To copy movies and videos from your computer to your iPhone 4, you can use the following steps: 1. Make sure your iPhone 4 is on the same local area network as your computer. 2. Open the camera app on your iPhone 4. 3 Find the movie or video you want to copy in the camera app. 4. Choose the movie or video and click the 'share' option. 5 In the pop-up "share" window, select the "copy to device" option. 6. Press the OK button and wait for a few seconds until the movie or video is successfully copied to the iPhone 4. Please note that if the file format you want to copy is not supported by the iPhone 4 phone, you may need to use other file transfer tools or video editing software to convert the file to a format supported by the iPhone 4 phone.