You can share a video using the YouTube application. First, you must create a YouTube account and sign into it on your phone.
You can also share the videos you record with the Camera application by uploading them to YouTube.
From the Home screen, tap Apps > YouTube .
Tap and tap your account.
Tap the Upload icon and select the video.
Enter a title, description, and tags for your video.
If you want to share the video with everyone, tap the Privacy field and then tap Public. If not, tap Private or Unlisted.
Tap the Upload icon to upload the video.