When you subscribe via the Amazon Fire TV app, you'll receive a confirmation email from ALLBLK that includes a password. This password allows you to log in to other devices including Roku, Apple TV, iPad, iPhone, and the ALLBLK website.
If you did not receive the email, you can obtain a password by visiting this page. Enter the email you used when you signed up for ALLBLK, and we'll send you a new password that you can use to log in to other devices.