@David-TP I recently bought the router used, and I don't know how long the previous owner had it. Following your suggestion, I reset the router, and it prompted me to download v1.3 in the web...

@David-TP Thank you, David, for your reply. I have tried your suggestion, but unfortunately, it still shows me error code: 71211. I would also like to mention that the Hardware Version is Archer...

When I try to update my route through the web management interface, it says the internet is unavailable, although it's connected and I can access the internet. When I try to manually update, it shows...