@Amberglow Are there any logs in the router which may shed the light on the issue? Other than failing DNS queries, I can't think of any other reason when Main Deco LED will go red while actually...

@RagusJohn You can extend existing Deco M5 mesh by adding another Deco unit, but you will not gain overall mesh performance. You will have one more Deco unit, which should mean better WiFi coverage....

SC55 wrote @Alexandre. I looked to be sure on youtube and there is an unboxer telling that is possible like how I explained to him. My brain is crashing @SC55 Did he make same mistake I did? You...

@SC55 Apologies, I just realized I made a mistake. As long as your Main Deco is E4, you can't get Internet speeds faster than 100Mbps in your home. It is because Main Deco E4 is also limited by its...

@SC55 With this setup, in ideal conditions you should be able to get up to 300Mbps on PlayStation. The only unknown is distance: if M4 will be too far from Main Deco, you'll get worse that ideal...

@Iggy888 According to screenshots, your Office Deco does not have hardware issues. It uses both 2.4GHz and 5Ghz bands to connect and signal is Medium. Which is good. I can tell from screenshots that...