Hi jcn You dont instal new firmware only see whichis version. of DSP and MCU and time.   Main CPU processor version: 3.10 and Secondary CPU processor version: 0.31 has diferent type of software and this software call DSP and MCU.Every DSP and MCU has time of version bilding.     That mean that you have diferent procesor  because you have newer device but this procesor must work with firmweare of 2014 7 mounth.I have been  problem with DC bus 02  wrong. I cant