I have no idea why this worked, but I managed to update to 1.2.1 Build 20220121 rel.75144(4555) (which isn't the latest firmware). I backed up my settings. I unplugged my router and moved it,...

I've not been able to update my AX73's firmware. Using the option in the web GUI, it does the following: Downloads firmware (progress 0-100%) Upgrades firmware (progress 0-100%) Reboots After this,...