Login to your ATT online account and follow this path:
My Att
Profile
My profile
User information
(select the device at the middle right from pull down menu)
next to "Primary User" select 'edit'
you can now enter a name 😉
Login to your ATT online account and follow this path:
My Att
Profile
My profile
User information
(select the device at the middle right from pull down menu)
next to "Primary User" select 'edit'
you can now enter a name 😉