Firmware Help Please?

[go-ahead-doubledown]

Purchased a used Spark with 40 minutes of flight time. Downloaded the update successfully. The install FAILED several times. Then a DJI report.
Any suggestions would be greatly appreciated.

 

[CarlStarke]

Try using DJI Assistant on a PC

 

[go-ahead-doubledown]

Thanks, I assume it would be the AC connected to the PC?

 

[CarlStarke]

Correct yes