Playback of mp4 h264 files on nv shield

I’m having trouble playing mp4 files with h264 encoding and audio aac on nvidia shield with plex server on nvidia shield. plex server version: 1.11.3.4793.

the movie crashes saying that the server can not play the file smoothly (they are in glan).

With the previous version everything went wonderfully.

Good morning,
I discovered what the problem was.

the client version for android nv shield.

with the latest version (output together with the plex media server) gives me these problems, restoring the version of months ago now works as before. I await update for Android (googleplay).

Good day.