Becoming a phone addict at a young age is one of the growing concerns for parents, and that is expected. This type of addiction usually happens due to a lack of social life and physical activities. So, if you want to minimize his screentime, you need to help him socialize with others, invest time in physical activities, or learn things through books, art and craft, and more. You can use an encyclopaedia, take him out to a park, help him identify different things, etc.