Error updating firmware from Unity 23.46 to VESC 6.02

[jaykup26]

When the Unity is running the older Enertion firmware

The bootloader times out when trying to update the firmware

It will continue loading the firmware, but upon reboot it's still on the old firmware.

Manually flashing the bootloader also displays a "timed out" error.

Manually loading 6.02 from the VESC firmware archive doesn't stick.

Manually loading 5.03 from the VESC firmware archive does work. From there I can update the bootloader and get onto 6.02

[jaykup26]

Same issue trying to go from 3.102 to 6.02 on a original Focbox (the single based on 4.12)

Same resolution. Need to manually load 5.03, then I can update normally to 6.02