Average age for a child getting his or her first smartphone is 10.3 years old, down from 12 in 2012. There’s no real consensus among experts on the right age to buy a smartphone. Parents can set restrictions to limit what their children can access on their new device. There are ways to track what apps your kids have downloaded and track what they have done. Parents should talk to their kids about why they want a phone and how they plan to use it, said Scott Steinberg of Parenting High-Tech Kids.”]