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Is this site still the best way to learn an MBP's manufacturing date? Any reason not to plug one's serial number into this site? Thanks.
 
The chipmunk.nl site is a creditable site. There isn't any harm in putting your serial number into it.
 
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There's also coconutBattery as an option, a small utility app that provides basic information about a Mac regardless of whether it's got a battery installed or not. The actual date is provided by coconutBattery, compared to the week-of-manufacture by the chipmunk.nl portal; I've compared the coconutBattery-provided manufacture date to the date provided by Apple during Genius Bar visits with no reason to question either as they generally match.

So, this 9-year-old thread comes back to coconut utility apps… :D
 
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Apple serial numbers are only able to be decoded down to a week within a year. coconutBattery and an Apple Store/GSX don't have anything fancy or special to deduce when within that week the device was made.
 
There's also coconutBattery as an option, a small utility app that provides basic information about a Mac regardless of whether it's got a battery installed or not. The actual date is provided by coconutBattery, compared to the week-of-manufacture by the chipmunk.nl portal; I've compared the coconutBattery-provided manufacture date to the date provided by Apple during Genius Bar visits with no reason to question either as they generally match.

So, this 9-year-old thread comes back to coconut utility apps… :D

Thanks for mentioning this. Just downloaded the above and it's a very cool little app:

http://www.coconut-flavour.com/coconutid/

I was happy to learn that both my new MBP with Touch Bar (bought at Best Buy) and new AirPods (bought at AT&T) were built this month.
 
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