@Joseph-TP Thanks for the prompt response. On an early morning hour (Eastern Time, Canada) a solution was found: Produce a "Back Up" copy of the router settings, just in case it was needed later...

Wi-Fi network (2.4Ghz) is working well for one android phone, but the other android phone (S24+) says (Connected without Internet) on its screen. A Windows 10 laptop is able to connect to internet,...