iphone 4 backup data located

1) 在 Windows XP 上：\Documents and Settings\（使用者名稱）\Application Data\Apple Computer\MobileSync\Backup\

2) 在 Windows Vista 上：\Users\（使用者名稱）\AppData\Roaming\Apple Computer\MobileSync\Backup\

3) in windows 7, \users\ericmok\appdata\roaming\apple computer\mobilesync\backup\with 40G files