: If your PC shows a "Code 10" error in Device Manager, you likely have a cable with a counterfeit Prolific chip. Reverting to an older driver (version 3.2.0.0 from 2008) often fixes this.
Disclaimer: Always verify your radio’s PCB version. Incorrect wiring can damage your radio or computer. When in doubt, buy a verified cable from a reputable seller. qyt kt8900 programming cable pinout top
: This pinout is compatible with CHIRP or the official QYT programming software. : If your PC shows a "Code 10"
Use CHIRP (open-source) or the official QYT Programming Software . Incorrect wiring can damage your radio or computer
: Ensure the radio is turned on and the correct COM port is selected in your software settings. Avoid using USB hubs.
NC (Not Connected) or PTT in some setups, usually not used for programming. SLEEVE: GND (Ground)
: The programming cable connects to the "DATA" jack located on the rear panel of the radio.
