@TP-Link Ok, how about my problem? I'm using 1.5.1 firmware.

Still no help from TP Link support, what is kinda pathetic. I think I should just refund or sell this router.

@FredRabbit I'm not sure if we have same problem. When I'm using AP mode speed test via Deco app is 500~mb, when I switch to router mode im having 1000~mb in deco app. Seems like your problem is cap...

@FredRabbit Yeah, exactly. You have same problem in Access Point and Router mode or just in AP?

Anyone gonna help me?

@TP-Link 1.Yes, Huawei WIFI is completly turned off. 2.You mean speed on iPhone 7? Well it's hard to say, because having DHCP on main deco causing some weird router behaviours. I would say its more...