Model : Hardware Version : Firmware Version : ISP : Where can I change to default password used to access the TP-Link Router set up web pages, please? There must be an option to change it from admin...

Model : Hardware Version : Firmware Version : ISP : I have three TD-W9980 routers in a network. Is it possible to assign a name to each router? Can't find an option in any of the settings. Thank you.