"We need to settle your special problems by PM"

"Here is the latest APMVERSION: APM:Copter V3.4-devhttp://firmware.diydrones.com/Copter/2016-03/2016-03-22-07:03/PX4-q...Note :  this is the "dev"  branch"

"Your decision  obviously is based on your assumption that the  Pixmini.being   unreliable/buggy caused the bad AHRS. It's the other way around.. The bad AHRS  is a feature of APM 3.3x which not as reliable yet as 3.2x  is. So actually you needed …"

"Why not  if for you being  stuck with the dead end APM3.2 for ever is not an issue "at all" !"

"Sorry you need to forget my post above.

Here are the facts :
1) with above  Chinese px4 clones Mission Planer will always issue  a failed authenticity check while trying to flash other APM firmware versions

2)to avoid/bypass this check in Mission…"

" Hi,

I have the same problems with a Pixmimi clone I recently bought from Ebay
http://www.ebay.ch/itm/Mini-Pixhawk-Flight-Control-32bit-ARM-Cortex....

The board comes loaded with APM 3.3.1 RC1  and when trying to flash the board with some other…"

"The heading feed starting only after having  a 3D sat. fix is   by design in MavLink_FrSkySPort-s-c-l-v-rc-opentx2.1
This is done in FrSkySPortTelemetry.ino line 390 with   " if(ap_fixtype>=3)".
To get around this limitation  you need only to add …"