Looking for logging into the Unifi Security Gateway Pro site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Unifi Security Gateway Pro site. After that you can login as usual with your login credentials.
https://dl.ubnt.com/guides/UniFi/USG-PRO-4_QSG.pdf
https://community.ubnt.com/t5/UniFi-Routing-Switching/USG-not-allowing-me-to-login-directly/td-p/1164966
https://dl.ubnt.com/guides/UniFi/USG_QSG.pdf
https://setuprouter.com/router/ubiquiti/unifi-security-gateway-pro-4/login.htm
https://www.routerdefaults.org/de/ubiquiti-networks/usg-pro-4
https://www.youtube.com/watch?v=tCZIIHxkS_8
https://www.youtube.com/watch?v=-vbwEGBTlLQ
https://www.youtube.com/watch?v=Df6hiLAFH3I
https://www.youtube.com/watch?v=-Vp4gPcBOzs
https://www.amazon.de/Ubiquiti-USG-PRO-4-Security-Gateway-Router/dp/B01A9HFTYA
https://www.youtube.com/watch?v=DMFNONIUF1U
https://geizhals.de/ubiquiti-unifi-security-gateway-pro-usg-pro-4-a1414168.html
https://pilotfiber.com/tutorials/restore-ubiquiti-unifi-security-gateway-factory-default