@Renato_DM I downloaded the firmware from this tp-links support page: https://www.tp-link.com/no/support/download/deco-m4/v1/#Firmware .Then i logged in to my router via my local ip address in a...

I downgraded to 1.5.4 for some days ago, and it seems to have solved the problem for me. But I don't know if I miss any security updates, or something important by doing this.

@ACV I have the same problem. After upgrading to 1.5.5 Build 20220823 Rel. 41353 the DHCP seems to crash. It usually happens when several users use a lots of internet at the same time. The last two...