Hi Everyone, I had the issue of not being able to use voice, cellular data & WiFi on Iphone 12 pro, IOS 14.4.1, carrier - Visible. Problem started after I flew back into the USA. Tried all the usual steps like resetting network settings, deleting Nord VPN App, pulling out the SIM and rebooting which suddenly got the WiFi and voice calls to work. To get Cellular data working , I tried to toggle between the 5G and 4G cellular data options, filed a complain with carrier, updated to IOS 14.2.2; none of which worked. 2 days later digging into every setting on the phone, I found a profile “unlockit.co.nz” under General Profiles & Device Management. Couldn’t find this on my other iPhone so I deleted the profile and rebooted the phone. And cellular data started working! Hope this helps!