Dirtguy1941
"Calls will not come through: I just bought the SE, everything has been working out for the past month, just recently certain calls have not been coming through. Some just go directly to voicemail and other simply hang up. Can’t figure it out."
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Troubleshooting iPhone SE and Call Issues:
A. Start Here: If you can't Make or Receive Calls on your iPhone - Apple Support
B. "No Service":
Is "No Service" shown on the top-left corner of your screen? If so, go here to fix that: If you See No Service or Searching on your iPhone or iPad - Apple Support
C. Install a Cellular Update:
It might be prompting you for a cellular update to install. So, go here for that. Update your carrier settings manually on your iPhone or iPad - Apple Support
D. Update the iOS Using a Computer: