Playback Issues - Audio/Video & Power

Help with audio & video playback issues, TV display type recognition & compatibility, HDCP messages, troubleshooting playback errors, advertisements, and resolving power issues.
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Level 7

Roku ultra 4k vídeo formats USB

Good evening!!
i'm  of buying a roku ultra 4k, but i need to make sure if it runs through usb input, bluray and dvd ISO files, bluray BDMV and mkv, could you tell me? I have several external drives with files in these formats. A hug to everyone!!
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Level 7

Re: Roku ultra 4k vídeo formats USB

Go to Roku Ultra ( and scroll down until you see audio & video supported format for USB port.  I believe Roku supports most of the formats you asked for but except ISO.


I plan to ask Roku if they in the future support ISO format.



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