User Activity

I just asked to swap my SIM to a nano, and the customer support guy said I should receive my SIM card within 3 to 5 working days, but the issue is my current SIM is no longer working and says SIM not provisioned....how can they turn off my current SI...
I am thinking of changing my current android phone to an iPhone 13 pro...Do I need a new SIM for the iPhone to access 4g/5g? I've heard that some people have had problems by just taking the old SIM and inserting it into the iPhone in that 4g is not s...
Kudos given to