You need to first learn how to use your phone properly. Once that is complete, you should be able to turn the phone on without any problem. If you need help locating the power button, please refer to the manual that came with your phone.
You must wait for it to fully power off before trying to restart it. If you don't then you have to wait again before pressing the power button. After the screen turns off it has to still run through several security checks that sends your GPS coordinates to both Google and US Cellular and also sends them your browser history. An easy fix for this is to do a battery pull while the phone says that it is shutting down.