Try updateing little by version 2.60
then 2.63 and 2.80 if you don`t like it....
you can always flash the main mcu file over any version of the main software is it 2.42, 2.60, 2.63 or 2.80..
I just had a problem that i flashed with the main mcu version of 59xxx camera version beacuse it is...