Only the mobile provider who suspended or blocked the PIN can do that.
You need to contact them.
Or, get your money back from the seller.
1. If any post helps you please click the below the post(s) that helped you. 2. Please resolve your thread by marking the post "Solution?" which solved it for you! 3. Install free BlackBerry Protect today for backups of contacts and data. 4. Guide to Unlocking your BlackBerry & Unlock Codes