Reviews: since it was a sigmatel chip based player, all I did was to experiment with various versions of sigmatel MSCN players (firmwares available at various websites for look-a-like players with same chip..STMP35xx) :but none worked...it was basically copying and dropping them on program folder "Mscn" under Sigmatel, and saying yes to all, when replacing files...Curtis MP1003 STMP3503 based MP3 Player...
Retrevo's Recommendation: Average Buy for Everyone