I can´t make a call buy my iphone since 5th of May, every time a make a call i receive a message saying Install IOS profile
I can´t make a call, it´s always say " failed call" how can i solve it ?
iPhone 7 Plus, iOS 15
Question marked as
Do you have a MDM profile?
See this Apple article: Checklist: If you want to see if anyone else has access to your device or accounts
Checklist: If you want to see if anyone else has access to your device or accounts - Apple Support
See point 5.
Read again -> Related Article -> Install a configuration profile on your iPhone or iPad
Or contact your company.