How can I lock On Demand Apps? To unlock channels, on your SoundBox, Go to MENU > Settings > Security PreferencesEnter your PIN and go to TV CHANNELS LOCKED AND HIDDEN.Untick the channels you wish to unlock and press confirm. Related articles How can I unlock channels and Apps? How can I record on my device? How can I watch channels which I have hidden on my SoundBox? Is it possible to hide channels I do not wish to see? Comments 0 comments Article is closed for comments.