my phone was bricked the stock rom was 4.1.2)
=eclipse
= jellyblast!
now i am downloading 4.4.2
but why this signature verification failed error is coming neeeedddd helpppp!
in this device (when bricked)
bootlloader was LOCKED
Recovery Was nOT OPENING (now i managed to open)
Safestrap was installed but was not opening
-------------------------------------------------------
here what happens:
when i open phone it goes to M and then Fastboot with message AP FASTBOOT REASON BOOT FALURE!
-------------------------------------------------------
What i already did:
=tried RSD lite but Preflash Securty Downgrade (something like this error i cant remember perfectly)
=Flashed Recovery.img manully (by command) it flashed and now i can open recovery yay!
= tried to maually flash!
-----------------------------------------------------------
where i need help:
WHEN I TRY TO FLASH ROM I GET :signature verification failed Error!..
i tried following ROMS!
=cynogenmod
=stock 4.0.4 (when my phone was bricked the stock rom was 4.1.2)
=eclipse
= jellyblast!
now i am downloading 4.4.2
but why this signature verification failed error is coming neeeedddd helpppp!
