I am trying to download a sample of a book. I did exactly what the apple IPad2 instructions said below. When I try to change books from "off" to "on" it jumps right back to "off". I am signed in since it is showing my apple ID. Where do I go from here? Thanks in advance. Tap Settings > Store on your device. Tap Sign In if you're not already signed in to the iTunes Store. Enter your Apple ID and password. Tap On/Off switch to enable or disable Automatic Downloads for each content type.