Phone is not making calls

[Pl123]

Hi I upgraded my phone last week and now I can’t make calls and I have nearly no data,please advise me how I can get my phone back to normal, I understand that I will need to pay more money.Peter Ladds 

[madasaf1sh]

@Pl123 

You shouldnt have to pay anymore money to get the phone working.. 

Did you get a new sim card or are you using the sim card from the old phone?