Here is a guide on updating the Phantom 4 firmware via the DJI GO APP. This guide will apply for all future updates to the Phantom 4.
For reference, the update was done using an iPad Mini 3 running IOS 9.2. Android update is the same process.
What You Need:
Before you start the update, you will need to make sure of the following.
1: Phantom 4 battery is at least 50%
2: Mobile device is at least 50%
3: The SD card is IN the Phantom 4.
4: You have the USB OTG ( on-the-go ) cable that came with the Phantom and also the USB cable used to attach your mobile device to the RC.
5: You have internet connection on the mobile device.
6: A few minutes of your time.
The Update Process:
Here is a video guide to updating the Phantom 4 via the DJI GO APP. Pictorial update guide below.
6: The update can take up to 15 minutes and the Phantom 4 many flash it’s lights and make sounds, wait to be prompted by the App that it is complete. You can now power OFF the Phantom 4 and disconnect the cables.