HOW TO: Downgrade Phantom 4 firmware - Phantom 4 - DJI Drone Help Forum
DJI Phantom 3 Firmware Update – Guide for Pro, Advanced and 4K – heliguy™
How to Get Ready for The Phantom 4 Firmware Update - NOAR
DJI Support - Phantom 4 aircraft firmware v1.1.411 has been released! It fixes the camera live view so it does not become blurry when using a color profile, i.e. D-Log, B&W, etc.
Drone mapping expert weighs in on Phantom 4 RTK firmware - DroneDJ
DJI drone acting up? Refresh the firmware! - The Drone Trainer