Yeah That red light not a good thing! I have 3 bad boards, 1 physically damaged you can see burn marks, but has a green light, and gimbal works, just no FPV, I have another board with green light, but no gimbal action or FPV, and last was a red light gimbal works, but no FPV.
Please note step 1 is not enough. To force close an app, go to your mobile device Settings - Apps - DJI Go (or other app name) - Force close. -Start your aircraft and remote controller if you are using one, and let them initialize for a few seconds. -Connect to the Wi-Fi network of the aircraft. -Start Litchi. Per @quaddamage - "The battery is "intelligent" - when turning it off, it sends message "save settings, power off is imminent" to FC and camera, and waits for acknowledgement. Just to be sure, it sends that message 3 times. If it receives back message "affirmative, settings saved" then it turn off immediately. . 481 124 14 414 22 182 217 145