This HT was sold at the Dayton Hamvention as a 7 watt HT with a 3800MAH battery,  In trying to program it as a UV5R I could read from the radio but could not install a new image on the radio as I was getting a Unsupported Firmware Version
N5R3407BFP3-23XX error.  This radio's drivers are experamental.   I had found out the chip version of the Baofeng programming cable was needing the Prolific 2303  TA drivers which I got from the Prolific web page and these worked ok.  I then discovered you must download the radio as a Baofeng BF-F8HP image and this solved all the problems.  Dave
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W9DP DAVID PRUITT
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David R Pruitt W9DP ( Amateur Radio ) 20 WPM EXTRA
Media Services Technician/Computer Network Specialist
Vincennes University (Retired)
1506 Franklin Dr 
Vincennes, In 47591-6403
812-316-0333
Email: dpruitt@ymail.com