Samsung SM-G935P User Guide - Page 140

Your User Name When you buy your phone and sign up for service, you are automatically assigned a user name, which is typically based on your name and a number, followed by "@sprintpcs.com." (For example, the third John Smith to sign up for Sprint data services might have [email protected] as his user name.) When you use data services, your user name is submitted to identify you to the network. Your user name is automatically programmed into your phone. You do not have to enter it. Find Your User Name You can find your user name through your phone's device menu. 1. From home, tap Apps 2. Tap Status. > Settings > About device .  You will see your user name under the "Username" heading. Internet and Social Networking 129