Can the Polaroid Cube turn on by itself or through the app? No it cannot. You can only turn the Polaroid Cube/Cube+ on manually by pressing the multifunction button until it turns green and the device beeps three times. Related articles How do I view my livestream? Can I connect my Polaroid Cube to my computer? Quick Start Guide Download Mobile App Why is there no sound on my videos? Comments 0 comments Please sign in to leave a comment.