Apple has a recycling program you might want to consider:
I am not trying to be overly moralistic though .. just trying to understand if there is any value people see in getting a new phone each year outside of social/new and shiny.
It made a lot of sense 8 or 10 years ago where each year there was a big leap. But nowadays, even for e.g. camera, the improvements are very incremental at best (when they are not mostly algorithmic so backportable) .