Home button malfunction
One of our iPad2s is experiencing intermittent home button unresponsiveness. I found a forum that suggests twisting the iPad, or holding in landscape mode and squeezing the sides with your palms, or pressing hard on either side of the home button, not on the button, helps fix the problem. Some suggest it is related to temperature expansion and advise cooling it down. This is very common and there are many reports of people receiving brand new ones with this issue. Circumstantial evidence points to a minor hardware glitch rather than a software issue. If you can get it to misbehave while Apple is looking they will replace it, however the new one is likely to run into the same problem eventually. Hope this advise helps.