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EV2400: EV2400 : Not able to upgrade FW

Part Number: EV2400
Other Parts Discussed in Thread: BQSTUDIO

Tool/software:

I have similar issue. 

Not able to update FW itself it shows error as below


Cycle power to the EV2400 --Did multiple times
Tried a different USB cable
Rebooted the PC
Tried a different PC 

All LED's are on.

If I open device manager I am not able to find EV2400 anywhere, but if i open :Bluetooth and Other devices" there in other devices it shows as below,

What could be the issue?