Thank you for your reply! @simageye The default IP is not valid anymore. So I sniffed the Network with a bash script. In my case the network with 192.168.178.XXX. I found few IPs which are up and I...

The description how to set the Router to AP-Client mode is good and after rebooting the router, it is working fine. But I cannot log in to the router anymore. Even if I am using the IP Adress what...