1. Please check the USB data cable and it is recommended to use the USB data cable provided with the camera or another cable that meets USB 3.1 Gen2 (USB 10Gbps) specifications. 2. When connecting to your computer for file transfer, it is recommended to use the copy method instead of the cut method to achieve the maximum transfer speed. The transfer speed for videos and large files is approximately 200MB/s, while for photos and small files, it is about 120MB/s. (If you have any questions in the usage, please feel free to contact our service team at...