To be able to sign up to SportzTV IPTV, you have to first install ES File Explorer on your Android TV box. Unfortunately, the application is no longer available for free therefore you'll have to sign up to it. In order to download ES File Explorer, first activate the unknown source setting for the Android Television box. After that, visit the Play store. Then, type "ES File Explorer" in the search bar and select the Install option. You'll receive the email address with your login details.