i was given an AX23 by my ISP as part of service --- it is currently set up with the default SSIDs and PIN 8-digit password found on the sticker underneath the router.

I want to rename the SSIDs & change the password but the 8-digit PIN doesn't work as the Local Password - screenshot below. "admin" doesn't work either (as suggested by TP Link's own documentation!) - Nothing I've seen shows the same kind of log-in screen. I set up a TP Link ID but I get the same request for a local password & the message "cannot bind" - Any other ideas? Is it factory default re-set tiime? Many thanks - this is a silly but frustrating basic prolem