I found this to be true, mainly Gen-Z are putting their smartphones down and instead using flip phones for a multitude of different reasons, it can be to limit screen time, get rid of harmful distractions, take breaks from social and digital media, stop doomscrolling, and more. Many news sources are covering it, saying it's been a helpful and good adjustment for people because they're still able to communicate and talk with friends and family without the negative effects of things like social media getting in the way of their personal lives. Some of the sources I found that communicate this are:
https://www.nbcwashington.com/news/local/flip-phone-summer-gen-z-ditch-smartphones-to-disconnect-from-social-media/3958907/
This source focuses on a girl named Lauren, who did this, and talks about how it worked for her, and she explains how she's used social media to try and spread the message that this method is effective and more people should try it. She calls it "Flip phone summer" and is hoping to make it a trend. This source continues on to share research that has proven this method is good for the body and creates a healthier relationship with people's phones.
https://www.washingtontimes.com/news/2025/apr/18/generation-z-bringing-back-flip-phone-young-people-go-dopamine-diet/
This source shares a lot of statistics about how more and more people have started using flip phones as the years have gone on. This article focuses more on the logistics of people switching their phones over, and also has experts in the field who focus on the way the brain works and mental health, explaining why this method might be beneficial.