I don’t see any of my 3 getting rid of their smart phone. And personally, I don’t think it would be a good idea to do that! Smart phones for many are truly a lifeline to other daily routines. Keeping/adding to calendar appointments. Getting those calendar appt reminders. Having access to things like medical cards and other important documents. Accessing recipes. Ordering needed items and organizing life things when you are waiting for appts or on public transportation. Listening to music, podcasts, etc. Tracking self/partners/family when running or on long walks as a safety precaution.
They all have mentioned trying to curb time on their devices though. Putting the phone in a box out of sight. Using notification silencers. Leaving the phone on a charger. Leaving it inside when you’re having outside time.
No one better try and take my smart phone away! 
Like any other vice, it’s up to me to control it.