RadioMaster TX16S User Manual page 15

D. Click the Replace Driver button (if the driver has been installed before, Reinstall
Driver will be displayed) to replace / install the driver. After the driver installation is
completed, you can use OpenTX Companion to write the firmware to the remote
controller correctly.
At this point, the firmware of the remote control is successfully written. Unplug
the USB-C (TYPE-C) and proceed to the first boot procedures.
15