Payment PIN is different to the Parental Controls Pin and is specific to your TV provider, but don’t worry this can be reset.
For BT users:
You can change your payment PIN by following the steps:
From the Home (or YouView) button go to BT Player > Settings Icon > Payment PIN
Enter your default PIN
You’ll then be able to set a new PIN
For TalkTalk users:
You can clear your saved payment PIN:
Please Note: If you've opted to remember your Payment PIN when purchasing content, you'll have the option to clear the saved PIN every time you make a purchase. If you've saved your PIN and then changed it in ‘My Account’ your TalkTalk TV Box will automatically remember the new PIN.
To clear the saved PIN follow the steps:
On your remote press the Info button to change the PIN settings
Press OK to clear your PIN. From now on you'll be prompted to enter your PIN when making purchases
If you’ve forgotten your PIN or you are having any issues with setting this up on your box, you will have to get in touch with your Service Provider for help.