I Lost my phone which I use for two-factor authentication, now what? Danny November 05, 2018 23:46 Updated Answer: Contact our support. Click at this link to see all ways to contact our support. Related articles How to contact LiteBit? How to reset your two-factor authentication (2fa)? What is Two Factor Authentication (2FA)? How to. How do I enable two-factor-authentication (2FA)? My two-factor authentication does not work on IOS, what now? Comments 0 comments Please sign in to leave a comment.