Besides that, I have been disabling Notifications for ages, and that is the one decision that I believe was one of the best decisions of my phone life. I wrote an article in 2014[1] that needs a serious update, but it still makes sense.
Make it a habit to turn off Notifications as soon as you install a new app unless they are critical, such as Medical or Kid/school-related.
My Home page has a minimal wallpaper that I did a few years back, and it stayed. I usually leave one row at the bottom for beta-testing and region-specific Apps I use while traveling.
Of course, none of the Social Media Apps are on my phone. I checked my screen time to include this comment, and I've 37 minutes Daily Average. So, on most usage, I should still likely be averaging less than an hour daily.
1. https://brajeshwar.com/2014/missing-step-productivity-activi...