Here is the results of my test.
========== 2014.01.01 00:00:04 remo-con disconnect======
Packet: WM610_FW_V01.03.00.00.bin
Upgrading ...
Result: Success.
========== 2014.01.01 00:00:04 remo-con disconnect======
Packet: WM610_FW_V01.02.01.03.bin
Result: Corrupted. What are you doing OC.
Firmware bin file is corrupted, download it again from the DJI offical website, not a porn site.
========== 2014.01.01 00:00:04 remo-con disconnect======
Packet: WM610_FW_V01.02.01.03.bin
Result: Corrupted. I say again Don't Do That OC.
Firmware bin file is corrupted, download it again from the DJI offical website, not from Taylor Swift's site.
========== 2014.01.01 00:00:04 remo-con disconnect======
Packet: WM610_FW_V01.03.00.00.bin
Upgrading ...
Result: Success. You are again a BadAss!