This is an old revision of the document!

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Credits goes to airbender who started writing a very good tutorial. I could downgrade my P3P from 1.11 to 1.7 with success, so I just want to link to his thread.

This is important: The gimbal mainboard is getting hot during a few firmware flashes. The fan on the gimbal from P3P is not a great help. So it’s better to pretend overheating during multiple firmware flashes to simply take a temporary additional fan for cooling.

https://phantompilots.com/threads/downgrading-firmware-on-p3p-from-1-10-9-to-1-7-6.105384/