Changing Firmware in Navio2

#1

I followed the video instructions, to update the firmware to ver 4.3.5.
The main reason to attempt this update on fw, was because I could not get the RangeFinder(TF Luna) to display the range with Mission Planner, despite testing and retesting the wiring, and trying both Serial and I2C connections.
In any case, it seems when following the procedure outline on the video, the daemon loaded, does not load the Telemetry Options, it seems it can not find the file for whatever reason.

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#2

Please disregard the previous post. I found the problem within the arducopter.service file. I needed to use the {} instead of () for ARDUPILOT_OPTS