New firmware update as of today. I really hope it helps with my WiFi issues (long story - last update caused my player to have to be completely reset up after each time being turned off and on regardless of encryption mode, auto or manual DNS config, WPS, etc settings). I just decided to work on this task today since it has been driving me nuts and coincidentally the update came out today.
http://www.samsung.com/us/support/owners/product/BD-C6500/XAA
< BD-C6500 Firmware > This Firmware update provides the following benefits: Ver.1027.0 Dec.17.2012
- Improve specific disc''s playback capabilityVer.1025.1 Jan.17.2012
- Improve specific disc''s playback capabilityVer.1024.0 Nov.14.2011
- Improve specific disc''s playback capability.Ver.1023.0 Oct.06.2011
- Improve specific disc''s playback capability.Ver.1022.3 Sep.09.2011
- Improve specific disc''s playback capability.Ver.1021.1 Apr.22.2011
- Improved specific BD title''s playback compatibility Ver.1020.1 Dec.27.2010
- Improved specific BD title''s playback compatibility
- Improved 4:3 display in the Netflix movie Ver.1019.0 Nov.12.2010
- Improved OSD stringVer.1018.0 Oct.26.2010
- Improved specific BD title''s playback capability.Ver.1015.4 Jul.23.2010
- Improved specific BD title''s playback capability.Ver.1013.4 Jun.23.2010
- Improved specific BD title''s playback compatibility
- improved Internet TV''s capability
- improved ''Dynamic Range Control'' setup menu Ver.1012.6 Jun.09.2010
- Improve specific BD & DVD title''s playback capability.
- Improve MKV capability.
- Improve Widget capability.Ver.1010.4 Apr.14.2010
- Improve specific BD title''s playback capability.
- Improve BD WISE capability.
- Improve KMV capability.
- Improve Network Setting capability.
- Improve OSD StringVer.1009.1 Apr.02.2010
- Improve HDMI-CEC''s language error
- Improve ''BD data management'' capability Ver.1008.1 MAR.15.2010
- Improve VUDU DD+ patch
- Improve specific BD Title''s playback capability
- Imporve MPEG file playback capability
- Improve Wi-Fi connection capability