One of the cube pieces fell off, what can I do? GoCube November 19, 2020 13:24 Updated As long as it's not broken, you can re-attach it by doing as it's shown in this video: When in doubt, please contact us at Support. Related articles My Rubik's colors are not synced with the colors in the app. How do I reset my cube? My GoCube's colors are not synced with the colors in the app. I can’t see my GoCube in the pairing screen My phone crashed while I was in a middle of a battle. Will the app restore the score? Comments 0 comments Article is closed for comments.