[rost]

Found this about format support
Mebook:
MP3, OGG, WAV, AAC, APE, AMC, AMV, FLAC
MPEG 1/2, DAT, VOB, FLV, 3GP, RM, RMVB, AVI (DIVX 3 or 5, XVID, MPEG-4 codecs), MKV
JPG, BMP, GIF
TXT, FB2, PDF, EPUB
Skytex:
MP3, WMA, APE, FLAC, AAC
RMVB, VOB, DAT, MP4, FLV, 3GP
JPG, GIF, BMP
PDF, ePub,FB2, HTML, TXT, Mobi
Migear:
MP3,WMA
JPEG,BMP
PDF(DRM enabled!),TXT, EPUB, CHM,RTF,HTML
BLiP Color eReader
https://www.bottomlinesecrets.com/bl...sid=D120410A1A

So if you want read books- use migear firmware
if you want different media support- use skytex firmware or original mebook
can't find mebook site