SrDarkWarrior wrote @LG86 They already released the new firmware 1.5.0 on the support page https://www.tp-link.com/en/support/download/deco-m9-plus/#Firmware @SrDarkWarrior Note that this upgrade is...

@MvD-271151 >Should the wifi be switched off on the connectbox .. Yes, it should. >I have now connected all equipment to the wifi of the Connectbox using 2 different names and 2 same passwords, a...

@Duece If nothing else works, remove both Satellite Decos from your mesh, that can be done in Deco app, leaving just Main Deco. Then, upgrade tool will only have single node to deal with. Hopefully,...

@mateid I guess we won't be able to figure why your network went haywire, yet mine, similarly configured, dealt just fine with two 15-20 minutes router downtimes and one 40 minutes power outage. Too...

@mateid To continue. I have noticed the flaw in my original test: I kept Main Deco up while ISP Router was down. That is not how they will stay during power outages: both will be down. By the way, I...

mateid wrote @Alexandre. Just then, I've opened my laptop to check if the connection was back online and it received (by pure bad luck, I guess) from X20's DHCP the exact IP address used by the main...