I managed to get it working! Maybe this helps others: I am on Windows 10 Pro, version 20H2. I ran the Update Assistant tool as 'Administrator' (right mouse click 'Run as administrator') and managed...

I want to upgrade to firmware 20200921 Rel 42500 on my M9 V2.0. The 'Deco M9 Plus Upgrade assistant' asks for TP Link ID & password. What ID & password does it mean? I have an TP Link account for...