When you restore the lost contacts or messages from iTunes backup directly, it will erase all the content on your iPhone 4S. However, with the help of Dr.Fone (iPhone 4S), things are totally different.
This program can recover lost Contacts and SMS from iPhone 4S by extracting iTunes backup file. With it, you can preview iTunes backup file in details and recover the exact items you want. No need to connect your iPhone 4S, so you don't need to worry that the data on your iPhone 4S will be erased. Watch this video tutorial to see how it works in Windows 8.
Watch Video Demo:
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Data Recovery for iOS device
* Directly Recover from iPhone 4(GSM & CDMA)/3GS, iPad 1 & iPod touch 4
* Extract iTunes Backup for all iOS Devices, including iPhone 5/4S, iPad Mini
* Recover up to 12 file types, including SMS, contacts, photos, videos, notes, and more
* Preview lost files before recovery, clear, organized and in original quality
Data Recovery for iTunes
* Recover lost videos and photos from camera roll, contacts, SMS, calendars, etc.
* Support perfectly on iPhone 5/4S/4/3GS, iPad 2/1, The new iPad and iPod Touch 4/5
* Scan iTunes backup files without connecting iDevice or opening iTunes
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