The Phantom 4 firmware is not just one big file like previously, its a collection of smaller module firmware updates.
The GO App checks online with DJI on startup ( if it has Internet ) for the latest release version, that version will list all current module updates available also.
If the release version is newer ( you have 1.1.410 installed and it detects the 1.4.411 available ) the App prompts you that a new firmware is available. If you are running the latest release version, the app checks the individual module versions against whats installed on the Phantom 4. If it detects a difference the GO App prompts you saying the firmware is inconsistent and allows you to update just that module ( battery for instance ).
So, all you need to do is update to the latest firmware 1.1.411 then turn OFF the Phantom and close the DJI Go App. Put a new battery in, power ON the phantom then start the GO App. After a few seconds the app will prompt you if anything ( like battery ) needs updating. Do this for all batteries you have.
The Spare Batteries Update Process:
1: After the firmware upgrade of the aircraft is done ( this will have done the battery used as well ), turn the Phantom 4 off, exit the GO App.
2: Remove the battery used for the main upgrade and replace it with another battery.
3: Open the GO App then power ON the Phantom 4.
4: After the Phantom initializes, the App will prompt you then the firmware is inconsistent, slide the “Slide to update” button to begin the update process. takes about a minute. The GO App will inform you when the process is complete.
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