0 APM 2.60 Downgrade Posted by Joe on September 4, 2012 at 6:31am Does anyone know how to downgrade from APM 2.60 back to APM 2.50 using the mission planner?I have tried using arduino to reload the 2.5 like the old days but receiving multiple compile errors. You need to be a member of diydrones to add comments! Join diydrones Email me when people reply – Follow
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the guides are here
http://code.google.com/p/ardupilot-mega/wiki/Programming
also make sure you are using arduino 1.0.1