@Idc_Idk Only your retailer can answer this question, as well as a possible return window for the item and buying a new one.

@Dijin Go through this FAQ for more details on your question.

@KarthickShankai Yes, that's true. Check the Archer C50 ethernet ports tech specs here. Nevertheless its wireless radio (5G) supports speed up to 867 mbps, the bottleneck is its Internet (WAN) port....

@imaddicted2u2 That's not possible. Best approach is to make some notes (for example in notepad) or screenshots for A7 configuration. Then use these notes / screenshots to transfer the configuration...

@Loi_ When using WDS feature the router doesn't use its Internet (WAN) port and any MAC address change would be irrelevant in this case.

@Thunderlight Here's the list of routers supporting DOH and DOT.