I have an usb camera connected to a raspberry pi 3b, it worked smoothly until this last week. I made a couple of app updates on the pi and probabbly some got goofy. I learn from another forum that some guys had similiar defects and what they do was to rollback the firmware version of the camera/EPROM with the commands below

My doubt his how do i know what version i had before? Is there any command to access a log or history?

Apreciate your support on this, BR

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