1. Open YouTube and Search
Opening YouTube app on your phone, you can search for the video you want and tap on it.
2. Tap on “Share” to Download
To download the video you want, you can tap on the “share” button under the video and choose “download with InsTube” button, then it will turn to InsTube app.
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3. Choose the Format
Tap on the red download button on the bottom right of the screen, and there are kinds of formats for you to choose, including MP3, MP4, 3GP and M4A.
4. Download Finished
The button on the upper right corner will show you the download process and you can tap on it. Then you can see the downloaded video on your files list. Tap on the green play button to watch it.