DJI Phantom 3 Standard Firmware Upgrade/Downgrade Guide - YouTube
DJI Support - Firmware update for Phantom 3 Standard (v1.9.20) & Phantom 3 4k ( v1.6.50): #Phantom3 #Firmware What's New 1. Updated No-Fly Zone Management. 2. For increased safety, the flight is
Step by Step Downgrade from v1.9.20 to v1.5.70 | DJI FORUM
Flying DJI's new Phantom 3 Standard—better software, better camera | Ars Technica
Phantom 3 4k-Where to find new firmware downlaod URL | DJI FORUM