I completed a Firmware update the first night I was having trouble. The Firmware recommended by Samsung was 2003.2 for this TV. I'm sure they must be trying to make a new version for everyone that lost their connectivity due to their recent changes..... or else there will many new TV purchases...
Tried that already working with Samsung Techs. It didn't work. Seems like there have been many posts here regarding the same thing with connecting to TV to the WiFi. Has anyone found a solution yet?
I was experiencing some problems with our 2 year old UN55ES7100 Samsung 3D TV with Netflix, so I decided to replace my 10 year old Linksys WRT54GS Wireless G Broadband router. I installed a new Netgear Nighthawk AC1900 Smart WiFi Router. Our 2 I-phones and 2 I-pads lit up in about 5 seconds...