iOS 6.1.2 addresses a bug that can cause excessive communication with the calendar component of Exchange, if you have Outlook/Exchange mail & calendar configured on your iPhone, iPad, or iPod Touch.

To apply iOS update 6.1.2, on your iOS device:

  • Make sure it is plugged in (or has a full charge)
  • Select:  Settings app > General >  Software Update

Related, in the Press: