hi, try setup my new deco P9, yesterday i installed it as router, had few issues. alot of stuff on my network has stuff on ip 192.168.1.100+, the deco p9 sets it up on 192.168.68.1+. is that easy change. also it connect to my 4g router box. do i need turn of dhcp on the router. as everything was working then all crashed. had to reset my 4g box. also my phone loses wifi all time. i tunred off seemless and also turned of 5ghz. also the amazon fire tv didnt work.. i got it going by turning off 5ghz. i need help...