Just a quick question regarding Odin. I am currently running Syndicate Frozen ROM EX4. Due to poor battery life and just awful reception I am going to Odin the latest Gingerbread EF02 leaked ROM to see if that fixes my issues. My question is that if I am currently on EX4 does that matter at all when I Odin EF02 or do I need to find the EX4 version?