can't upgrade

Good evening all. I finally bit the bullet, and traded my 7-year old Phantom for a factory-refurbished P3P. By now, I have spent many days trying to get copter, remote, and batteries to update, but to no avail. I'm using the DJI Go app, version 3.1.52 (downloaded beginning April 2019), and have...

Got my ps3 last week. Upgraded the p3 just fine. Now I can't upgrade my controller! I have just the bin file on my usb card, plugged it in, turned on my p3 then the controller, no amber light. The p3 shows green in back, just a blink,,blink. The front ones show solid red. What am I doing wrong...