I've tried a number of different things but nothing stuck. I've had this phone for a few months now and it has really done the trick.
It's a pretty messed up negative feedback loop. If you find yourself in this state, audiobooks are a good alternative.
A trillion dollar industry exists to profit off of gluing eyeballs to screens. Making the device other than what this industry designed it to be is not self-sabotage, it's self-interested!
Read "Supernormal Stimuli" by Barrett for some other examples of this phenomenon.
If I want to splurge with a chocolate or ice cream bar, I take a walk to my corner store and buy just one, and eat it right away. It's extremely cost inefficient compared to if I bought a gallon of ice cream from the store, but that's not what I'm optimizing for here.
Essentially I use my normal phone, but lock specific apps. To unlock those apps I must scan the nfc card I keep in my car. That means getting up and going outside.
That tiny bit of added friction has cut my screentime in half and made me more productive, and less stressed.
There are other devices like it now, for example Bloom.
I dont save my card details to prefill, I don't use nfc payments and I keep a low balance in the transaction account my debit card, in order to be more intentional about my spending.
wait a minute, from behavioral science perspectives, does it work as intended, or does it work against the aim?