Does anyone know how to pull up the RTN screen on the Nexus 6 phone

[jkurzynop]

I am trying to get to the RTN screen on my Nexus 6. The phone was broken from the time I got it out of the box and I want to be sure it isn't refurbished. I've already tried the #876# and *#*#876# and ##786# which the CSR at Motorola gave me. Can anyone help me??? PLEASE??