@woozle I turned Secure Share OFF in the router config. Trying to keep all this as simple as possible as I am the only one using it. Then I "Enable[d] insecure guest logons" using the option for Edit...

@woozle Should "Secure Sharing" be ON or OFF in the router ? (I would prefer to leave it OFF to make access locally as simple as possible.) It was OFF, but now I turned it ON. When I try to access...

@Joseph-TP Thanks for your help. I cannot see any firmware download available at the link you provided. The device shows current firmware is "up to date".

@woozle Thanks for engaging and trying to help here. Very much appreciated: Responding to your suggestions, here are some screenshots showing how things are set up and the current result from trying...

I have the same issue as discussed in this closed thread: https://community.tp-link.com/en/home/forum/topic/659462? This is a brand-new Archer BE230, just installed and replacing a Linksys WRT1900ACS...