There are a lot of advantages. First of all, you can talk and text all your friend and family more easily. Secondly you can search on web sites series and movies which you like and watch them online. Thirdly you can read interesting texts on web and see a lot of wonderful pictures. And finally at your free time, you can play a lot of interesting games on your phone.
New cell phones also have some disadvantages. First of all some teenagers stop studying to text or play games, this is terrible for studies . And the last disadvantage start when young boys and girls spend money with games.
So we can see that the problems with mobile phones are caused by people and the advantages outweigh and people can know everyday a little bit more things in world.