Wifi : use this feature to configure your wifi connection. It takes some seconds to establish all services like sftp, ssh, samba and so on. Everything is done for you.
Disable Wifi : So you are ready transfer your roms and your arcade cab is in the cellar and you do not have wifi at all. Turn it off to save 15sec boot time then for non active wifi search.
Show IP Address : simple tool to show ip address
If your wifi does not reconnect, Use Disable Wifi and reconnect again