Things You'll Need
Instructions
Power on your PlayStation 3 and log into your PSN account. Navigate on the cross media bar to the menu item listed as ̶0;PlayStation Network.̶1;
Scroll up and highlight ̶0;Account Management.̶1; Press ̶0;X̶1; on your PlayStation 3 controller.
Highlight ̶0;Account Information̶1; and press ̶0;X.̶1; Scroll down to ̶0;Password̶1; and press ̶0;X̶1; once again.
Enter your current password using the text entry box that appears. You can select each letter and number of the password using your controller or connect a USB keyboard to your console and type in the password. Select ̶0;Continue̶1; when you have finished.
Input your new password. It must be at least six characters and contain both numbers and letters. Enter the new password again in the next box to confirm.
Highlight ̶0;Confirm̶1; at the bottom of the menu and press ̶0;X.̶1; You will automatically log out of the PlayStation Network and be taken back to the cross media bar.
Select ̶0;Sign In̶1; under the ̶0;PlayStation Network̶1; heading and press ̶0;X.̶1; Enter the email address associated with the account and your new password, and then select ̶0;OK.̶1; You will be logged in with your new password set.