@hisanabe Hi, may I confirm why you disabled the DHCP server on the CATV modem router? What if you leave it on, and disable the DHCP server on the AX20, will the AX20 work properly in AP mode?

@agfa Hi, the AX11000 Onemesh does support 802.11k and 802.11r. As far as I know, the Samsung Galaxy S8 may not support it, you may check with Samsung support to confirm. agfa wrote @Kevin_Z Presume...

@xokia Hi, do you mean the 2.4G is not stable after updating the router firmware to the latest official? Is the Smart Connect on or off? You can try to run Wi-Fi analyzer to review the 2.4G wireless...

@Jay9055 Hi, have you had a chance to reset and reconfigure the router? If that doesn't help, we would like to investigate the issue further via email, please check and respond, thanks.

@Khilfiaibaq Hi, have you referred to the below setup video to install the router? If not yet, give it a go first: https://www.tp-link.com/support/setup-video/ If you still failed, please refer to...

@Lewis004 @nisiel Hi, if you both also encounter the same issue reported by Big_Al, please kindly check the solution we provided in the below thread: [Solution] TL-WPA8631P Failed to Join OneMesh...