I bought this on Ebay. Supposedly 8GB MP4 Gen4. How do I find out what it is actually? Then hopefully I can figure out how to load the correct firmware. I have tried to attach photo. Higher res
here
Circuit board:
QS20K21_B-KEY VO.3
Firmware:
2008/09/05
9.5.54
QS_AK2025
2008/04/23