Ok so im new to the phantom drones/and computer stupid...with that said, Phantom 3 Standard...I am having issues with my drone I just purchased used. The drone flies fine, gps works, compass calibrates... I have no video feed, and it says 0 SD card remaining. Firmware is outdated, but cannot update beacuse of the no SD card issues. On the app on my phone I can command it to take off and land fine. I have already replaced the flex ribbon and flat wires from gimble to drone.. I have tried 2 SD cards both formatted to fat32, both sandisk class 10, relinked controller several times, recalibrated IMU, and gimble.. On first start up, gimble moves like it should, but then it goes limp. I have talked to DJI support and not to the point where they said to send it in to them.. I kinda hate to do that if I don't have to. Im wondering if I bought a new camera and installed it myself if that would correct the issues..hoping someone has had this issues other then me. Thank you to everyone in advance for any help you can offer!