The easiest way is with the flashing tool from HobbyKing that clips directly on top of the Atmel chip.
I have started a thread to warn people of the fake skywalkers, I'm going to call them…"
"Hey there Rob,
Thanks for putting this out there as I'd like any info I can find.
I'm still waiting to hear back from Hobbywing.
If you hear anything here can you cross post it to RCG please?