a) the lack of detail in your post means there's no way at all anyone can answer your question
b) there's a Software Updates thread in the main MG4 board for such questions - this thread has no relevance to this sub-board (though I can see why Upgrades in the title might have thrown you).
Your dealer may not understand the effect of a specific update but they will certainly know which modules were updated together with the relevant before/after software version numbers. If you can get this information, the thread mentioned above may help.
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