I was on 4.4.4 on my rooted AT&T Galaxy S5. My phone was being very slow, so I decided to do a restore/reset. The only version of the Stock rom I could find online was 4.4.2 on Sammobile. Thus, I flashed 4.4.2 using Odin and did a factory reset and then rerooted using towelroot.
So now, I have...