Will us cellular let me transfer data to Iphone 4s?

My friend got the iphone 5 so she gave me her old iphone 4s. I have us Cellular and I know they don't carry iphones but will they let me switch phones?

You can try iPhone Manager from 4easysoft.com. It supports all iPhone version devices, and you can use it to transfer files between them or bewteen them and pc or tiunes.