@felixk Yes, we have reported the issue to the support engineers, they will likely reach out to you via email to continue to troubleshoot your issue, please check and confirm.

@HansF What if you leave the Smart Connect turned off on the AX6000, will the 4K AV equipment connect to the 5G network?

@M____ Hi, thanks for reporting the issue to the community. As per your description, it seems that the distance between the RE605X and the AX6000 is a little far away, or there are walls or other...

@PickaBoo The firmware we provided here can be upgraded onto the US version.

@Marcelo-Alegria Hello, thanks for asking. I saw you have already upgraded to the Onemesh firmware for the AX6000, and it seems you've set it up successfully, while you are experiencing some issues,...

@kiwikezza Hi, here is the firmware that supports Onemesh, give it a go: https://community.tp-link.com/en/home/forum/topic/251474