Is there a way to limit the iPhone 14 pro screen to a refresh rate below 60hz/60fps? And I mean e-reader-like refresh rates

Why I'm trying to do this: to save battery, but mainly I'm trying to make my iPhone as big of a pain to use in a last attempt with this device to help limit my usage with smartphones before i sell it and get an e-ink phone (looking at a mudita kompakt).

What I've tried:

-limited my refresh rate to 60 in accessibility

-set a script that auto puts my phone on low battery mode, always

-put my phone in black and white mode

-set phone to dark mode

-complete black wall paper

-minimalist launcher

-removed all apps i don't need and/or are distractions, including all social media (i access Reddit through brave browser)

If i could reduce the refresh rate more, i feel would be enough to really get me to put this thing down.

Sorry if this isn't the right place for this. Just figured there's others like me out there trying to put these things down, at least a little more