How to transfer iPhone music to iPhone 4 on Mac?

This article will tell you how to easily transfer iPhone music to iPhone 4 on Mac with iMacsoft iPhone to Mac Transfer.

1.Download, install and run the software
Download iMacsoft iPhone to Mac Transfer, install and launch it on your Mac. Connect your iPhone to Mac, the iPhone to Mac transfer will automatically recognize it and the device info will be shown as the picture below.

2. Transfer iPhone music to iTunes
In this screen, you can click "music" option in the iPhone list, and all music files will be shown on the main interface. Select and check all the favourite music you wanna transfer. And then press "Add checked files to iTunes library" button to start iPhone music files into iTunes library. Several minutes later, all music files have been saved into iTunes library.

3. Sync music to iPhone 4
1) Run the iTunes and search for the transferred music files in iTunes "Music" library. You should assure that the iTunes version is the latest one or directly free download from Apple website.
2) Connect iPhone 4 to Mac, and iTunes can recognize the iPhone device immediately, click iPhone icon in the library list. In the right of interface, choose "music" table and check the "sync music" option, when everything is finished, press "Apply" button to sync the checked music to iPhone 4 library.

More detailed skills:
1) Add music/video files from computer to iPhone fast and easily, just click "Add files to iPod/iPhone..." or "Add folder to iPod/iPhone" button. Choose "Add files to iPhone" option in the "File" menu bar.
2) Copy iPhone music/video files to PC for backup, in case you lost some files or iphone is damaged. In order to recover this iPhone library, click "Export the checked files to local" button to transfer music/video from iPhone to Mac.