How can link html pages on sololearn and how can i access pictures and videos from my phone so that i can add them to my page?

Answer 1

Directly speaking, it's not possible.
Indirectly speaking, some cool coders in sololearn have made possible to link pages in Sololearn! 😁
Learn some advanced coding and take a look at this code.
https://code.sololearn.com/Wc0uIoguF2I7/?ref=app

Answer 2

Here, on sololearn you can't