I have a xt926, unlocked, rooted, running KK4.4.2, 183.46.10, (huge thanks to Samuri and everyone else in this forum who has mastered these devices and their innards). I never tried any video playback or streaming on 4.1.2 which is how the phone came to me brand (a few weeks ago).
My problem is Netflix, no matter what content I watch, has a major A/V sync delay. I haven't tried any other video playback yet, (MX, Hulu, etc.) because I watch a fair amount of Netflix.
Has anyone else had this problem on the Maxx HD? I have scoured google and have found no real fix. It sounds like this is a common problem with 4.4.2
My next step was to update to 183.46.15 and keep root, etc, to see if they fixed something in the update. Any suggestions?