How to change resolution of bpi M2 zero

I want to change resolution of bpi from 720p to 480p. I have tried all ways and i need help. Any suggestion?

Wich image are you using?

Raspbian img downloaded from the oficial Page (bpi)

I have the same problem. I would like to change resolution to 480p in my bpi p2 zero with raspbian but I can’t find any solution.

Any way?

Regards