I installed an extension called IPvFoo in chrome to show whether my webpage is IPv4 or IPv6. Today I noticed my facebook was back to IPv4( I didn't change any settings), I decided to login tp-link...

I have the same problem but what I bought is archer C60(ac1350). I bought it on Dec. 22, 2017. And it happened yesterday. I typed in email address and pw, nothing happened. I turned the power off and...