both phones are amazing if we see in terms of specifications and features . The design of both the devices is solid and looks sturdy as well. So if you are really interested with nokia then go with nokia 6.1 .
either take it to repairing centre as it hardly takes few minutes to clear the things up or you can use vacuum device for the same which will suck the object .
as you connected the router 2 to router 1 so the network connection is only working through the router 2 and not router 1. So either configure the both the router in order to get the connection as you required.