You would be getting the error message "Your email ID is already linked to an existing account, please login using the account" if you are trying to signup with the id which is already have an existing account .
If your subscribed login method is LOGIN WITH GOOGLE or FACEBOOK, click on either of the options respectively.
NOTE: Your device needs to have the same Google or Facebook account configured.
If your login method is via email ID and password, click on LOGIN WITH EMAIL or "Login with email and password" and then enter your email ID and password manually to login.
If there is a contact number enlisted against your account, you can enter your contact number followed by OTP for login.
You are using the right login method and still not being able to login?? Contact our customer happiness team by dropping in a mail to support@hoichoi.tv or by initiating a chat, and we will have you assisted.