I have heard a lot of questions and debate about whether the iOS updates download automatically:
“Available updates download automatically if your device is connected to Wi-Fi and a power source.” http://support.apple.com/kb/HT4623 <http://support.apple.com/kb/HT4623> /mark <http://support.apple.com/kb/HT4623> <http://support.apple.com/kb/HT4623>
