Sir,
I recently purchased two of these radios, but am having trouble programming them using the purchased cable that interfaces with the radio and ends in a USB cable. I have tried with both a Windows 10 and a Windows 7 Home pc. I checked the firmware version and saw that it read: BFB297
I check the devices in Windows 10 and it shows com3 or com4, depending on the USB port and it looks good.
I click on new and then click on the radio tab and put in com1 or com2 or com3 or com4 and always get an error (vendor is Baofeng and UV-5R).