Well either way you'll never get anywhere without 4.4.2 because you said that's what you have.. It won't flash anything below that so try 4.4.2
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I want to get back 4.2 or 4.3 JB cuz Kit Kat is so awful. Ive read threads (or so I thought) that you can flash down, unless I'm just misunderstanding them. reflashing 4.4.2 wont fix problems, or will it by rooting then I can add a custom ROM?