Step 1: Download ContentPIN: No Content-PIN Attribute
Step 2: Go to Advanced Menu settings. You MUST NOT be able to set a lock code.
Step 3: Download Content-PIN: on
Step 4: Go to Advanced Menu settings. You MUST be able to set a lock code.
Step 5: Download Content-PIN: off
Step 6: Go to Advanced Menu settings. Lock code MUST be reset and you MUST NOT be able to set a lock code.