Question: how to download youtube videos to camera roll on iphone?
Answer: Step 1: Install the app.
Step 2: Open YouTube.
Step 3: Save the video.
Step 4: Save to camera roll.
Step 1: To start with, install Dr. ... 
Step 2: Connect your iPhone to your pc with a cable. ... 
Step 3: The Phone Manager will automatically detect your phone and then go to the Videos tab.