@Paqueiros Please tell us the current network diagram. How do you connect these devices together? Please disable fast roaming and set QoS as standarad, clear all the high priority rules. When the...

@Sofa_king_lazy Below is the download link of the beta firmware for Deco M9 plus. You can install and give it a shot. http://support.tp-link.com/f/3e6d070efd/?dl=1 Best regards.

@rojy1 Hello, sorry to respond late. Cause the pc and laptop work well with the Deco network except the Android device, first you can try to upgrade the OS version; Then try to forget the network and...

@Viki The firmware has been released already. https://www.tp-link.com/support/download/deco-m4/v1/#Firmware You can check the firmware upgrade on the Deco app. Best regards.

@SimonM Thanks for your reply Simon, glad to help you. If need more help in the future, do not hesitate to contact us. Good day.

@billbond4 It should be available on the latest firmware already. Upgrade the firmware of Deco and then try to verify whether you can access the web UI. Good day.