New router; new SSIDs. I hard-reset the RE220 to reconfigure. Using Tether, all looks good until the final Apply. That counts up to 46%, then I get a sceen saying No Host Network Connection. Text says

My extender was working fine until it got unplugged. Upon replugging it in, the extender did not reconnect to 5 Ghz host. I have done multiple factory resets. Setting up through the Tether app, choosi