Once on the product page, click “Software & Firmware” → “Programming Software” → Download “HYT TC780 CPS Setup v6.03” (or latest available).
or a physical USB drive option for various Hytera software models. Public Safety LMR TC-780 Programming Software v5.01.01 available on CD. Hardware/Software Bundles : Often features bundles including a USB programming cable, software, and drivers compatible with the TC-780 series. Required Drivers & Setup hyt tc780 programming software download link
This is usually a baud rate or COM port mismatch. Check your Device Manager to ensure the cable is assigned to a port between COM1 and COM8. Once on the product page, click “Software &