Yes, the firmware 3.00 ET firmware, file name: 20050304101504890_FW_YH820.mi4 has the fm tuner available. It could be downloaded from
Samsungs support page: http://www.samsung.com/download/Model_Select.aspx?type=Digital+Audio+Player&typecode=8&subtype=HDD-Yepp&subtypecode=804&model=YH-820&filetype=SW_cm&language=
Gustaf N.
March 2008