gil
Captain
Flight distance : 1379308 ft
United States
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Bad news: Essentially, there is no way to downgrade by simply reinstalling v3.12 -- if you will recall, for the Phantom 2 series the main controller firmware was downloaded through the Vision Assistant via an internet connection. It was never released as a separate zip file that you could install on the SD card.
Having said that, there may be some good news: (and boy, this one made my brain cramp up trying to remember where I read about downgrading from an update!) back in early 2015 there was a firmware update that was causing a lot of ERROR [25] -- IMU initialization failures which resulted in bricking a lot of Phantoms. Needless to say, people were scrambling to find a solution. I eventually found something in my notes that purported to have a solution that included downgrading the firmware.
Having said that, I ain't making any promises! You do this at your own risk, electrons may be harmed in this process, adult supervision recommended and throw in any other disclaimers that may be applicable. Here is the thread: For ALL users who were bricked by 3.10 (READ HERE)
(Let us know the outcome -- good, bad or indifferent)
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