Recently I upgraded my Huawei B525s-23a 4G router’s firmware (new software version 81.191.13.00.1134, Web UI version 81.100.31.02.1134) only to find out the trick to change DNS servers has stopped working:
After brief inspection with browser’s developer console, worry not, DNS settings are still here (hidden of course). To show the settings navigate to Router -> DHCP, press F12 and enter this into developer’s console:
Press enter, and the settings are back:
Tested with Firefox, Chrome and Chromium based Edge.