Roku Device 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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SullyStream
Level 7

Roku Ultra 4, can't format new microSD card

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When I insert a brand-new 32GB SDHC microSD card (smallest memory size available at my local computer shop) into the slot on my new Roku 4 Ultra, it recognizes the card, prompts me to format, and then times out at 10%. Then it displays the message "Unable to format your microSD card for use with this Roku player." Card works fine on other device. Any troubleshooting suggestions?

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Community Manager
Community Manager

Re: Roku Ultra 4, can't format new microSD card

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Have you tried reformatting the card in another device, then reinserting it into your Roku again and seeing if it is able to successfully reformat the card? If that isn't working, I'd recommend trying a card from a different manufacturer. Many options are available online via Amazon, etc. 

If you're in the US, we also offer them on our accessories page here: https://www.roku.com/products/accessories/player


Cheers,
Tanner
Tanner D.
Roku Community Manager

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Community Manager
Community Manager

Re: Roku Ultra 4, can't format new microSD card

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Have you tried reformatting the card in another device, then reinserting it into your Roku again and seeing if it is able to successfully reformat the card? If that isn't working, I'd recommend trying a card from a different manufacturer. Many options are available online via Amazon, etc. 

If you're in the US, we also offer them on our accessories page here: https://www.roku.com/products/accessories/player


Cheers,
Tanner
Tanner D.
Roku Community Manager

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jeffrok
Level 12

Re: Roku Ultra 4, can't format new microSD card

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"SullyStream" wrote:
When I insert a brand-new 32GB SDHC microSD card (smallest memory size available at my local computer shop) into the slot on my new Roku 4 Ultra, it recognizes the card, prompts me to format, and then times out at 10%. Then it displays the message "Unable to format your microSD card for use with this Roku player." Card works fine on other device. Any troubleshooting suggestions?



Roku devices are VERY picky as to which cards work with them.



Btw, are you speaking of a Roku 4, or a Roku Ultra? There's no such device called a Roku 4 Ultra.

Yeah, I got some Rokus.
https://youtu.be/d1CSEeqWl10
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Chicken
Level 9

Re: Roku Ultra 4, can't format new microSD card

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Not just Roku in particular but it's common for devices to reject certain SD cards.  Check your documentation for approved and tested cards, I've had good compatibility results with Sandisk SD cards in general but I haven't tested one specifically with a Roku.
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Kturbert
Level 7

Re: Roku Ultra , can't format new microSD card

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I got a microSD card to be recognized by my roku ultra, I formatted it on my windows 10 pc at a slow format took it out put in my roku ultra and it was instantly recognized asked me to format the memory card within 2-3 minutes I was good to go!

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Kturbert
Level 7

Re: Roku Ultra , can't format new microSD card

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This is the MicroSD card I used 

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SanDisk Ultra 32GB microSDHC UHS-I card with Adapter - 98MB/s U1 A1 - SDSQUAR-032G-GN6MA
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