I can not update it

ArduCopter Copter 3.5
1

I can not update from Ver3.4.6 to Ver3.5.1.
Is there a workaround?
The board that I use is Pixhawk.

2

Resolved by installing the PX4 boot loader.

1 Like
3

same problem, updatet bootloader but no change.
Any other ideas?

4

force px4 bootloader helps

1 Like
5

I had the same experience: upgrade impossible … unless force px4 bootloader option is selected in MissionPlanner

1 Like
6

It solved the problem by force px4 bootload.