The following step-by-step tutorial shows you how to convert ASF to iPhone 4S video on Mac OS X (including Mac OS X 10.6 Snow Leopard and OS X 10.7 Lion) using iPhone Video Converter for Mac so that you can transfer ASF to iPhone 4S and watch ASF video on iPhone 4S.
Add ASF Files
Download the latest version of iPhone Video Converter for Mac, install and run it.
Download iPhone 4S Video Converter for Mac
Click the "Add Files" button to import the ASF files stored on your Macintosh HD. Then you can get the video information in the manager panel.
Select Output Format
After the ASF files are imported, go to the "Output" panel. Click the "Profile" drop-down list to choose the format that best fits your needs. Here, you may choose "iPhone MPEG-4 Video" as the output video format.
Note: You may not be satisfied with the profile provided to you. In this case, you can click the "Customize..." button next to "Profile" box to customize a profile. In the following "Profile Settings" Window, you can adjust Video Size, Frame Rate, Encoder, Bitrate; Audio Sample Rate, Channels, Encoder, Bitrate, etc to meet your specific needs.
Start to Convert ASF to iPhone 4S
When all settings are done, click the "Convert Now" button to start convert ASF to iPhone 4S.
Transfer Output to iPhone 4S
After you get the output files, launch your iTunes and transfer them to your library. Then you will be able to transfer the converted files to your iPhone 4S with the sync of iTunes.
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