This. - remove social media apps, only use via browser, if at all - deactivate all but the most relevant notifications - remove all games and other addictive

This. - remove social media apps, only use via browser, if at all - deactivate all but the most relevant notifications - remove all games and other addictive crap - use daily time-limits for undirected "inspiration" sources like HN The remaining phone is a tool and still very useful (or useful again).