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Macbook Pro firmware
#57440 12/25/20 07:58 AM
Joined: Aug 2009
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tacit Offline OP
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Okay, here's a head-scratcher and no mistake.

I have a 15" 2016 Macbook Pro (a Macbook Pro 13,3). A long time ago, I ran a firmware update on this Mac. All well and good. The Mac came with Firmware version 428.0.0.0.0 and the current version from Apple is 429.60.3.0.0.

The Mac went in last year for warranty service, and they replaced the logic board. The logic board they put in is back to Firmware 428.0.0.0.0, the old version.

But here's the thing: I can't update to the new version! App Store doesn't see it as an update. It can't be installed, I suspect because somehow the update logs or something "remember" that I've already run the update. And without the firmware update, I can't upgrade past macOS High Sierra (the 429.60.3.0.0 firmware is required for any operating systems beyond High Sierra).

It's a real pickle. I can't find a standalone firmware updater anywhere, not even on my Apple Developer account. Any ideas?


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Re: Macbook Pro firmware
tacit #57441 12/25/20 10:25 AM
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The first thing I"d try is searching /Library/Receipts/InstallHistory.plist for the applicable one - if, in fact, there is one - and deleting it to see if it triggers the App Store.

Failing that, Apple owes you.

They didn't do a complete job of replacing the logic board and owe you either a new board or, at the least, the update.

How far away is the Apple Store?

Last edited by artie505; 12/25/20 11:45 AM. Reason: Add path

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Re: Macbook Pro firmware
tacit #57443 12/25/20 06:11 PM
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I had a similar thing occur with a previous iMac. The solution is to return to the Apple Store. When it happened to me and I returned the person said something like "Oops, Service forgot to finalize the installation." They were able to do it on the spot, using secret software, of course, and all was good.


On a Mac since 1984.
Currently: 27" iMacs, Macbook Air, macOS 10.15.x,; iPhones, iPods and iPads galore!
Re: Macbook Pro firmware
artie505 #57467 12/28/20 06:46 AM
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tacit Offline OP
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That's an excellent idea. Alas, the nearest Apple store is about 45 minutes away.


Photo gallery, all about me, and more: www.xeromag.com/franklin.html
Re: Macbook Pro firmware
tacit #57470 12/28/20 03:48 PM
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Aw, that's nuttin'....for me it's nearly three hours away! (Probably the same store.....)


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