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A2116 / 2019 / 3.6 GHz quad-core i3, 3.0 GHz 6-core i5, or 3.2 GHz 6-core i7 processor. Released March 19, 2019.

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File Request: BIOS dump needed

Hello. I'm having some difficulty locating this one, so I thought I'd try asking here. Looking for a clean BIOS dump for a 2019 iMac 21.5" A2116 EMC 3195. Board number is 820-01237-A.

The one I am working on has a corrupt BIOS and I need a clean dump that I can flash to fix my problem. Found a couple of websites that require subscriptions to download the files, but I don't know if those are scams or not. I was hoping somebody out there might have a clean dump I could use to fix my board. I can provide a copy of my corrupt dump if needed.

Thanks.

Answer this question I have this problem too

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I would ask Apple for the files.

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@techwizards I know, I tend to be a jokester sometimes. 😏

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@techwizards yes, you are at the mercy of those sites. Some are pretty reliable and others are not. It's a crapshoot. See if this will help you out. Just remember no guarantees and it will disappear from here pretty quick too. That is not the business we want to get into.

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Thank you oldturkey03!

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Out of curiosity, what are the symptoms of a corrupt BIOS on an iMac 4K 2019?

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@macfan66 it's actually the EFI Firmware. Remember what it is doing. It's the Basic Input Output System :-) So, all the basic functions that make up the computer will be affected. Your boot managers and boot loaders are all part of this. As in what it directly involves, depends on the corruption itself. From Black screen to Boot loop to hardware and software incompatibilities are all part of this.

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