@vijayabharathi it is very nice of you:D Sometimes when you can not open some websites, however the internet is still going on, it is worth trying on decreasing MTU size. I got it. Cool.

The configuration of router is related to your modem. So do you have a cable modem or DSL modem? For cable modem, you may look at this: www.tp-link.com/en/article/?faqid=142 and...

Does your campus require you register MAC address? You may try as the following: 1. connect the wall jack straight to your PC, then use ipconfig to pick up the IP address, subnet mask, default...

I have a customer who got the same upgrading issue. he just told me that he downloaded the firmware for this model V4 once again from tplink web, and you guess what..it went through smoothly this...

Sandwich wrote Actually I didn't unzip it initially, until the router told me that it was the wrong file format. :p And yes, I made sure it was the matching firmware, to the best of my knowledge......

Since you can not pass the login process with admin and admin, you can give another try after you reset the router to factory defaults. If this goes with no luck, the problem might be caused by some...