First of all I don't know 10 adv... then also I hope my answer will help u in some way. 
               Advantages of cell phones   
1) Nothing more than a cellphone comes to great help in emergency.
2) The more u talk, the more u know how to talk and the better your communication skills become.
3) Parents can be a little worried about their kids by being in constant touch with them.
4) If you're a net-savvy, you can have internet handy all the time and anywhere the signal of your cell phone provider can reach.
5) Trendy and stylish cellphones can be used as a bait to receive attention.
6) Now a days cell phones are not just phone calls, they're about messaging, songs, games, video, calendar, reminder, alarm etc.. So one equipment lots of uses.
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