Yeah u gotta add the APN for Public Mobile for sure. If it doesn't give u the option to add a new one then u need to put a Freedom Mobile SIM card in ur phone first then it will let u add a new APN. The Freedom Mobile SIM card doesn't have to b activ...
Did u say it was a new phone? If so u might have to go into settings and find APN, if this is the problem u can look up the APN for public mobile and add it on ur phone in order for mobile data to work. I had to do this to my phone but I had to get a...