avi formats stop working

Hi i have a problem to open avi formats on m8,it says unsupported media format, can some one help me. my Firmware 0.9.3.9.

avi is not a media format, it is a container. M8 is able to play most (maybe all) of the video formats that avi allows, but you might have a movie that was just renamed to avi. Check with MediaInfo to find out what you really have there. Also check some regular DivX movie if that runs.

I dont think it was the problem, because the avi works after i reinstalled the firmware.

Even though M8 the m8 supports avi format, I often find that playback of this container is just ok...not smooth.... converting ur movie or clip to an mp4 will result in much smoother playback. I use a program callled Allok video converter.. it will quicly encode almost any format into mp4.. and u can resize the movie to the M8 native 480x720 if u got h264 HQ movies that are large files.