Hi, The Deco M9 plus is a smart home mesh wifi system, generally speaking, it is more powerful than Deco M5. While back to your case, the speed can be affected a lot by the actual network...

Hi, The Deco M5 does not have powerline backhaul function. Only Deco P7 supports. https://www.tp-link.com/en/home-networking/deco/deco-p7/ Meanwhile, we cannot use a powerline adapter to make it work...

Hi @LeMar , Sorry to hear that you have some difficulties with your Deco units, we can do some troubleshooting and try to fix it. May I know if all the devices cannot see the wifi signal? And how...

Hi @Urh ， our engineer will contact you regarding to your case, if you are willing to do further troubleshooting, please notice your inbox. Good day.

My pleasure. Do not hesitate to contact us if need more help in the future. Nice day. lucozadenrg wrote that is perfect - thanks!

bradmoss wrote I didn't know there are different firmwares for different regions. I have a C9 bought in the US but I live in LATAM, the firmware updated to the latest US version but I see the latest...