Readability by some of Pioneer Car Navigation systems and some of DVD-ROM drives is improved for the written DVD-R and DVD-RW discs by DAO(Direct-At-Once) method
Support DVD-R DL Media
(6x writing: Mitsubishi Chemical Corporation(Verbatim))
(2x writing: DVD-R DL Media of other than Mitsubishi Chemical Corporation )
Support New 16x DVD-R Media
(12x writingFFuji Film/Prodisc/MBI/RITEK)
Support New +R 16x Media
(12x writingFRicoh/RITEK/Optodisc/DAXON)
Support New +R 8x Media
(8x writing:Intermedia/DAXON/Infodisc/Infomedia
DVD Writability has improved
DVD Readability has improved
CD-R/RW Writability has improved

Once updated to version 1.40, this drive will not revert to older firmware versions.