beeping

I just bought this used Inspire 1 Pro with Zenmuse x5 with x2 Controllers (Master And Slave). And tried to Upgrade the firmware, which failed at first attempt, and Since then Its just Constantly Beeping. To solve this I tried these Steps : 1. Calibrated both the Controller more then 5 times...

I have 2 Inspire 1 Pros and am using the following firmware versions: App: 3.1.66 Aircraft: 1.11.01.50+ Remote Controller 1.7.80 Camera 1.11.1.50 with iPad 13.6.1and iPad Air2 13.6.1 Both aircraft connect with the remote control but when the slave (camera) is turned on, it immediately goes...

My two-week old I2 started making a high pitched pinging, beeping-like sound (it was not actually beeping) while hovering or making gentle maneuvers. Other than the noise, it has been stable and responsive and no issues at all (~3 hours and 10 flights). This noise started occurring on my 3rd...