Downgrade or Reflash Firmware on Craft

Joined
Nov 21, 2016
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Hertfordshire, UK
I'm trying to downgrade or reflash firmware on the P4 using the DJI Assistant 2 pc or Mac software. It downloads the firmware then fails when applying firmware. Doesn't move off 0% .

Any ideas?


Sent from my iPhone using PhantomPilots
 
You might have better luck using the GO app. Connect the P4 directly to your tablet and turn both on...wait at the main screen -(before entering camera view)- and hold down the graduation hat symbol (top right) for more than 10 seconds. When you release it, you will get a screen up telling you what firmware is installed, and giving you options.
 
Yesterday when the DJI Go app complained the firmware was no good to fly, I tried using it to do an upgrade, but it wouldn't do it over the wireless link. I then tried the DJI Assistant software but it was hopeless. It connected to the P4 but always failed on 0%.

Using the iOS app DJI Go 4, I was finally able to upgrade the firmware.
 

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