Im using a Smart tv 46'' 7606
First, the TV is great. In every sense regarding image qualiy and sound... but

The network area... mmmm. slow connection speed, low quantity/quality of apps.
The most important (for networked TV) is Youtube issues.

1) Very low download speed ) wired and no problem with the rest of devices in the same network
2) Incredible short cache for youtube videos. just a few seconds, but combined with the low speed it makes it an incredible potential product in useless. I try to add a USB key, and a SD Card, hopping that the "smart" tv use it as additional cache, but No.

Im using the last firmware update.

Any ideas?
Any help?