Foscam C1 Lite User Manual page 29

Delete ：Select the account which you want to delete, then click Delete button to take effect.
NOTE: The default admin account cannot be deleted, but you can add other administrator users.
How to change the username ?
Firstly, select the account which you want to change the username, then select "Change username",
enter the new password, lastly click modify to take effect.
27