Android Google Pixel phone kills entire WiFi router or Internet when connected.
If you have an ASUS router and whenever you connect your Android or Google Pixel phone and your entire WiFi router goes down then go to your router and enable QoS in the menu. If you have ASUS log into your router and go to Traffic Manager > QoS then enable QoS.
Enable QoS = ON
QoS Type = Traditional QoS
Upload Bandwidth = 1000
Download Bandwidth = 1000