Why is my current number not associated with iMessage/FaceTime?
A month ago I switched providers and took my number with me, so my number doesn’t match the number the sim came with. This was fine until a week ago, and now I’m getting a warning message that my current number isn’t associated with my phone and will expire from iMessage/FaceTime in a few days. I’ve restarted my phone, turned iMessage and FaceTime on and off, and tried to change the number manually. How do I fix the glitch?
[Re-Titled by Moderator]
iPhone 12 mini