The offer ended yesterday - August 31. You would have had to register your email via a link with the offer on the Public Mobile website first, before the offer ended, and then activated your new account after.Sorry you missed it
The promo code is a referral code you can receive from an existing customer which will give you a $10 credit. This is different than the free month promo. In order to qualify for the free month promo you need to register your email address here: htt...
