They are all V1

@TOHanks but yes, I have done it in emergency mode. https://www.tp-link.com/cz/support/faq/3062/ Exactly i didn't roll back, but updateed the firmware to lower version.

@Mike876 no. I just hard reset it and manually reconfigure it from scratch, because restoring old configuration file form version 1.3.x didn't help. If you don't remember all your configurations, you...

It works fine in standalone mode, so why not in controller mode?

https://www.tp-link.com/support/faq/3062/

@DerekTsui to use more domains of no-ip, use custom DDNS instead: In your case with 2 domains: paxtontsui.no-ip.biz and xxx.myftp.biz (replace yourusername yourpassword please) Update URL:...