modifying c3g+ system software

[terminator]

hi guys

I heve two kind of robots : smart M1 offset and smart M1 inline

both of them have same controller :C3g plus

in line robot has v5.08 software with english language
off set robot has v5.21 software with german language

according to this ,

can I modify these software like :
v5.21 with english for inline and offset

as far as I understand, there are files for robot configuration and language
and rest of the files are same in both versions.

is it possible to modify ?

another qoestion :
what is the latest software version for c3g plus controller?
if someone has the latest version , is it possible to send me?