2 Arris Heavy lift drones

Drone 1 – Firmware Flash Per Arris Instruction
• Background: Arris approved and instructed that the flight controller firmware be updated to PX4 v1.15.4, and the controller applications were also updated with their approval prior to flashing.
• Result:
• GPS achieved 3D lock
• Compass calibration does not initiate stays at %

  •   Won’t test, Motors do not respond after arming 

Drone 2

Compass calibration stalls at 99%
• GPS will not lock
• Motors do not arm

I would appreciate any support. Will pay if needed.

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