@bigbadwolffe Usually this is cause by the bad cabling. CAT 5e would suffice too. You can check that by using a shorter factory made quality cable between the orange router and the LS1008G just for...

@Jaffaro Using this guide you should be able to use your ADSL router as access point and get this topology working.

@Phxsmos You could try using the WDS feature to do the same - details. Keep in mind that WDS may or may not work with your AX12. WDS may be incompatible between different products (even occasionally...

@csl1965 What I would do is to set a static wireless channel on the Asus router 5GHz band and test the backhaul stability again.

@Czmazel What I would do is to turn off AX55 auto update so won't be surprised the same way in the future. You can go back to a previous FW release for AX55 - " Note: This firmware cannot be degraded...

@celos What do you mean by "still broadcasting its own SSID" and "my phone doesn't show up in the Satellite's connected devices". You satellite router should broadcast the same SSIDs like your main...