Step 1: Import DVD File
Download the lastest DVD to iPhone Converter. Insert the DVD you'd like to transfer and load DVD by choosing "Open DVD".

Step 2: Choose output format
Select "iPhone" table. You may keep the default setting or click the drop-down button besides "Profile" to select an output format according to your own needs. Then click "Convert" button to start conversion.

Step 3: Transfer DVD to iPhone
Open iTunes, connect iPhone to your computer. Select Videos in iTunes and then drag the mp4 files onto iTunes from Windows Explorer. When you sync (by clicking the "Apply" button), iTunes will transfer DVD to iPhone automatically.

Read Guide: How to Watch DVD to iPhone?