PH2.1: Flip @ start with U11 Hexacopter 3.5.0 RC4

@copterart wrote:

Hey guys

I need your help - maybe we've found a bug in the software.
I had great results with autotune @ 10 Hz at several flight before the weak crash happened . After that i bring up the AltHold Rate because the copter fall 1-2m after I am braking down the Hexa. But I think too much .

Before I started to the flight with the Alt Hold P value (1,000 to 1,035) I switched the Sport flight mode back to AltHold flight mode but the log didnt show that. I displays still the Sport Mode.

At the start the Hexa (wasn't in the air too) it made a flip to the left and all 27" props are dead now ;-( and a view foldable mechanism too....

The log say ATT.RollDes value -89 right before and at the start up procedures !!!!!!!!!!!!

Here is the log:
https://drive.google.com/drive/folders/0B_caV5d6iPNPV0E4MVB5Um5QQmM

And few pictures from the log and the bird are attached.
Thanks for your help, Fabian.

Any more information: Sometimes I do the ARMING with DJI Arming Stick position.

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DJI_0107.jpg3184x1791 4.26 MB

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ph2_hexa_u11_log.png1913x409 25.4 KB

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