ATV 2 new update 5,1 i have proplems with network now..

i have make the new update 5,1 with my ATV 2 , now i have proplems with my network … did i look a big mkv movie (16GB) any 1 minute a have puffert … any time the movie stopp and load new… than the movie stop and say the network is do small… i never proplems with the old update… my wlan is good… smaller movies is going … but the big HD movies with ac3 5.1 sound is not working now… with the new update . please fix this proplems . thanks 


syr for my english . but i think you dont have a german support team ?? 

The Problem is still , please help me … Can i go back to the Old updates