@AlzGamer Hi, you could configure the Archer AX1800 router as an access point to avoid double NATs issue, refer to Case One in this guide: How to configure the TP-Link wireless router as Access Point

@Arye_N Hi, could you please provide more details about the issue? which function are you trying to use?

@rushman Hi, For wireless client devices unstable: 1) Make sure the Router is properly placed, it should be put in open area instead of inside a cabinet or shelf 2) For 2.4GHz wireless client...

@RalfyFM Hi, please disable QoS and test the router speed again. By the way, if you bypass the router, and connect the same computer to your ONT or modem directly, what is the speed now?

@dch0592 Hi, Disable QoS, please access http://tplinkwifi.net and go to Advanced >> QoS to disable it. Disable Parental Control, please go to Advanced >> Parental Control to disable it. Disable SIP...

@Suliohad Hi, what devices you've used to test the 2.4G WiFi speed? Please let us know the brand and model no. Besides, please check and make sure QoS is disabled on the router. You could also check...