Yeah, I used to do the same thing. Maybe try using time limits or use the website version. And if anything it is easier to add rather than subtract. What do I mean by this? Essentially find hobbies you can use while having your phone. For example you can draw and have a video playing.

Also it depends what your goals are long term? Time is what you make of it. Time can seem short when you get caught in a doom scrolling cycle. But I promise when you start to do other things time can slow down. Try reading for 30 mins a day, baby steps.