@Samoreen Hi, welcome to the community. Thank you very much for sharing with us. It would be very helpful if other users are experiencing the similar issue. Best regards.

@summoned Hi, yes, it has been mentioned in the release notes: https://www.tp-link.com/en/support/download/archer-ax20/#Firmware Best regards.

@whgibbo Have you tried to enable the Guest network with 2.4Ghz only, then test whether the Givenergy Wi-Fi dongle could connect to the Guest SSID? Please try to set the Guest SSID with only numbers...

@ChristerS Hi, welcome to the community. Is the current network topology like: It is still suggested to set Deco into "Access Point" mode. After the upgrade I cannot access any of the wired devices...

@Goksun Hi, Thank you very much for the feedback. May I know you SIM service provider? Please make sure the OQS on the Deco X50-5G disabled, or set to 350Mbps upload/download. It is also suggested to...

@davidtk Hi, Thank you very much for the feedback. Usually, there is not supposed to be red/blue during the firmware upgrade process. You can update the firmware only through the Deco APP, and if...