In Finland Panasonic G400 has 3 different software versions. You can check
the software version under
the battery from a tiny label/sticker were is printed FI (=Finland) and
then mark the softaware version with
blue marker. one or two dots or one line...
. is for software number 1 ( one dot )
. . is for software number 2 and ( two dots )
_ is for softaware number 3.