You maybe lost iPhone Contacts after synced your iPhone, and unfortunately iTunes can't help you recover iPhone Contacts,but iTunes will automatically backup your iPhone/iPod and iPad files,but this files is an SQLite database that you can't access,you must use a iTunes data recovery software or all-in-one iPhone&iTunes Data Recovery software to extract this SQLite database to preview and get the content when you accidentally deleted or lost your iPhone iPad iPod data.
iPhone Contact Recovery is a professional iPhone Contact Recovery Software for users which Recover Lost iPhone Contacts from iTunes Backup Files, or recover the lost contacts from iPhone directly. It turns the backup file into recoverable contacts, SMS, calendar, call history, notes, photos and videos separately, so that you can restore any of them selectively. In addition, the iPhone Contact Recovery also allow you to directly scan and recover contacts from iPhone 5/4S/4 and 3GS.
There are two ways to recover iphone lost contacts
Part 1: Directly recover deleted contacts from iPhone 4/3GS
Part 2: Scan and extract iTunes backup to recover iPhone lost contacts
Recover Lost iPhone Photos, Contacts, Messages and More from iTunes Backup Files for iPhone 5/4S/4/3GS
Part 1: Scan and extract iTunes backup to recover iPhone contacts (available for all iPhone models)
--Recover Lost iPhone lost or deleted Contacts from iTunes Backup Files for iPhone 5/4S/4/3GS
Step 1: Scan the backup file
If you have synced different iDevices with iTunes before, there will be more than one backup files. Choose the one for your iPhone and move further
Step 2: Recover iPhone contacts
The scan only takes you a few seconds. All the contents from the backup file will be displayed in details. You can read the content right now, no matter from the Contacts, but also from the Messages, Call History, Notes, and you also can preview the photos & videos contained on your iPhone.
To recover the contacts, check the box in front of the Contacts and click the "Recover" button, then you can save the content on your computer. You also can recover the other data, if you have a need.
How iTunes backs up your iPhone contacts?
iTunes backup your iPhone when you sync with it. When you lose your contacts from iPhone. The bad point is that the backup file is not an ordinary file types, but a file SQlitedb, this preview is not allowed, and even access. Sometimes it is encrypted, only for personal safe,you need to use a iTunes data recovery software to preview or recover them from iTunes!
Part 2: Directly recover iPhone contacts from iPhone 5/4S/4/3GS without backup
Step 1: Connect your iPhone to the computer
If you didn't lose your iPhone, you can also use this way to retrieve your contacts. Connect your iPhone to the computer and run the Wondershare Dr.Fone to your computer, then an interface as follow will appear.
Step 2: Preview and recover iPhone contacts
Choose "Contacts" to preview, mark it and click "Recover", you can save all the contents on your computer with one click.
Tips: you can also preivew and recover iPhone Messages,Photos,Videos, Camera Roll, Photo Stream, Photo Library, Message Attachments, Call History, Calendar, Notes, Voice Memos, Reminders and Safari Bookmarks
Note: Data found here includes deleted data and those still on your iPhone. If you only want back your deleted ones, you can refine the scan result by using the slide button at bottom to only display deleted items.
Wondershare Dr.Fone is a professional iPhone data recovery software,it has 2 version: Wondershare Dr.Fone (Mac) (for Mac users), or Wondershare Dr.Fone (for Windows users).You can free download and try!
If you want to recover iPhone lost SMS messages,you can read this use guide about how to recover iPhone Text Messages from iPhone 5/4S/4/3GS.
If you use Mac and iPhone,and you need to recover iPhone SMS messages from Mac,you can read this use guides about how to recover SMS from iphone 5/4S/4/3GS in Mac?