There's no perfect age, but there is a sensible order: a basic phone first, a smartphone later, social media last. Signs your child is ready, and rules that make the first phone go well.

Why switching off ends in tears, a routine that makes limits hold, and what to offer in place of the screen.

What paediatricians recommend at each age, the signs it's too much, and how to set limits that hold without a fight every evening.