@SDHINESHKUMAR 1.11.30 Build 220624 Rel.50807n(5553) should be allowed to downgrade to the previous 1.11.0 Build 220425 as per the release note, there are no limitations on the downgrade. Can you...

@Killwish Can we have the wireless and LAN DHCP setup on your ZTE Gpon ont router? Does the A6 connect to it via 2.4G or 5G? What if you try the other? You can also modify the wireless settings on...

@TheOneGuy If the current firmware on your C6U is 1.0.4 Build 20201230 rel. 53346, you can download and save the firmware file from the TP-Link official website:...

@Robinn Is this AX50 working as the main router and DHCP gateway in the network? Are the QNAP TS251+ and TV obtaining IP addresses from the AX50 automatically? You can try to set Address Reservations...

@CDavis Is the internet not working on the AX3000? If that is the case, please go through the troubleshooting suggestions to connect to the internet: What should I do if I cannot access the internet...

@Pedr0x Thanks for the follow-up. The support engineers have sent you an email, and the ticket ID is TKID220805451, please check your email box and reply.