Features, settings & updates

Help configuring Roku device settings, using Roku OS features such as screen mirroring, adjusting display type and audio settings, using Guest Mode, and assistance with software updates.
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Level 7

Re: Roku Ultra 4670x cannot play MKV files, but 4662RW Ultra LT can?

Well I just bought the newest Roku Ultra (4802x) and it says .mkv files are incompatible???

My old Roku Ultra plays all my .mkv movie files just fine. 

I've opened a ticket with Roku support. They had me reformate the USB drive to FAT32 and try again. No change. They I just got emails back and forth saying they're looking into the issue and one email said they have a solution and to call. I called and not solutions. They'll get back to me...

What give Roku???

Thank you,


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Community Moderator
Community Moderator

Re: Roku Ultra 4670x cannot play MKV files, but 4662RW Ultra LT can?

Hi @daveruiz,

Thanks for your first post in the Roku Community!

We can certainly understand your concern regarding the issue with your Roku Ultra.

We can see that you’ve been in contact with our Support team regarding your issue. Please be noted that our Support team responded via email recently. Please check your email and let the Support team know if you have any other questions so they can assist you further and provide a resolution to this issue

If you have any other questions or concerns, please let us know.

Best regards,

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