I think there are some more peoples here with the same issue . . . check out this link:- https://community.tp-link.com/en/home/forum/topic/112088

yes bro . . I tried this too

Thanks for the reply friend . . . I tried with two different adopters with router's required input parameters, but it still with the same issue. Thanks again buddy . . .

When I turning on the router, the power LED continuously blinking. Is there anybody who can help me with this. Last month I upgrade my firmware and it works fine, but all of a sudden it showing this...