I just upgraded my 3GS iPhone to a iPhone 4. For some reason, since the upgrade, I have noticed that my calendar entries that are being inputted on my Mac in iCal, on the me.com website, or on my iPad are not syncing to the iPhone, but are syncing between the other three places. Mail is working just fine, but if I add an event on my iPhone, it will not go to my Mac or iPad (or me.com) or vice versa. However, if I add an event on my computer, it is syncing just fine onto the iPad and the website. Anyone have this issue and/or ideas/solutions? I tried setting it to Manual sync instead of Push in case there was an issue with multitasking and that didn't help either.. Thanks so much in advance!