controller wont upgrade?

[Phantom fisher]

succesfully upgraded p3 but mycontroller wont upgrade via usb cable to p3 or even plugging usb stick direct into usb port on controller?

i think this is causing me connection issues to my p3 it frustrating any advice appreciated!

 

[GunnyPapa]

You need to follow the below link/instructions

Install the firmware on your remote controller using the DJI GO app