I forgot PIN number.
You can set Pin number to lock channels/apps, and change the number, if needed.
Initial PIN number is “0000”, and user can change this number.
※ If you forget the PIN number, it only can be reset by contacting customer service. Therefore, carefully choose and set PIN number.
※ Items to be checked
After locking certain channels and external input, you can undo the lock by entering PIN number temporarily.
How to fix 1
① Home or Menu button→ Lock→ Enter password→ Set password→ New password (twice)
① Smart→ Setting→ Lock→ Password→ Set password→ New password (twice)