There was a firmware upgrade released for your product on the 15/01/2014. You can view and download this file from the following link:http://www.samsung.com/uk/support/m...
The Ethernet jack on the back of the TV is for the Ethernet cable, to make a wired connection to the internet.
In regards to the RCA and SCART jacks, we recommend you contact a member of our AV technical team on 0330 726 7864 who will be able to talk this through with you.
answered 1 month, 2 weeks ago