@Naminanu OK, I left these three M5s connected to the Internet at my place and after several hours, the blue light were suddenly flashing! Horray! I suspect maybe you or someone found them and...

@Naminanu Thank for your reply! I cannot use the other two M5s as the Main Deco because I can never get a blue flashing light on either them. Only solid red, or blinking green (never blue). This is...

I have three Deco M5s. They have been working fine for years. The ISP (Telmex in Mexico) installed a new router (Ping Communications model 7962v1). All my M5s suddenly have solid red lights. I...

@Naminanu Thanks! Mr. Sometimes A RealIdiot PS: now, of course, I wonder what the intended use of Locations is?

I successfully reset my two Deco M5 devices. I am moving them to a new location - they have been working fine for a few years now. They are flashing Blue and both appear as different WiFi networks...

@Naminanu Ok, I finally returned to this network and am still scratching my head. But at least I learned more. My first head scratcher: when I arrived, one of the X20s was using wired Ethernet. Yeah!...