Trying to update the 3DR MTEK GPS V2

I have two of teh 3DR MTK GPS V2 units and am trying to update them to version 1.9 of the firmware. I was able to do this successfully with one of the older units, but cannot get it to work with the new ones. Has anyone else had any luck?

 

I have the 3DR FTDI->GPS cable abd when I run MiniGPS< I can read the devices fine, but when I try to check the firmware version, using the Query command under About, I get no response.

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If I try to use the flash tool to do the update, I get this:

3690996875?profile=original

Any suggestions?

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