Firstly the Nokia 808 versus the XZ1. Maximise the window and then dive into the YouTube player settings - set the 'subtitles' to be 'Auto translate' and then 'English' (or whatever):
And then the Nokia 808 versus the Galaxy Note 8:
Comments? The subtitle system makes the videos something of a hard watch, not least because the videos flickered for me as a result, but hey... Some Nokia 808 content - in 2017!