A TeraBox account refers to the account registered by the user with email address and mobile phone number 2. A third - party account refers to an account that logs in with a Google, Facebook, or Apple account.After successful login for the first time, a TeraBox account will be automatically registered.But after that, user still needs to log in with a third - party login method. 3. Tips: the account registered in TeraBox and the account logged in at the third party portal are two different accounts. If the above answer does not solve your problem, please go to the user feedback page and attach a screenshot of the problem.We will locate and solve the problem as soon as possible.