Network provider is locked
How do I contact my network provider of my iPhone please, according to what I learn that, there is fee to payed by my provider. I want to know and could I have done to operate my iPhone again.
Who is my carrier / netwerk provider?:
Go to -> Settings -> Mobile network -> scroll to Network selection you can see who your carrier is.
Then call or visit them, search their phone number / address via Google.
there is fee to payed by my provider.
Are you use mobile phone billing as an Apple ID payment method?
See this Apple article: Availability of mobile phone billing as an Apple ID payment method
Availability of mobile phone billing as an Apple ID payment method - Apple Support (MD)