Can we update firmware version fx30 to 16.10.3 or 16.10.4?

Currently, I am researching FX30 with firmware version16.10.1 ( window environment support), i build my app by legato framework (developer studio) and it just only support for R14 legato packages( firmware version16.10.3) and R15( firmware version16.10.4). So I want to update firmware version fx30 to 16.10.3 or 16.10.4 but I don’t know how to do it ? Please support me if you have any document or experience about it !