I have a home network of only 1 x55 router. It's completely unusable. let's say my phone is connected to the wifi, I can go on 192.168.68.1 and it works. Also internet works. then I take another devic

Everytime there is a power outage the router reboots and it works. I have 3 decos all connected via ethernet. They restart when the power is on and they don't pickup the internet. They stay red. Even