Archer A7 TFTP factory reset

I have been trying to install open WRT on my archer AC 1750 A7

I bricked the router but I was able to use TFTP to load the factory been from TP link website. However every time I load this bin and I let the router reset, comes back and takes me into Luci. I get a login screen with root but nothing will log me in.

I have tried several times but I cannot seem to get back to TP Link admin for the A7.

I follow the same exact process for a C7 using TFTp and it works.

Any ideas?

More than likely, this is a browser issue. Try clearing the cache, or use a different browser.