MMI update, why does it take such a long, long time?

muffindell

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Audi have told me my MMI can have a free firmware update to version 917 (it's not been done since new and I think its on version 130 or something); they also tell me that it will take around 3 hours, this seem very slow, what the heck are they doing, or is the data transfer just snail slow?
 
Variables, online, offline, varied updates maybe required in order, restarts etc, its probably a standard time they advise, they will have a timed units allocated by audi for each update, if its incremental at all then of course it'll take longer, few other things may also slow it down, its free & dealer installed, couldn't be more peace of mind........
 
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