The following guide shows you how to convert video AVI, FLV, WMV, MKV, 3GP, RM, RMVB, AVS to iPhone 4S video/audio files and transfer video to iPhone 4S using Video to iPhone 4S Converter.
Step 1. Download the latest version of Video to iPhone Converter. Install and run it.
Step 2. Click the "Add Video" button to import video files. Alternatively, you can click "File -> Add Video Files..." to load the videos that you want to watch on your iPhone 4S. After the videos are imported, there will be a list of video file items showing in the program.
Step 3. From the "Profile" drop-down list, navigate to the "Apple iPhone" category and choose "iPhone MPEG-4 Video" as the output format.
Step 4. Click the "Start Encode" button to start to convert video files for your iPhone 4S. Note: The output files are easily available by clicking the "Folder" botton in the main interface after the encoding process.
Step 5. Launch your iTunes. Connect your iPhone 4S to your PC. In iTunes, click "File -> Add File to Library..." or "File -> Add Folder to Library..." to import video file(s) you just converted for your iPhone 4S. Transfer the converted videos to your iPhone 4S with the sync of iTunes library.