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Unable to use webcam on MI BOX after update

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New member
Dec 25, 2014

I bought MI BOX (International Edition) from offical site of Taiwan in 2017. Several days ago I found that I can install Google Duo on it, so I bought a 1080p UVC webcam and connected it to MI BOX 3. I can make a video call to other user without problem.

On 6/18, a message said there is a system update, so I installed it and reboot. Since then, I can nolonger use webcam. Everytime I opened Duo, a message said Duo can not connect to the webcam.

I tried rebooting the MI BOX, reinstalling Duo and resettting MI BOX, nothing worked. I connected the webcam to PC, it worked normally.

How to fix this problem?
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