You can try a factory reset to clear up caches and more but that's fairly technical. Most folk just factory reset to get a fresh start.
Bob
Hi I have a samsung tab with model p6800, and I was facing a problem from last one month, that I amn not able to copy anything from tab, like not from browser, whatsapp, viber etc, when I was trying to copy anythis its showing one error that this fucntioning is supported to your divice.
Please suggest and help to resolve this issue

Chowhound
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GameFAQs
GameSpot
Giant Bomb
TechRepublic