@Ch4rv3l That happens all the time - many local support portals are not updated on time and that's what you have experienced. Usually the Global support site has the latest FW releases published for...

@Ch4rv3l For Poland you should obtain the latest (EU) vesrion FW release from the global english support page - here (you're already on this one). If you try to update with the (US) region version...

@Cheftouch You can try the router WebGUI to configure Parenatl Controls more conveniently - use this guide and check if it works for you.

@TrevorD Judging by your description there are two options - bad and worse. Bad - the router power adapter had died - in time the electrolytic capacitors are drying and loose their characteristics....

@Nishi7283 The latest FW release for Archer C7 v5 is Archer C7(EU)_V5_1.2.1 Build 20220715 - here. If you are on this FW release there's no need for update. The router power adapter could be a reason...

@Tyber When in AP mode, C80 should have its DHCP server disabled so the only active DHCP server would be on the BE230 - detals.. Thus, every device connected to BE230 or C80 should receive its IP...