Has anyone tried to stop using the phone?

I was playing gta 5 online and i went to check the stats menu. I saw that my playing time was 3 days. I was SHOCKED. I could have read books, gone to the gym, learnt new stuff in 3 days. So am trying to get control over my life and do things that i want to do and not what a used to do. To me the best way is to get rid of my phone. I already deleted instagram and facebook. Never had tiktok. I still use youtube though for motivational speakers ... and rarely reddit. I once saw a video of mike tyson saying that he doesnt own a phone becomes it makes his lower ego get out which makes him use it in a bad way. I liked that and im interested to try the experience. So my question is : since our phone is grave in our daily routine, how do you replace it in order to make the transition easier?