But honestly if you want some less clutter, go through old convo threads, photos, videos, apps, notes, opened safari pages..... see if you still need those.
I'm going through photos and videos from a year ago to now and see I still want them. There's photos I saved a year ago but now I'm like "why did I keep this?"
You just have a new mindset on what to keep and what's important
My cousin only has convo threads of important people he texts. That's genius and so simple. I've been deleting old convo threads of people I never talk to.
Go through notes and delete what you don't need. Maybe combine some that are similar. Maybe you wrote down social media passwords in like 5 different notes. Combine them and lock them so others can't see.
Look through your apps and see what you can get rid of
There's really a lot you can do to tidy up your phone