Backup, Restore and Reset to default setting of AN 1020-25, AN1020-25u, KW5815,

Backup Settings

After login Click on "Managment" then "Settings" then click on "Backup". Then click on "Backup Settings"

 Restore From Backup settings

After login Click on "Managment" then "Settings" then click on "Update". Then click on "Choose File" button and select the Backup file which you already created. Then click on "Update Settings" button. Your router will rebooted after backup completed.

Reset to Factory Default Settings

After login Click on "Managment" then "Settings" then click on "Restore Default". Then click on "Restore Default Settings" button.Router will rebooted after Restore default settings completed.