The Jellyfin app is available on almost all devices from phones to video game consoles. Below is the links on where they are available to download from.
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Due to a technical limitation of the Roku store, the Jellyfin app for Roku may state that a cable or satellite subscription is required. However, no subscription of any form is required to use the Jellyfin server or any official client.
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How to setup Jellyfin on Infuse please click here