hello ! :)
I am user of meizu mx5, also, I am from Poland. Problem is that I dont have HSPA(3g) and LTE in my meizu mx5. I know why - because Flyme OS is with letter C.
The number of this software is 18.104.22.168C . Can I install in mx5 22.214.171.124A ? I know, that this software has polish language and no problem with 3g and LTE bands. :)
best wishes for all !:)