Hey Kevin, Well that is crazy, I was trying reset the camera before but it didn't work. Maybe I had to hold the reset button for longer time. Everything is working fine now, thank you for the reply...

I'm not able to add new camera NC450 to android app. I downloaded the latest version from here https://static.tp-link.com/2018/201812/20181219/tpCamera-3.1.9_Build17-V377-armeabi-release.apk.zip I...