Hi guys im an xperia s LT26i user and i have an unlocked bootloader. Im currently running cm11 rom by raymanfx. The last time i tried to flash 4.1.2 rom i did NOT wipe system and i ended up getting a bootloop and soft brick. So if i am running cm11 and if i want to downgrade to 4.1.2 do i need to wipe system, data, cache and dalvik cache? cache and dalvik is a must but if i wipe system and data will it work?