How can I shut off sync or change its frequency? I think the term is: how do I pull not push? I don't want the phone constantly checking for FB, new email, etc. every 30 seconds. But I cannot work out how to:


Limit this to once every hour or less
Stop it so that I can refresh when I want to know (and it doesn't keep doing it in the background)


Please advise.
As well as the other answers, you can change the frequency that some accounts sync by going to Settings -&gt; Accounts and sync.  For instance, when I click on my Facebook account from there I can change the "Social networking sync interval" to none, 3 hours, 6 hours, 12 hours, or once per day.