On Android
Download and Install TubeMedia on your Android smartphone.
Change your security settings.
Open TubeMedia and search for a video you wish to download.
Then click on green Download button.
Choose the video quality and tap on download button.
Click on Downloads list to find the video.
On iPhone, iPad
Head over to the Video solo website
Paste a YouTube video link in the text box and click download option
Choose output format and quality option from the list
To check downloaded videos tap on the Downloads section
Head to the Documents app to save your downloaded videos