You've never heard of premium generator download hosts? Like[Only registered and activated users can see links. ]?

This version is not for the phone, but yours for the device. You probably have some custom ux file in your package.
You can keep your entire original folder - ux files, data.zip, sys ... and just install the newer apk.
You can also combine from some other packages. You can install any other apk - Pal for example.

As I said - READ. A lot more.