@tasty343 Follow this thread's solution instructions.

@AZdark This router model is targeted at ISPs. You can't upgrade its FW with a regular AX1500 FW. You should ask your ISP to be advised on this matter.

@OreteP To be able to do this, you need to have an access to your ISP router. Check this story for a general configuration in a similar scenario.

@TP-Lurch The router doesn't have feature which would allow it to store the RSTP stream from a security camera on its local USB HDD. Depending on your security camera make/model its software could...

@Kaneco Orange LED on WAN interface means that you don't have an internet access on these particular AX53s. And that's the reason you can't see the FW update available as on these particular AX53s....

@IsItMe Check this thread to find your answer.