I recently buy this MP3/MP4 player and I backup his original FW. If any one need I can upload.
Blueberry CAT-512MB (mine)
1.5 full color display
mp3/wma/wav/wmv/asf/mtv movie/jpg/gif/animated gif/amv
FM stereo radio
40 FM preset stations
built in speaker
built in microphone
hi-fi recording
rechargeable LI-battery
USB 2.0 high speed connection
7 equalizer preset modes
games: box man/bricks/color bead
txt reader
phone book