You must be the device owner to add users.
Go to Settings > Users. Or from quick settings, touch
.
From your owner profile, you control whether users can call and send texts with your phone:
On dual SIM phones, the owner controls SIM usage for mobile data, outgoing calls and connection priority. Be sure to review dual SIM settings before giving your phone to a new user.
Users borrowing your phone can modify the Home screen and other settings. They can also customise the picture and name that appears in their profile.
Users can modify their profile by doing the following:
You can remove yourself as a user. You must be the device owner to remove other users.
Do one of the following: