@BaCsaba I am familar with the symptoms you describe and they can be triggered under specific circumstances, but for that Main Deco must be connected to ISP modem/router, not through the switch....

@BaCsaba Your Deco X50s, are they connected to each other the following way:

@Paper9oll X55 is same as X50, different branding for different markets. Consider choosing between X50 and X68. Deco X50 (hardware V1) firmware has more features that could be useful, but Deco X68 is...

@zyclonenuz If you have just one working Ethernet port on ISP modem/router, that leaves you no choice but connect PC to second Ethernet port of Deco S4. By the way, you can also connect PC (or any...

@zyclonenuz You can use second Ethernet port of Deco S4 to connect PC to it and PC will have Internet access. Also, depending on your ISP provided modem/router, you may be able to keep PC connected...

@PapaStevie You can mix WiFi5 and WiFi6 Deco units in the same Deco mesh. For mobile device, such as smartphone, that only supports WiFi5 or older WiFi 2.4GHz, there won't be any difference. For...