How to stop 2.5 years old from iPad or phones. She is quite addicted. If it's taken away, she will be kicking a fuss.

remove it. meaning when you all are with her also don't use it. if find it hard, then start with condition, have to finish certain things and only for certain period only. kids are about conditioning. as parents it hurts to see them kick a fuss always easier to take the easier way out. but that brings other problems.