there are many different phone stands made from lego, the one better than the other.
some are easy and simple but not sturdy
some are complex and very sturdy
some require special parts.
i made this tuturial for a easy simple, stand that doesn't require many parts
Step 1: Asemble
for this you need
9X 15 hole lego bricks
5-9X technic blocks
some flat plates.
2 1x1 flat block
lots of black technic conectors (2/3 blocks)
some joint conectors (gray ones)
its easy to asemble and very sturdy.
Step 2: Use It As a Stand
put the gray joint-connectors in the positon of how high you want your phone.
then its easy to use.