Phantom 3 pro imu July 8, 2019 16 32 64 128 Phantom 3 pro imu error Phantom 3 pro imu initializing Dji phantom 3 pro imu calibration Phantom 3 se 4k Phantom 3 gimbal Phantom 3 vs 4 Phantom 4 vs phantom 3 pro Phantom 3 standard vs phantom 3 pro
