How do I fix the carrier settings update fail?
How do I fix the carrier settings update fail icon that pops up and won’t let me use my sim at all and if I reset my phone it won’t work at all?
[Re-Titled by Moderator]
See this support article:--> If you see an Update Failed or Apple Pay Not Available alert after iOS update or restart - Apple Support
If you still get no help, contact Apple Support using this link:--> Get Support
Regards
Giulio