iPhone 4 attracts people's eyeballs all over the world as soon as it is released on June 24th, 2010. Many tools which can perfect iPhone 4 are also developed. Among all, iPhone 4 to Computer Transfer undoubtedly is a powerful program which can backup iPhone files to local disk. The transfer software could copy music, videos, photos, playlists and more files from iPhone 4 to computer, so that you can backup files in time when iPhone crashing.
Firstly you have to install this iPhone 4 to Computer Transfer into your pc and launch it. This is its interface where you could easily complete transfer from iphone 4 to computer.

Step1. Connect iPhone 4 to computer via a USB cable, and then iPhone 4 to computer transfer will san the connected device and the information of the iPhone 4 will be listed on the interface including Type, Capacity, Version, Serial number and Format.
Step2. There are music, video, photo, playlists and more contents on iPhone which are listed on the left pane. Check any item and the files of this item will be listed on the right pane.
Step 3. Check the files you want to backup to computer and then click
button to select the output folder and then start transfer files from iPhone 4 to pc with iPhone 4 to Computer Transfer.

After the transfer is completed, you could find the copied files on the defaulted folder.
With this iPhone 4 to Computer Transfer, iPhone 4 users are not worried about iPhone crashing, file missing or file damaging. At these moments, you could restore files in time.