Dropped calls
Within 1 minute of connection iPhone SE drops every call in any location. Seems to have begun after last iOS update. Nothing else changed How to correct?
iPhone SE (2nd generation)
Did you already try to force restart your iPhone?
Have a look at this article:
Force restart iPhone - Apple Support
If you are using the 5G network, did you try to set it back to 4G in Settings/Cellular?