Unhappy [Q] kernel killed my fone

can anybody suggest how i can repair my fone , i flasshed doomlrds kernel for my unlocked bootload xperia s it showed the grim reaper on the screen then just died i cant re flash it or reflash firmware using flashtool and it wont boot up before this everything was working fine now its just a brick please help me to fix my fone Is there anyway to fix this or do i have to take it to be repaired ps no warrantee or anything