Hey TP-LINK !! @David-TP @Marvin_S Since the day one when i installed firmware 1.7.0 on my Deco M4 my internet start working slow sometimes and websites could'nt load properly or load very slow and...

@MNLisa You have to do factory reset of your whole Deco system and do the setup again and make sure 2.4 GHz is ON

@MNLisa You have to enable 2.4 GHz WiFi to connect your IoT devices such as Smart Bulb, Smart Switches, LG Dryer etc on that band.

@KaineS What's your Hardware Version?

@ManoLee You can connect your phone on each Deco and run a speed test on Ookla and then check the results.

@Ipman3 You have (4) Deco M4 models (3) are on Hardware Version 2 and the other Deco is Hardware Version 4 and you have to remove Deco M4 which is on 1.1.2 and update the other Deco models which are...