After syncing both my iPad 2 and iPhone 5 to iTunes the “last backup” dates on 
the iOS device did not change.   iOS 8.3 is installed on both devices.    
iTunes backup details appear to have updated OK.  Using iTunes 12.1.2.27 and 
OSX 10.10.3.   This is the first sync with Yosemite.

I am also puzzled by the "correct” procedure for USB syncing.  Following a 
couple of years of frustration with the WiFi method, I intended to complete the 
sync/backup process then change both devices from WiFi to USB syncing.  Did a 
WiFi sync for the iPad first then noted the date did not change on the device.  
 I changed the iTunes setup for the iPhone to create a USB backup, hoping it 
would reflect the correct backup date on the device.  However this too still 
retained the date for the previous backup.

The WiFi sync option for devices only has one (sync) option which syncs, backs 
up and transfers apps.  I note that the iTunes device display (main window) has 
separate buttons for syncing and backing up.  Are these two separate processes 
to be run in tandem?   Also noted that the iTunes menu bar (file/devices) has 
another option to transfer purchases.  Is this a third process for the 
iTunes-USB method?

Regards, 
Alan

Alan Smith
  Late 2012 iMac 27" Intel Quad Core i5  Fusion 3.2GHz 8G RAM - OSX 10.10.3 
Yosemite
  Late 2009 iMac 21.5" Intel Core 2 Duo 3.06GHz 12G RAM - OSX 10.10.3 Yosemite
  iPhone5;  iPad2;  ATV2










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