Samsung Tablet won't change factory settings

A

Android Question

Guest
Help! I got this tablet for Christmas. I love it, but I cannot change the factory settings.
For example: I've tried to change the sleep mode time from 15 seconds to 5 minutes, but whenever I click out of the screen, it reverts back to 15 seconds. There doesn't seem to be way to save it. Any ideas?

Cheers
Andrea
 
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