Am I required to connect my Facebook Account? Particula Help Center November 15, 2021 20:01 You can sign-up using only your email address. Linking your Facebook account is not required. Related articles Why do I need to sign up to use the app? How do I download the App? Does the App work for both Android and IOs phones? I can’t see my Rubik's Connected cube in the pairing screen How do I reset my cube? Comments 0 comments Article is closed for comments.