build.prop LG G5 UI?

okay so with the Galaxy S3 when we edited the build.prop to say that we had the Galaxy S5 we ended up with the updated UI from the S5....so i was wondering if when/if we get the Marshmallow update (or in this lollipop one) if you do the same but simply make the phone think it's the LG G5 will we get the updated UI?

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