The version numbers and serial on the back look perfectly normal.
You should be able to upgrade the calculator up to version 3.9.
But you'll need to upgrade it first to a version between 1.4 and 2.0, which is going to upgrade you 1.1 Boot2 to version 1.4.
Indeed, Boot2 1.4 will be needed to run properly the biggest OSes like 2.1 and higher.