Ps4 strict nat

[#1]

Just come over from bt told was better for online gaming .on Bt. the gaming was rubbish but had nat type open .I'm using  the standard router( technicolor ) the ps4 is nat type2 40+ meg download 12+ upload low ping was told to open the ports so I have still strict.trying to play cod is hopeless it's like I'm half a sec behind plus net tech support say not able to help anybody out there got any ideas  or am I stuck with this for 18 months 

[#2]

you can use any cable router m8 even ur bt hh  technicolor routers not good for gaming even with open nat

[#3]

use dmz your nat will be open but only use dmz for consoles