George, you've got to be kidding me.
Of course I'm logged in. When you choose "Change my services" from the drop down menu from the "MY ACCOUNT" page, the Sprint website does not take you to any place where you can change the services on the phone that was selected.
Something is seriously wrong with Spint.com. All the users in this forum are complaining about the bugs in the system and it seems like everyone is being ignored.
Check out a fun infographic that teaches you how to increase storage, enhance security, improve battery life and clean your device.