(adsbygoogle = window.adsbygoogle || []).push({}); Hi, i need help modding a game save for COD MW3 and am wondering if its still possible to use PS3 Save resigner or any other program to get god mode and all perks cheats for Spec ops survival on Modern Warfare 3 on ps3. My system IS NOT jailbroken and is latest system update version. Can it still be done? Please help!!

Does your PS3 absolutely need to be Jailbroken in order to Modify or Alter a game save for COD MW3?