The 4th is not from Amazon, Got it from Dronenerds. No error messages. Just doesn't start. No prop or gimbal movement. No wifi. The fan is running and it won't power off unless you take out the battery. I took the card out and put in the reader and it shows about 4 videos pointing upwards.
Hey buddy, sorry for all the trouble your having getting one that actually works but this thread is for the newest firmware and your problems really have nothing to do with this update. Perhaps post in the thermo section about all the issues you are having.