I have a iPhone that replaced a lost one and can not activate it
I have a new replacement iPhone and can not get cellular service or activate it
iPhone 11 Pro
Question marked as
Did you take the SIM card out of the old phone and put it in the new phone? That’s how you transfer service from one phone to another. If you didn’t and you no longer have the old phone contact your carrier for a replacement SIM or to activate the eSIM in the new phone.