looks like i am also experiencing same i am on latest firmware 1.2.0 i was using it as PPPOE mode i have also disabled both 2.4ghz and 5ghz band of wifi also i disabled wiremesh feature the router han

Hello, I have issue with my new Archer C7 router that from time to time usually 1x per day router gets hanged I can't access web-admin interface, I lose internet for wired and wireless devices and WAN