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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Level 7

TCL 55S405 stop at loading screen and keep reboot my TV

I have an issue w my TV TCL55S405. the screen is stopped at TCL Roku TV 4 K UDR. Seem like the firmware is broken. Need to learn how to update firmware through USB sticks.

Thanks in advances.



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Community Streaming Expert

Re: TCL 55S405 stop at loading screen and keep reboot my TV


Roku doesn't make TVs. For Roku TVs, Roku supplies the "smarts" for the smart TV. For functionality regarding doing updates to the TV via ports, contact the TV manufacturer.

Roku Community Streaming Expert
Note: I am not a Roku employee.

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Roku Employee
Roku Employee

Re: TCL 55S405 stop at loading screen and keep reboot my TV

Hello @rnguyen522

Thanks for reaching out here in the Community!

Try performing a factory reset on your TV and see if that will resolve the issue you're experiencing. Check out this Support link for instructions: How do I factory reset my Roku® streaming device?

Moreover, if the issue persists after attempting the suggestion above, contact the TV manufacturer to see what options or suggestions they can provide. Each Roku TV manufacturer provides direct support and warranty services for their products running the Roku OS. 

You can contact TCL Support here: or at 1-877-300-8837.

All the best,

Kariza D.
Roku Forum Moderator
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