Samsung SM-T225 User Manual page 84

Settings
Switching users
Tap the user account icon at the top of the locked screen and select an account to switch to.
Locked screen
Managing users
When using the administrator account, you can delete accounts or change account settings.
On the Settings screen, tap Accounts and backup → Users.
To delete a user account, tap the user account you want to delete and tap Delete user.
To change account settings, tap user account and change the settings.
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