This model seems to be having a rough reception. Issues seem to plague it if you follow the web. Frankly it's not a model I would consider given the attitude Samsung seems to take over their designs. They seem to be as bad at this as Microsoft and the Windows 8 Start Button.
Bob
-> http://forums.cnet.com/samsung-forum/
After the Tab first connected to the internet, it has downloaded some updates that it installed at last shut down process. Next time i started the device, the touchscreen hasn't worked. I tried to reboot is, but the problem is still here... Anybody knows how to solw this problem?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic